STOCK TITAN
  1. Home
  2. Sec-filings
  3. CM
  4. [6-K] Canadian Imperial Bank of Commerce Current Report (Foreign Issuer)

[6-K] Canadian Imperial Bank of Commerce Current Report (Foreign Issuer)

Filing Impact
(Low)
Filing Sentiment
(Neutral)
Form Type
6-K
Rhea-AI Filing Summary

Canadian Imperial Bank of Commerce (CM) reported selected interim disclosures showing interest income of $11.0 billion for the quarter ended July 31, 2025 (prior quarter $10.7 billion; year-ago quarter $12.4 billion) and $33.3 billion for the nine months ended July 31, 2025 (year-ago nine months $36.3 billion), measured using the effective interest rate method. The filing notes investment gains of $10 million in the quarter and $27 million for the nine months related to equity-accounted associates and joint ventures. It discloses $550 million of restricted cash, customers' acceptances liabilities of $8 million, and that prior period amounts were revised to conform to Q1 2025 presentation. No sales of securities measured at amortized cost occurred during the quarter. Portions of the MD&A and interim consolidated financial statements are incorporated by reference into specified Form S-8 and Form F-3 registration statements.

Canadian Imperial Bank of Commerce (CM) ha comunicato alcune informazioni interinali selezionate: il reddito da interessi è stato di $11,0 miliardi per il trimestre terminato il 31 luglio 2025 (trimestre precedente $10,7 miliardi; stesso trimestre dell'anno precedente $12,4 miliardi) e di $33,3 miliardi per i nove mesi chiusi il 31 luglio 2025 (nove mesi dell'anno precedente $36,3 miliardi), misurati con il metodo del tasso di interesse effettivo. Il documento segnala utili da investimenti di $10 milioni nel trimestre e di $27 milioni nei nove mesi riferiti a partecipazioni contabilizzate con il metodo del patrimonio netto e joint venture. Vengono inoltre indicati $550 milioni di cassa vincolata, $8 milioni di passività per accettazioni della clientela e la rettifica degli importi dei periodi precedenti per allinearli alla presentazione del primo trimestre 2025. Non sono state vendute attività obbligazionarie valutate al costo ammortizzato durante il trimestre. Parti della MD&A e dei bilanci consolidati interinali sono incorporate tramite rinvio in specifiche dichiarazioni di registrazione Form S-8 e Form F-3.

Canadian Imperial Bank of Commerce (CM) presentó divulgaciones interinas seleccionadas que muestran ingresos por intereses de $11.0 mil millones para el trimestre finalizado el 31 de julio de 2025 (trimestre anterior $10.7 mil millones; mismo trimestre del año anterior $12.4 mil millones) y de $33.3 mil millones para los nueve meses terminados el 31 de julio de 2025 (nueve meses del año anterior $36.3 mil millones), medidos con el método de la tasa de interés efectiva. El informe indica ganancias por inversiones de $10 millones en el trimestre y $27 millones en los nueve meses relacionadas con asociadas y empresas conjuntas contabilizadas por el método de la participación. Declara $550 millones en efectivo restringido, pasivos por aceptaciones de clientes de $8 millones, y que las cifras de periodos anteriores fueron revisadas para ajustarse a la presentación del T1 2025. No se registraron ventas de valores medidos al costo amortizado durante el trimestre. Partes del MD&A y de los estados financieros consolidados interinos se incorporan por referencia en determinadas declaraciones de registro Form S-8 y Form F-3.

Canadian Imperial Bank of Commerce (CM)는 선택된 중간 공시를 통해 2025년 7월 31일 종료 분기 이자수익이 $110억(직전 분기 $107억; 전년 동기 $124억)이며, 2025년 7월 31일 종료 9개월 누계 이자수익은 $333억(전년 동기 9개월 $363억)이라고 보고했습니다. 모두 유효이자율법으로 측정했습니다. 제출 서류는 분기 중 지분법 적용 관계회사 및 공동투자에서 발생한 투자이익이 $1000만, 9개월 누계로 $2700만이라고 명시합니다. 제한현금 $5.5억, 고객어음 채무 $800만을 공시했으며, 이전 기간 수치는 2025년 1분기 보고 양식에 맞춰 조정되었다고 밝혔습니다. 해당 분기에 원가상각후금융자산의 매각은 없었습니다. MD&A와 중간 연결재무제표의 일부는 지정된 Form S-8 및 Form F-3 등록명세서에 참고로 포함됩니다.

Canadian Imperial Bank of Commerce (CM) a publié des informations intermédiaires sélectionnées indiquant un produit d'intérêts de 11,0 milliards $ pour le trimestre clos le 31 juillet 2025 (trimestre précédent 10,7 milliards $ ; même trimestre de l'année précédente 12,4 milliards $) et de 33,3 milliards $ pour les neuf mois clos le 31 juillet 2025 (neuf mois de l'année précédente 36,3 milliards $), mesurés selon la méthode du taux d'intérêt effectif. le dépôt signale des gains sur investissements de 10 millions $ au trimestre et de 27 millions $ sur neuf mois liés aux entreprises associées et coentreprises comptabilisées selon la mise en équivalence. Il divulgue 550 millions $ de trésorerie restreinte, des passifs d'acceptations clients de 8 millions $, et indique que les montants des périodes antérieures ont été révisés pour se conformer à la présentation du T1 2025. Aucune cession de titres évalués au coût amorti n'a eu lieu pendant le trimestre. Des portions de la MD&A et des états financiers consolidés intermédiaires sont incorporées par renvoi dans certaines déclarations d'enregistrement Form S-8 et Form F-3.

Canadian Imperial Bank of Commerce (CM) meldete ausgewählte Zwischenangaben: Zinserträge in Höhe von $11,0 Milliarden für das Quartal zum 31. Juli 2025 (Vorquartal $10,7 Milliarden; Vorjahresquartal $12,4 Milliarden) und $33,3 Milliarden für die neun Monate zum 31. Juli 2025 (Vorjahresneunmonate $36,3 Milliarden), gemessen nach der Effektivzinsmethode. Die Einreichung verzeichnet Anlagegewinne von $10 Millionen im Quartal und $27 Millionen für die neun Monate im Zusammenhang mit at-equity bilanzierten assoziierten Unternehmen und Joint Ventures. Ausgewiesen werden zudem $550 Millionen an eingeschränkten Zahlungsmitteln, Verbindlichkeiten aus Kundenakzepten von $8 Millionen, und dass Vorjahresangaben zur Anpassung an die Darstellung des Q1 2025 überarbeitet wurden. Während des Quartals gab es keine Verkäufe von zum fortgeführten Anschaffungskosten bewerteten Wertpapieren. Teile des MD&A und der interimistischen konsolidierten Abschlüsse sind durch Verweis in bestimmte Registrierungsunterlagen Form S-8 und Form F-3 einbezogen.

Positive
  • Detailed interest income disclosure showing quarter and nine-month figures for transparency
  • Specific disclosure of restricted cash ($550 million) and customers' acceptances ($8 million) improves balance-sheet clarity
  • Confirmation of no sales of securities measured at amortized cost during the quarter removes ambiguity on realized gains from that category
Negative
  • Year-over-year decline in interest income from $12.4 billion to $11.0 billion in the quarter
  • Reduced investment gains versus the prior-year nine months (down from $68 million to $27 million)
  • Prior period revisions for presentation changes may complicate trend analysis

Insights

TL;DR: Interest income and investment gains declined year-over-year; presentation revisions and restricted cash noted.

The excerpt provides specific income and gain figures but no comprehensive profitability, expense, or balance-sheet detail beyond restricted cash and acceptances. Quarterly interest income of $11.0 billion is below the prior-year quarter ($12.4 billion) and rose slightly versus the prior quarter. Equity-accounted investment gains for the quarter and nine months are modest at $10 million and $27 million respectively, down from year-ago comparatives. The disclosure that prior periods were revised for a Q1 2025 presentation change is important for comparability. The filing also confirms no sales of amortized-cost securities in the quarter, which affects realized gain/loss activity.

TL;DR: The report focuses on accounting presentation and specific line-item disclosures, not on governance events.

The content is primarily disclosure-level detail incorporated by reference into registration statements. Notable governance-relevant items include the restatement/revision of prior periods to conform to a new presentation adopted in Q1 2025, which stakeholders should note for historical consistency. The incorporation-by-reference language indicates these MD&A and interim statements form part of multiple S-8 and F-3 filings, ensuring the disclosures are available to investors in related registration contexts.

Canadian Imperial Bank of Commerce (CM) ha comunicato alcune informazioni interinali selezionate: il reddito da interessi è stato di $11,0 miliardi per il trimestre terminato il 31 luglio 2025 (trimestre precedente $10,7 miliardi; stesso trimestre dell'anno precedente $12,4 miliardi) e di $33,3 miliardi per i nove mesi chiusi il 31 luglio 2025 (nove mesi dell'anno precedente $36,3 miliardi), misurati con il metodo del tasso di interesse effettivo. Il documento segnala utili da investimenti di $10 milioni nel trimestre e di $27 milioni nei nove mesi riferiti a partecipazioni contabilizzate con il metodo del patrimonio netto e joint venture. Vengono inoltre indicati $550 milioni di cassa vincolata, $8 milioni di passività per accettazioni della clientela e la rettifica degli importi dei periodi precedenti per allinearli alla presentazione del primo trimestre 2025. Non sono state vendute attività obbligazionarie valutate al costo ammortizzato durante il trimestre. Parti della MD&A e dei bilanci consolidati interinali sono incorporate tramite rinvio in specifiche dichiarazioni di registrazione Form S-8 e Form F-3.

Canadian Imperial Bank of Commerce (CM) presentó divulgaciones interinas seleccionadas que muestran ingresos por intereses de $11.0 mil millones para el trimestre finalizado el 31 de julio de 2025 (trimestre anterior $10.7 mil millones; mismo trimestre del año anterior $12.4 mil millones) y de $33.3 mil millones para los nueve meses terminados el 31 de julio de 2025 (nueve meses del año anterior $36.3 mil millones), medidos con el método de la tasa de interés efectiva. El informe indica ganancias por inversiones de $10 millones en el trimestre y $27 millones en los nueve meses relacionadas con asociadas y empresas conjuntas contabilizadas por el método de la participación. Declara $550 millones en efectivo restringido, pasivos por aceptaciones de clientes de $8 millones, y que las cifras de periodos anteriores fueron revisadas para ajustarse a la presentación del T1 2025. No se registraron ventas de valores medidos al costo amortizado durante el trimestre. Partes del MD&A y de los estados financieros consolidados interinos se incorporan por referencia en determinadas declaraciones de registro Form S-8 y Form F-3.

Canadian Imperial Bank of Commerce (CM)는 선택된 중간 공시를 통해 2025년 7월 31일 종료 분기 이자수익이 $110억(직전 분기 $107억; 전년 동기 $124억)이며, 2025년 7월 31일 종료 9개월 누계 이자수익은 $333억(전년 동기 9개월 $363억)이라고 보고했습니다. 모두 유효이자율법으로 측정했습니다. 제출 서류는 분기 중 지분법 적용 관계회사 및 공동투자에서 발생한 투자이익이 $1000만, 9개월 누계로 $2700만이라고 명시합니다. 제한현금 $5.5억, 고객어음 채무 $800만을 공시했으며, 이전 기간 수치는 2025년 1분기 보고 양식에 맞춰 조정되었다고 밝혔습니다. 해당 분기에 원가상각후금융자산의 매각은 없었습니다. MD&A와 중간 연결재무제표의 일부는 지정된 Form S-8 및 Form F-3 등록명세서에 참고로 포함됩니다.

Canadian Imperial Bank of Commerce (CM) a publié des informations intermédiaires sélectionnées indiquant un produit d'intérêts de 11,0 milliards $ pour le trimestre clos le 31 juillet 2025 (trimestre précédent 10,7 milliards $ ; même trimestre de l'année précédente 12,4 milliards $) et de 33,3 milliards $ pour les neuf mois clos le 31 juillet 2025 (neuf mois de l'année précédente 36,3 milliards $), mesurés selon la méthode du taux d'intérêt effectif. le dépôt signale des gains sur investissements de 10 millions $ au trimestre et de 27 millions $ sur neuf mois liés aux entreprises associées et coentreprises comptabilisées selon la mise en équivalence. Il divulgue 550 millions $ de trésorerie restreinte, des passifs d'acceptations clients de 8 millions $, et indique que les montants des périodes antérieures ont été révisés pour se conformer à la présentation du T1 2025. Aucune cession de titres évalués au coût amorti n'a eu lieu pendant le trimestre. Des portions de la MD&A et des états financiers consolidés intermédiaires sont incorporées par renvoi dans certaines déclarations d'enregistrement Form S-8 et Form F-3.

Canadian Imperial Bank of Commerce (CM) meldete ausgewählte Zwischenangaben: Zinserträge in Höhe von $11,0 Milliarden für das Quartal zum 31. Juli 2025 (Vorquartal $10,7 Milliarden; Vorjahresquartal $12,4 Milliarden) und $33,3 Milliarden für die neun Monate zum 31. Juli 2025 (Vorjahresneunmonate $36,3 Milliarden), gemessen nach der Effektivzinsmethode. Die Einreichung verzeichnet Anlagegewinne von $10 Millionen im Quartal und $27 Millionen für die neun Monate im Zusammenhang mit at-equity bilanzierten assoziierten Unternehmen und Joint Ventures. Ausgewiesen werden zudem $550 Millionen an eingeschränkten Zahlungsmitteln, Verbindlichkeiten aus Kundenakzepten von $8 Millionen, und dass Vorjahresangaben zur Anpassung an die Darstellung des Q1 2025 überarbeitet wurden. Während des Quartals gab es keine Verkäufe von zum fortgeführten Anschaffungskosten bewerteten Wertpapieren. Teile des MD&A und der interimistischen konsolidierten Abschlüsse sind durch Verweis in bestimmte Registrierungsunterlagen Form S-8 und Form F-3 einbezogen.

false2025-07-31Q30001045520--10-31Interest income included $11.0 billion for the quarter ended July 31, 2025 (April 30, 2025: $10.7 billion; July 31, 2024: $12.4 billion) and $33.3 billion for the nine months ended July 31, 2025 (July 31, 2024: $36.3 billion), calculated based on the effective interest rate method.Includes the portion of the estimated tax benefit related to employee stock options that is incremental to the amount recognized in the interim consolidated statement of income.Includes $10 million of gains for the quarter ended July 31, 2025 (April 30, 2025: $20 million of gains; July 31, 2024: $14 million of gains), and $27 million of gains for the nine months ended July 31, 2025 (July 31, 2024: $68 million of gains), relating to our investments in equity-accounted associates and joint ventures.Includes customers’ liability under acceptances of $8 million (October 31, 2024: $6 million) in business and government loans and acceptances of $8 million (October 31, 2024: $6 million) in other liabilities. Prior period amounts have been revised to conform to the presentation adopted in the first quarter of 2025.Comprises amortization and impairment of buildings, right-of-use assets, furniture, equipment, leasehold improvements, and software and other intangible assets.Includes restricted cash of $550 million (July 31, 2024: $465 million) and interest-bearing demand deposits with Bank of Canada.There were no sales of securities measured at amortized cost during the quarter (October 31, 2024: a realized gain of nil). 0001045520 2024-10-31 0001045520 2025-07-31 0001045520 2024-05-01 2024-07-31 0001045520 2024-11-01 2025-07-31 0001045520 2023-11-01 2024-07-31 0001045520 2025-05-01 2025-07-31 0001045520 2025-02-01 2025-04-30 0001045520 2024-07-31 0001045520 2025-04-30 0001045520 2023-11-01 2024-10-31 0001045520 2025-01-31 0001045520 2023-11-01 0001045520 2024-04-30 0001045520 2023-10-31 0001045520 cm:JulyTwentyOneTwoThousandAndTwentyFiveMember 2025-07-21 0001045520 cm:JulyTwentyOneTwoThousandAndTwentyFiveMember 2025-07-21 2025-07-21 0001045520 cm:SevenPercentLimitedRecourseCapitalNotesSeriesSevenNotesMember cm:OctoberTwentyEightTwoThousandAndEightyFiveMember ifrs-full:FixedInterestRateMember 2025-07-14 0001045520 ifrs-full:OrdinarySharesMember cm:NormalCourseIssuerBidMember cm:XtseMember 2024-09-06 2025-07-31 0001045520 cm:OtherPostEmploymentBenefitPlansMember 2024-05-01 2024-07-31 0001045520 cm:PensionPlanMember 2024-05-01 2024-07-31 0001045520 cm:DefinedContributionPensionPlansMember 2024-05-01 2024-07-31 0001045520 cm:GovernmentPensionPlansMember 2024-05-01 2024-07-31 0001045520 cm:CanadianCommercialBankingAndWealthManagementMember 2024-05-01 2024-07-31 0001045520 cm:CapitalMarketsMember 2024-05-01 2024-07-31 0001045520 cm:CorporateAndOtherMember 2024-05-01 2024-07-31 0001045520 cm:CanadianPersonalAndBusinessBankingMember 2024-05-01 2024-07-31 0001045520 cm:USCommercialBankingAndWealthManagementMember 2024-05-01 2024-07-31 0001045520 cm:CreditCardReceivables1Member 2024-05-01 2024-07-31 0001045520 cm:StageTwoMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-05-01 2024-07-31 0001045520 cm:StageOneMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-05-01 2024-07-31 0001045520 cm:StageOneMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-05-01 2024-07-31 0001045520 cm:StageThreeMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-05-01 2024-07-31 0001045520 cm:StageTwoMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-05-01 2024-07-31 0001045520 cm:StageTwoMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-05-01 2024-07-31 0001045520 ifrs-full:MortgagesMember 2024-05-01 2024-07-31 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-05-01 2024-07-31 0001045520 cm:StageOneMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-05-01 2024-07-31 0001045520 cm:LoansToBusinessAndGovernmentMember 2024-05-01 2024-07-31 0001045520 cm:StageThreeMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-05-01 2024-07-31 0001045520 ifrs-full:ConsumerLoansMember 2024-05-01 2024-07-31 0001045520 cm:StageThreeMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-05-01 2024-07-31 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-05-01 2024-07-31 0001045520 cm:StageThreeMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-05-01 2024-07-31 0001045520 ifrs-full:OrdinarySharesMember 2024-05-01 2024-07-31 0001045520 cm:DebtSecuritiesMeasuredAtFairValueThroughOtherComprehensiveIncomeMember 2024-05-01 2024-07-31 0001045520 cm:OtherMember 2024-05-01 2024-07-31 0001045520 cm:AmortisedCostMember 2024-05-01 2024-07-31 0001045520 ifrs-full:RetainedEarningsMember 2024-05-01 2024-07-31 0001045520 ifrs-full:NoncontrollingInterestsMember 2024-05-01 2024-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember cm:ReserveOfEquitySecuritiesDesignatedAtFairValueOfOtherComprehensiveIncomeMember 2024-05-01 2024-07-31 0001045520 ifrs-full:CreditRiskMember 2024-05-01 2024-07-31 0001045520 cm:AverageRiskMember ifrs-full:CreditRiskMember 2024-05-01 2024-07-31 0001045520 ifrs-full:InterestRateRiskMember 2024-05-01 2024-07-31 0001045520 cm:AverageRiskMember ifrs-full:InterestRateRiskMember 2024-05-01 2024-07-31 0001045520 ifrs-full:RiskDiversificationEffectMember 2024-05-01 2024-07-31 0001045520 cm:AverageRiskMember ifrs-full:RiskDiversificationEffectMember 2024-05-01 2024-07-31 0001045520 ifrs-full:CommodityPriceRiskMember 2024-05-01 2024-07-31 0001045520 cm:AverageRiskMember ifrs-full:CommodityPriceRiskMember 2024-05-01 2024-07-31 0001045520 cm:AverageRiskMember 2024-05-01 2024-07-31 0001045520 ifrs-full:CurrencyRiskMember 2024-05-01 2024-07-31 0001045520 cm:AverageRiskMember ifrs-full:CurrencyRiskMember 2024-05-01 2024-07-31 0001045520 ifrs-full:EquityPriceRiskMember 2024-05-01 2024-07-31 0001045520 cm:AverageRiskMember ifrs-full:EquityPriceRiskMember 2024-05-01 2024-07-31 0001045520 ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember ifrs-full:AccumulatedOtherComprehensiveIncomeMember 2024-05-01 2024-07-31 0001045520 cm:StageThreeMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-05-01 2024-07-31 0001045520 ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember 2024-05-01 2024-07-31 0001045520 cm:StageOneMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember cm:FinancialInstrumentsPerformingMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-05-01 2024-07-31 0001045520 cm:StageTwoMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember cm:FinancialInstrumentsPerformingMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-05-01 2024-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember 2024-05-01 2024-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfCashFlowHedgesMember 2024-05-01 2024-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfRemeasurementsOfDefinedBenefitPlansMember 2024-05-01 2024-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiabilityMember 2024-05-01 2024-07-31 0001045520 ifrs-full:PreferenceSharesMember ifrs-full:RetainedEarningsMember 2024-05-01 2024-07-31 0001045520 ifrs-full:OrdinarySharesMember ifrs-full:RetainedEarningsMember 2024-05-01 2024-07-31 0001045520 ifrs-full:PreferenceSharesMember 2024-05-01 2024-07-31 0001045520 ifrs-full:AdditionalPaidinCapitalMember 2024-05-01 2024-07-31 0001045520 ifrs-full:Level3OfFairValueHierarchyMember 2024-05-01 2024-07-31 0001045520 cm:DerivativeAssetsMember cm:CreditDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-05-01 2024-07-31 0001045520 cm:EquitySecuritiesMandatorilyMeasuredAtFVTPLDesignatedAtFVOCIMember cm:CorporateEquityMember ifrs-full:Level3OfFairValueHierarchyMember 2024-05-01 2024-07-31 0001045520 cm:DerivativeAssetsMember cm:EquityDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-05-01 2024-07-31 0001045520 cm:DerivativeAssetsMember cm:InterestRateDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-05-01 2024-07-31 0001045520 cm:LoansMeasuredAtFVTPLMember cm:BusinessAndGovernmentMember ifrs-full:Level3OfFairValueHierarchyMember 2024-05-01 2024-07-31 0001045520 cm:DebtSecuritiesMeasuredAtFVTPLMember cm:MortgageAndAssetBackedMember ifrs-full:Level3OfFairValueHierarchyMember 2024-05-01 2024-07-31 0001045520 cm:DepositsAndOtherLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-05-01 2024-07-31 0001045520 cm:InterestRateDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-05-01 2024-07-31 0001045520 cm:ForeignExchangeDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-05-01 2024-07-31 0001045520 cm:EquityDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-05-01 2024-07-31 0001045520 cm:OtherPostEmploymentBenefitPlansMember 2025-05-01 2025-07-31 0001045520 cm:PensionPlanMember 2025-05-01 2025-07-31 0001045520 cm:GovernmentPensionPlansMember 2025-05-01 2025-07-31 0001045520 cm:DefinedContributionPensionPlansMember 2025-05-01 2025-07-31 0001045520 cm:USCommercialBankingAndWealthManagementMember 2025-05-01 2025-07-31 0001045520 cm:CorporateAndOtherMember 2025-05-01 2025-07-31 0001045520 cm:CanadianCommercialBankingAndWealthManagementMember 2025-05-01 2025-07-31 0001045520 cm:CapitalMarketsMember 2025-05-01 2025-07-31 0001045520 cm:CanadianPersonalAndBusinessBankingMember 2025-05-01 2025-07-31 0001045520 ifrs-full:LaterThanOneYearMember cm:AverageValueMember cm:DownSideCaseScenarioMember 2025-05-01 2025-07-31 0001045520 ifrs-full:NotLaterThanOneYearMember cm:AverageValueMember cm:BaseCaseScenarioMember 2025-05-01 2025-07-31 0001045520 ifrs-full:LaterThanOneYearMember cm:AverageValueMember cm:BaseCaseScenarioMember 2025-05-01 2025-07-31 0001045520 ifrs-full:NotLaterThanOneYearMember cm:AverageValueMember cm:UpsideCaseScenarioMember 2025-05-01 2025-07-31 0001045520 ifrs-full:LaterThanOneYearMember cm:AverageValueMember cm:UpsideCaseScenarioMember 2025-05-01 2025-07-31 0001045520 ifrs-full:NotLaterThanOneYearMember cm:AverageValueMember cm:DownSideCaseScenarioMember 2025-05-01 2025-07-31 0001045520 cm:StageTwoMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-05-01 2025-07-31 0001045520 ifrs-full:MortgagesMember 2025-05-01 2025-07-31 0001045520 cm:StageTwoMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-05-01 2025-07-31 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-05-01 2025-07-31 0001045520 cm:StageThreeMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-05-01 2025-07-31 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-05-01 2025-07-31 0001045520 cm:StageOneMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-05-01 2025-07-31 0001045520 ifrs-full:ConsumerLoansMember 2025-05-01 2025-07-31 0001045520 cm:StageThreeMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-05-01 2025-07-31 0001045520 cm:LoansToBusinessAndGovernmentMember 2025-05-01 2025-07-31 0001045520 cm:StageTwoMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-05-01 2025-07-31 0001045520 cm:StageThreeMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-05-01 2025-07-31 0001045520 cm:StageOneMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-05-01 2025-07-31 0001045520 cm:StageOneMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-05-01 2025-07-31 0001045520 cm:StageThreeMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-05-01 2025-07-31 0001045520 cm:CreditCardReceivables1Member 2025-05-01 2025-07-31 0001045520 ifrs-full:OrdinarySharesMember 2025-05-01 2025-07-31 0001045520 cm:OtherMember 2025-05-01 2025-07-31 0001045520 cm:AmortisedCostMember 2025-05-01 2025-07-31 0001045520 cm:DebtSecuritiesMeasuredAtFairValueThroughOtherComprehensiveIncomeMember 2025-05-01 2025-07-31 0001045520 ifrs-full:RetainedEarningsMember 2025-05-01 2025-07-31 0001045520 ifrs-full:NoncontrollingInterestsMember 2025-05-01 2025-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember cm:ReserveOfEquitySecuritiesDesignatedAtFairValueOfOtherComprehensiveIncomeMember 2025-05-01 2025-07-31 0001045520 cm:HighMember ifrs-full:EquityPriceRiskMember 2025-05-01 2025-07-31 0001045520 cm:LowMember ifrs-full:EquityPriceRiskMember 2025-05-01 2025-07-31 0001045520 cm:LowMember 2025-05-01 2025-07-31 0001045520 cm:AverageRiskMember 2025-05-01 2025-07-31 0001045520 ifrs-full:EquityPriceRiskMember 2025-05-01 2025-07-31 0001045520 cm:AverageRiskMember ifrs-full:EquityPriceRiskMember 2025-05-01 2025-07-31 0001045520 ifrs-full:CreditRiskMember 2025-05-01 2025-07-31 0001045520 cm:AverageRiskMember ifrs-full:CreditRiskMember 2025-05-01 2025-07-31 0001045520 cm:HighMember ifrs-full:CreditRiskMember 2025-05-01 2025-07-31 0001045520 cm:LowMember ifrs-full:CreditRiskMember 2025-05-01 2025-07-31 0001045520 cm:HighMember ifrs-full:InterestRateRiskMember 2025-05-01 2025-07-31 0001045520 cm:LowMember ifrs-full:InterestRateRiskMember 2025-05-01 2025-07-31 0001045520 ifrs-full:InterestRateRiskMember 2025-05-01 2025-07-31 0001045520 cm:AverageRiskMember ifrs-full:InterestRateRiskMember 2025-05-01 2025-07-31 0001045520 ifrs-full:RiskDiversificationEffectMember 2025-05-01 2025-07-31 0001045520 cm:AverageRiskMember ifrs-full:RiskDiversificationEffectMember 2025-05-01 2025-07-31 0001045520 cm:HighMember ifrs-full:CommodityPriceRiskMember 2025-05-01 2025-07-31 0001045520 cm:LowMember ifrs-full:CommodityPriceRiskMember 2025-05-01 2025-07-31 0001045520 ifrs-full:CommodityPriceRiskMember 2025-05-01 2025-07-31 0001045520 cm:AverageRiskMember ifrs-full:CommodityPriceRiskMember 2025-05-01 2025-07-31 0001045520 cm:HighMember 2025-05-01 2025-07-31 0001045520 ifrs-full:CurrencyRiskMember 2025-05-01 2025-07-31 0001045520 cm:AverageRiskMember ifrs-full:CurrencyRiskMember 2025-05-01 2025-07-31 0001045520 cm:HighMember ifrs-full:CurrencyRiskMember 2025-05-01 2025-07-31 0001045520 cm:LowMember ifrs-full:CurrencyRiskMember 2025-05-01 2025-07-31 0001045520 ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember ifrs-full:AccumulatedOtherComprehensiveIncomeMember 2025-05-01 2025-07-31 0001045520 cm:StageOneMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember cm:FinancialInstrumentsPerformingMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-05-01 2025-07-31 0001045520 cm:StageTwoMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember cm:FinancialInstrumentsPerformingMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-05-01 2025-07-31 0001045520 cm:StageThreeMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-05-01 2025-07-31 0001045520 ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember 2025-05-01 2025-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember 2025-05-01 2025-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfCashFlowHedgesMember 2025-05-01 2025-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfRemeasurementsOfDefinedBenefitPlansMember 2025-05-01 2025-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiabilityMember 2025-05-01 2025-07-31 0001045520 ifrs-full:OrdinarySharesMember ifrs-full:RetainedEarningsMember 2025-05-01 2025-07-31 0001045520 ifrs-full:PreferenceSharesMember ifrs-full:RetainedEarningsMember 2025-05-01 2025-07-31 0001045520 ifrs-full:PreferenceSharesMember 2025-05-01 2025-07-31 0001045520 ifrs-full:AdditionalPaidinCapitalMember 2025-05-01 2025-07-31 0001045520 cm:StageThreeMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsCreditimpairedMember 2025-05-01 2025-07-31 0001045520 cm:StageThreeMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsCreditimpairedMember 2025-05-01 2025-07-31 0001045520 ifrs-full:ConsumerLoansMember 2025-05-01 2025-07-31 0001045520 cm:StageOneMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-05-01 2025-07-31 0001045520 cm:StageOneMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-05-01 2025-07-31 0001045520 cm:StageTwoMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-05-01 2025-07-31 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-05-01 2025-07-31 0001045520 cm:CreditCardReceivables1Member 2025-05-01 2025-07-31 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-05-01 2025-07-31 0001045520 cm:LoansToBusinessAndGovernmentMember 2025-05-01 2025-07-31 0001045520 cm:StageTwoMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-05-01 2025-07-31 0001045520 ifrs-full:MortgagesMember 2025-05-01 2025-07-31 0001045520 cm:StageThreeMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsCreditimpairedMember 2025-05-01 2025-07-31 0001045520 cm:StageOneMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-05-01 2025-07-31 0001045520 cm:StageTwoMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-05-01 2025-07-31 0001045520 cm:StageOneMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-05-01 2025-07-31 0001045520 cm:StageTwoMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-05-01 2025-07-31 0001045520 cm:StageThreeMember ifrs-full:FinancialInstrumentsCreditimpairedMember 2025-05-01 2025-07-31 0001045520 ifrs-full:Level3OfFairValueHierarchyMember 2025-05-01 2025-07-31 0001045520 cm:EquitySecuritiesMandatorilyMeasuredAtFVTPLDesignatedAtFVOCIMember cm:CorporateEquityMember ifrs-full:Level3OfFairValueHierarchyMember 2025-05-01 2025-07-31 0001045520 cm:DerivativeAssetsMember cm:EquityDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-05-01 2025-07-31 0001045520 cm:DerivativeAssetsMember cm:CreditDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-05-01 2025-07-31 0001045520 cm:DerivativeAssetsMember cm:InterestRateDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-05-01 2025-07-31 0001045520 cm:LoansMeasuredAtFVTPLMember cm:BusinessAndGovernmentMember ifrs-full:Level3OfFairValueHierarchyMember 2025-05-01 2025-07-31 0001045520 cm:DebtSecuritiesMeasuredAtFVTPLMember cm:CorporateDebtMember ifrs-full:Level3OfFairValueHierarchyMember 2025-05-01 2025-07-31 0001045520 cm:DebtSecuritiesMeasuredAtFVTPLMember cm:MortgageAndAssetBackedMember ifrs-full:Level3OfFairValueHierarchyMember 2025-05-01 2025-07-31 0001045520 cm:DepositsAndOtherLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-05-01 2025-07-31 0001045520 cm:InterestRateDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-05-01 2025-07-31 0001045520 cm:EquityDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-05-01 2025-07-31 0001045520 cm:CreditDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-05-01 2025-07-31 0001045520 cm:ForeignExchangeDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-05-01 2025-07-31 0001045520 ifrs-full:FinancialAssetsAtAmortisedCostCategoryMember ifrs-full:DebtSecuritiesMember 2025-05-01 2025-07-31 0001045520 cm:SevenPercentLimitedRecourseCapitalNotesSeriesSevenNotesMember cm:OctoberTwentyEightTwoThousandAndEightyFiveMember ifrs-full:FixedInterestRateMember 2025-05-01 2025-07-31 0001045520 ifrs-full:OrdinarySharesMember cm:NormalCourseIssuerBidMember cm:XtseMember 2025-05-01 2025-07-31 0001045520 cm:NonCumulativeRateResetSeriesFortyThreeClassPreferredSharesMember 2025-05-01 2025-07-31 0001045520 ifrs-full:Level3OfFairValueHierarchyMember 2024-07-31 0001045520 cm:StageTwoMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-07-31 0001045520 cm:StageThreeMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-07-31 0001045520 cm:StageOneMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-07-31 0001045520 ifrs-full:TradingSecuritiesMember 2025-05-02 2025-07-31 0001045520 cm:ObligationsRelatedToSecuritiesSoldShortMember 2025-05-02 2025-07-31 0001045520 cm:OrganizationForEconomicCooperationAndDevelopmentPillarTwoTaxRegimeMember 2024-06-20 2024-07-31 0001045520 cm:BaselIIIMember 2022-11-01 2023-10-31 0001045520 cm:NonCumulativeRateResetSeriesSixtyOneClassPreferredSharesMember 2025-03-24 0001045520 cm:SixPointThreeSixNinePercentOfLimitedRecourseCapitalNotesSeriesSixMember cm:JanuarySevenTwoThousandAndThirtyMember cm:LimitedRecourseCapitalNotesSeriesMember 2025-03-24 0001045520 cm:SixPointThreeSixNinePercentOfLimitedRecourseCapitalNotesSeriesSixMember ifrs-full:FloatingInterestRateMember 2025-03-24 0001045520 cm:NonCumulativeRateResetSeriesSixtyOneClassPreferredSharesMember 2025-03-24 2025-03-24 0001045520 cm:NonCumulativeRateResetSeriesSixtyOneClassPreferredSharesMember cm:RestatementMember 2025-03-24 2025-03-24 0001045520 cm:SixPointThreeSixNinePercentOfLimitedRecourseCapitalNotesSeriesSixMember cm:JanuarySevenTwoThousandAndThirtyMember cm:LimitedRecourseCapitalNotesSeriesMember 2025-03-24 2025-03-24 0001045520 cm:SixPointThreeSixNinePercentOfLimitedRecourseCapitalNotesSeriesSixMember ifrs-full:FloatingInterestRateMember 2025-03-24 2025-03-24 0001045520 cm:SixPointNineFiftyPercentLimitedRecourseCapitalNotesSeriesFiveMember cm:JanuarySevenTwoThousandAndThirtyMember cm:LimitedRecourseCapitalNotesSeriesMember 2024-11-05 0001045520 cm:SixPointNineFiftyPercentLimitedRecourseCapitalNotesSeriesFiveMember ifrs-full:FloatingInterestRateMember 2024-11-05 0001045520 cm:SixPointNineFiftyPercentLimitedRecourseCapitalNotesSeriesFiveMember cm:JanuarySevenTwoThousandAndThirtyMember cm:LimitedRecourseCapitalNotesSeriesMember 2024-11-05 2024-11-05 0001045520 cm:SixPointNineFiftyPercentLimitedRecourseCapitalNotesSeriesFiveMember ifrs-full:FloatingInterestRateMember 2024-11-05 2024-11-05 0001045520 cm:FourPointOneThreeDebenturesMember cm:April22035Member cm:April22035Member cm:CompoundedCanadianOvernightRepoRateAverageMember 2025-04-02 0001045520 cm:FourPointOneThreeDebenturesMember cm:April22030Member cm:April22035Member ifrs-full:FixedInterestRateMember 2025-04-02 0001045520 cm:FourPointOneThreeDebenturesMember cm:April22035Member ifrs-full:FixedInterestRateMember 2025-04-02 0001045520 cm:FourPointOneThreeDebenturesMember cm:April22035Member ifrs-full:FixedInterestRateMember 2025-04-02 2025-04-02 0001045520 cm:TwoThousandAndEightyFiveMember ifrs-full:FloatingInterestRateMember 2025-02-28 2025-02-28 0001045520 cm:TwoThousandAndEightyFourMember ifrs-full:FloatingInterestRateMember 2025-01-31 2025-01-31 0001045520 cm:StageTwoMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2023-11-01 2024-10-31 0001045520 cm:StageThreeMember ifrs-full:FinancialInstrumentsCreditimpairedMember 2023-11-01 2024-10-31 0001045520 cm:LoansToBusinessAndGovernmentMember 2023-11-01 2024-10-31 0001045520 cm:CreditCardReceivables1Member 2023-11-01 2024-10-31 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2023-11-01 2024-10-31 0001045520 cm:StageThreeMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsCreditimpairedMember 2023-11-01 2024-10-31 0001045520 cm:StageOneMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2023-11-01 2024-10-31 0001045520 ifrs-full:ConsumerLoansMember 2023-11-01 2024-10-31 0001045520 cm:StageOneMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2023-11-01 2024-10-31 0001045520 cm:StageTwoMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2023-11-01 2024-10-31 0001045520 cm:StageThreeMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsCreditimpairedMember 2023-11-01 2024-10-31 0001045520 ifrs-full:MortgagesMember 2023-11-01 2024-10-31 0001045520 cm:StageTwoMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2023-11-01 2024-10-31 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2023-11-01 2024-10-31 0001045520 cm:StageTwoMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2023-11-01 2024-10-31 0001045520 cm:StageOneMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2023-11-01 2024-10-31 0001045520 cm:StageThreeMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsCreditimpairedMember 2023-11-01 2024-10-31 0001045520 cm:StageOneMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2023-11-01 2024-10-31 0001045520 ifrs-full:LaterThanOneYearMember cm:AverageValueMember cm:BaseCaseScenarioMember 2024-08-01 2024-10-31 0001045520 ifrs-full:NotLaterThanOneYearMember cm:AverageValueMember cm:BaseCaseScenarioMember 2024-08-01 2024-10-31 0001045520 ifrs-full:NotLaterThanOneYearMember cm:AverageValueMember cm:UpsideCaseScenarioMember 2024-08-01 2024-10-31 0001045520 ifrs-full:NotLaterThanOneYearMember cm:AverageValueMember cm:DownSideCaseScenarioMember 2024-08-01 2024-10-31 0001045520 ifrs-full:LaterThanOneYearMember cm:AverageValueMember cm:DownSideCaseScenarioMember 2024-08-01 2024-10-31 0001045520 ifrs-full:LaterThanOneYearMember cm:AverageValueMember cm:UpsideCaseScenarioMember 2024-08-01 2024-10-31 0001045520 ifrs-full:FinancialAssetsAtAmortisedCostCategoryMember ifrs-full:DebtSecuritiesMember 2024-08-01 2024-10-31 0001045520 cm:NonCumulativeRateResetSeriesFortyOneClassPreferredSharesMember 2025-01-31 0001045520 ifrs-full:Level3OfFairValueHierarchyMember 2025-04-30 0001045520 cm:StageThreeMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-04-30 0001045520 cm:StageOneMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-04-30 0001045520 cm:StageTwoMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-04-30 0001045520 ifrs-full:TradingSecuritiesMember 2025-02-01 2025-04-30 0001045520 cm:ObligationsRelatedToSecuritiesSoldShortMember 2025-02-01 2025-04-30 0001045520 cm:OtherPostEmploymentBenefitPlansMember 2025-02-01 2025-04-30 0001045520 cm:PensionPlanMember 2025-02-01 2025-04-30 0001045520 cm:GovernmentPensionPlansMember 2025-02-01 2025-04-30 0001045520 cm:DefinedContributionPensionPlansMember 2025-02-01 2025-04-30 0001045520 cm:CanadianPersonalAndBusinessBankingMember 2025-02-01 2025-04-30 0001045520 cm:CanadianCommercialBankingAndWealthManagementMember 2025-02-01 2025-04-30 0001045520 cm:USCommercialBankingAndWealthManagementMember 2025-02-01 2025-04-30 0001045520 cm:CapitalMarketsMember 2025-02-01 2025-04-30 0001045520 cm:CorporateAndOtherMember 2025-02-01 2025-04-30 0001045520 ifrs-full:NotLaterThanOneYearMember cm:AverageValueMember cm:DownSideCaseScenarioMember 2025-02-01 2025-04-30 0001045520 ifrs-full:LaterThanOneYearMember cm:AverageValueMember cm:UpsideCaseScenarioMember 2025-02-01 2025-04-30 0001045520 ifrs-full:LaterThanOneYearMember cm:AverageValueMember cm:DownSideCaseScenarioMember 2025-02-01 2025-04-30 0001045520 ifrs-full:LaterThanOneYearMember cm:AverageValueMember cm:BaseCaseScenarioMember 2025-02-01 2025-04-30 0001045520 ifrs-full:NotLaterThanOneYearMember cm:AverageValueMember cm:UpsideCaseScenarioMember 2025-02-01 2025-04-30 0001045520 ifrs-full:NotLaterThanOneYearMember cm:AverageValueMember cm:BaseCaseScenarioMember 2025-02-01 2025-04-30 0001045520 ifrs-full:MortgagesMember 2025-02-01 2025-04-30 0001045520 cm:StageTwoMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-02-01 2025-04-30 0001045520 cm:StageOneMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-02-01 2025-04-30 0001045520 cm:StageThreeMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-02-01 2025-04-30 0001045520 ifrs-full:ConsumerLoansMember 2025-02-01 2025-04-30 0001045520 cm:CreditCardReceivables1Member 2025-02-01 2025-04-30 0001045520 cm:StageOneMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-02-01 2025-04-30 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-02-01 2025-04-30 0001045520 cm:LoansToBusinessAndGovernmentMember 2025-02-01 2025-04-30 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-02-01 2025-04-30 0001045520 cm:StageTwoMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-02-01 2025-04-30 0001045520 cm:StageOneMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-02-01 2025-04-30 0001045520 cm:StageTwoMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-02-01 2025-04-30 0001045520 cm:StageThreeMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-02-01 2025-04-30 0001045520 cm:StageThreeMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-02-01 2025-04-30 0001045520 cm:HundredBasisPointsDecreaseMember 2025-02-01 2025-04-30 0001045520 currency:CAD cm:HundredBasisPointsIncreaseMember 2025-02-01 2025-04-30 0001045520 currency:USD cm:HundredBasisPointsIncreaseMember 2025-02-01 2025-04-30 0001045520 currency:CAD cm:HundredBasisPointsDecreaseMember 2025-02-01 2025-04-30 0001045520 currency:USD cm:HundredBasisPointsDecreaseMember 2025-02-01 2025-04-30 0001045520 cm:HundredBasisPointsIncreaseMember 2025-02-01 2025-04-30 0001045520 cm:StageThreeMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-02-01 2025-04-30 0001045520 cm:OtherMember 2025-02-01 2025-04-30 0001045520 cm:DebtSecuritiesMeasuredAtFairValueThroughOtherComprehensiveIncomeMember 2025-02-01 2025-04-30 0001045520 cm:AmortisedCostMember 2025-02-01 2025-04-30 0001045520 ifrs-full:CreditRiskMember 2025-02-01 2025-04-30 0001045520 cm:AverageRiskMember ifrs-full:CreditRiskMember 2025-02-01 2025-04-30 0001045520 ifrs-full:InterestRateRiskMember 2025-02-01 2025-04-30 0001045520 cm:AverageRiskMember ifrs-full:InterestRateRiskMember 2025-02-01 2025-04-30 0001045520 ifrs-full:RiskDiversificationEffectMember 2025-02-01 2025-04-30 0001045520 cm:AverageRiskMember ifrs-full:RiskDiversificationEffectMember 2025-02-01 2025-04-30 0001045520 ifrs-full:CommodityPriceRiskMember 2025-02-01 2025-04-30 0001045520 cm:AverageRiskMember ifrs-full:CommodityPriceRiskMember 2025-02-01 2025-04-30 0001045520 cm:AverageRiskMember 2025-02-01 2025-04-30 0001045520 ifrs-full:CurrencyRiskMember 2025-02-01 2025-04-30 0001045520 cm:AverageRiskMember ifrs-full:CurrencyRiskMember 2025-02-01 2025-04-30 0001045520 ifrs-full:EquityPriceRiskMember 2025-02-01 2025-04-30 0001045520 cm:AverageRiskMember ifrs-full:EquityPriceRiskMember 2025-02-01 2025-04-30 0001045520 cm:StageOneMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember cm:FinancialInstrumentsPerformingMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-02-01 2025-04-30 0001045520 cm:StageTwoMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember cm:FinancialInstrumentsPerformingMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-02-01 2025-04-30 0001045520 ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember 2025-02-01 2025-04-30 0001045520 cm:StageThreeMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-02-01 2025-04-30 0001045520 ifrs-full:Level3OfFairValueHierarchyMember 2025-02-01 2025-04-30 0001045520 cm:DerivativeAssetsMember cm:EquityDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-02-01 2025-04-30 0001045520 cm:DerivativeAssetsMember cm:CreditDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-02-01 2025-04-30 0001045520 cm:DerivativeAssetsMember cm:ForeignExchangeDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-02-01 2025-04-30 0001045520 cm:DerivativeAssetsMember cm:InterestRateDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-02-01 2025-04-30 0001045520 cm:EquitySecuritiesMandatorilyMeasuredAtFVTPLDesignatedAtFVOCIMember cm:CorporateEquityMember ifrs-full:Level3OfFairValueHierarchyMember 2025-02-01 2025-04-30 0001045520 cm:LoansMeasuredAtFVTPLMember cm:BusinessAndGovernmentMember ifrs-full:Level3OfFairValueHierarchyMember 2025-02-01 2025-04-30 0001045520 cm:DebtSecuritiesMeasuredAtFVTPLMember cm:CorporateDebtMember ifrs-full:Level3OfFairValueHierarchyMember 2025-02-01 2025-04-30 0001045520 cm:DebtSecuritiesMeasuredAtFVTPLMember cm:MortgageAndAssetBackedMember ifrs-full:Level3OfFairValueHierarchyMember 2025-02-01 2025-04-30 0001045520 cm:DepositsAndOtherLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-02-01 2025-04-30 0001045520 cm:InterestRateDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-02-01 2025-04-30 0001045520 cm:CreditDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-02-01 2025-04-30 0001045520 cm:ForeignExchangeDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-02-01 2025-04-30 0001045520 cm:EquityDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-02-01 2025-04-30 0001045520 cm:NonCumulativeRateResetSeriesFortyOneClassPreferredSharesMember 2024-11-01 2025-01-31 0001045520 cm:OtherPostEmploymentBenefitPlansMember 2024-11-01 2025-07-31 0001045520 cm:PensionPlanMember 2024-11-01 2025-07-31 0001045520 cm:GovernmentPensionPlansMember 2024-11-01 2025-07-31 0001045520 cm:DefinedContributionPensionPlansMember 2024-11-01 2025-07-31 0001045520 cm:USCommercialBankingAndWealthManagementMember 2024-11-01 2025-07-31 0001045520 cm:CanadianPersonalAndBusinessBankingMember 2024-11-01 2025-07-31 0001045520 cm:CanadianCommercialBankingAndWealthManagementMember 2024-11-01 2025-07-31 0001045520 cm:CapitalMarketsMember 2024-11-01 2025-07-31 0001045520 cm:CorporateAndOtherMember 2024-11-01 2025-07-31 0001045520 cm:CreditCardReceivables1Member 2024-11-01 2025-07-31 0001045520 cm:StageOneMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-11-01 2025-07-31 0001045520 cm:StageThreeMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-11-01 2025-07-31 0001045520 cm:LoansToBusinessAndGovernmentMember 2024-11-01 2025-07-31 0001045520 ifrs-full:MortgagesMember 2024-11-01 2025-07-31 0001045520 cm:StageThreeMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-11-01 2025-07-31 0001045520 cm:StageTwoMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-11-01 2025-07-31 0001045520 ifrs-full:ConsumerLoansMember 2024-11-01 2025-07-31 0001045520 cm:StageOneMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-11-01 2025-07-31 0001045520 cm:StageTwoMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-11-01 2025-07-31 0001045520 cm:StageThreeMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-11-01 2025-07-31 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-11-01 2025-07-31 0001045520 cm:StageOneMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-11-01 2025-07-31 0001045520 cm:StageTwoMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-11-01 2025-07-31 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-11-01 2025-07-31 0001045520 ifrs-full:AtFairValueMember 2024-11-01 2025-07-31 0001045520 cm:ValueAtRiskMember ifrs-full:MarketRiskMember 2024-11-01 2025-07-31 0001045520 currency:CAD cm:HundredBasisPointsDecreaseMember 2024-11-01 2025-07-31 0001045520 currency:USD cm:HundredBasisPointsDecreaseMember 2024-11-01 2025-07-31 0001045520 cm:HundredBasisPointsDecreaseMember 2024-11-01 2025-07-31 0001045520 currency:CAD cm:HundredBasisPointsIncreaseMember 2024-11-01 2025-07-31 0001045520 currency:USD cm:HundredBasisPointsIncreaseMember 2024-11-01 2025-07-31 0001045520 cm:HundredBasisPointsIncreaseMember 2024-11-01 2025-07-31 0001045520 cm:StageThreeMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-11-01 2025-07-31 0001045520 ifrs-full:OrdinarySharesMember 2024-11-01 2025-07-31 0001045520 cm:OtherMember 2024-11-01 2025-07-31 0001045520 cm:DebtSecuritiesMeasuredAtFairValueThroughOtherComprehensiveIncomeMember 2024-11-01 2025-07-31 0001045520 cm:AmortisedCostMember 2024-11-01 2025-07-31 0001045520 ifrs-full:RetainedEarningsMember 2024-11-01 2025-07-31 0001045520 ifrs-full:NoncontrollingInterestsMember 2024-11-01 2025-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember cm:ReserveOfEquitySecuritiesDesignatedAtFairValueOfOtherComprehensiveIncomeMember 2024-11-01 2025-07-31 0001045520 cm:AverageRiskMember 2024-11-01 2025-07-31 0001045520 cm:AverageRiskMember ifrs-full:CurrencyRiskMember 2024-11-01 2025-07-31 0001045520 cm:AverageRiskMember ifrs-full:CommodityPriceRiskMember 2024-11-01 2025-07-31 0001045520 cm:AverageRiskMember ifrs-full:RiskDiversificationEffectMember 2024-11-01 2025-07-31 0001045520 cm:AverageRiskMember ifrs-full:InterestRateRiskMember 2024-11-01 2025-07-31 0001045520 cm:AverageRiskMember ifrs-full:CreditRiskMember 2024-11-01 2025-07-31 0001045520 cm:AverageRiskMember ifrs-full:EquityPriceRiskMember 2024-11-01 2025-07-31 0001045520 ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember ifrs-full:AccumulatedOtherComprehensiveIncomeMember 2024-11-01 2025-07-31 0001045520 cm:StageOneMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember cm:FinancialInstrumentsPerformingMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-11-01 2025-07-31 0001045520 cm:StageTwoMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember cm:FinancialInstrumentsPerformingMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-11-01 2025-07-31 0001045520 cm:StageThreeMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-11-01 2025-07-31 0001045520 ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember 2024-11-01 2025-07-31 0001045520 cm:TwoThousandAndNineteenTaxationYearMember 2024-11-01 2025-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember 2024-11-01 2025-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfCashFlowHedgesMember 2024-11-01 2025-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfRemeasurementsOfDefinedBenefitPlansMember 2024-11-01 2025-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiabilityMember 2024-11-01 2025-07-31 0001045520 ifrs-full:PreferenceSharesMember ifrs-full:RetainedEarningsMember 2024-11-01 2025-07-31 0001045520 ifrs-full:OrdinarySharesMember ifrs-full:RetainedEarningsMember 2024-11-01 2025-07-31 0001045520 ifrs-full:PreferenceSharesMember 2024-11-01 2025-07-31 0001045520 ifrs-full:AdditionalPaidinCapitalMember 2024-11-01 2025-07-31 0001045520 ifrs-full:Level3OfFairValueHierarchyMember 2024-11-01 2025-07-31 0001045520 cm:EquitySecuritiesMandatorilyMeasuredAtFVTPLDesignatedAtFVOCIMember cm:CorporateEquityMember ifrs-full:Level3OfFairValueHierarchyMember 2024-11-01 2025-07-31 0001045520 cm:DerivativeAssetsMember cm:EquityDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-11-01 2025-07-31 0001045520 cm:DerivativeAssetsMember cm:CreditDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-11-01 2025-07-31 0001045520 cm:DerivativeAssetsMember cm:InterestRateDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-11-01 2025-07-31 0001045520 cm:DebtSecuritiesMeasuredAtFVTPLMember cm:MortgageAndAssetBackedMember ifrs-full:Level3OfFairValueHierarchyMember 2024-11-01 2025-07-31 0001045520 cm:DebtSecuritiesMeasuredAtFVTPLMember cm:CorporateDebtMember ifrs-full:Level3OfFairValueHierarchyMember 2024-11-01 2025-07-31 0001045520 cm:LoansMeasuredAtFVTPLMember cm:BusinessAndGovernmentMember ifrs-full:Level3OfFairValueHierarchyMember 2024-11-01 2025-07-31 0001045520 cm:DepositsAndOtherLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-11-01 2025-07-31 0001045520 cm:ForeignExchangeDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-11-01 2025-07-31 0001045520 cm:InterestRateDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-11-01 2025-07-31 0001045520 cm:CreditDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-11-01 2025-07-31 0001045520 cm:EquityDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-11-01 2025-07-31 0001045520 ifrs-full:OrdinarySharesMember cm:NormalCourseIssuerBidMember cm:XtseMember 2024-11-01 2025-07-31 0001045520 cm:BaselIIIMember ifrs-full:BottomOfRangeMember 2024-11-01 2025-07-31 0001045520 cm:PensionPlanMember 2023-11-01 2024-07-31 0001045520 cm:OtherPostEmploymentBenefitPlansMember 2023-11-01 2024-07-31 0001045520 cm:GovernmentPensionPlansMember 2023-11-01 2024-07-31 0001045520 cm:DefinedContributionPensionPlansMember 2023-11-01 2024-07-31 0001045520 cm:CapitalMarketsMember 2023-11-01 2024-07-31 0001045520 cm:CanadianPersonalAndBusinessBankingMember 2023-11-01 2024-07-31 0001045520 cm:CanadianCommercialBankingAndWealthManagementMember 2023-11-01 2024-07-31 0001045520 cm:USCommercialBankingAndWealthManagementMember 2023-11-01 2024-07-31 0001045520 cm:CorporateAndOtherMember 2023-11-01 2024-07-31 0001045520 ifrs-full:MortgagesMember 2023-11-01 2024-07-31 0001045520 cm:StageOneMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2023-11-01 2024-07-31 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2023-11-01 2024-07-31 0001045520 ifrs-full:ConsumerLoansMember 2023-11-01 2024-07-31 0001045520 cm:CreditCardReceivables1Member 2023-11-01 2024-07-31 0001045520 cm:StageOneMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2023-11-01 2024-07-31 0001045520 cm:StageTwoMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2023-11-01 2024-07-31 0001045520 cm:StageThreeMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2023-11-01 2024-07-31 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2023-11-01 2024-07-31 0001045520 cm:StageTwoMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2023-11-01 2024-07-31 0001045520 cm:StageTwoMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2023-11-01 2024-07-31 0001045520 cm:StageThreeMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2023-11-01 2024-07-31 0001045520 cm:LoansToBusinessAndGovernmentMember 2023-11-01 2024-07-31 0001045520 cm:StageOneMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2023-11-01 2024-07-31 0001045520 cm:StageThreeMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2023-11-01 2024-07-31 0001045520 currency:CAD cm:HundredBasisPointsDecreaseMember 2023-11-01 2024-07-31 0001045520 currency:USD cm:HundredBasisPointsDecreaseMember 2023-11-01 2024-07-31 0001045520 cm:HundredBasisPointsDecreaseMember 2023-11-01 2024-07-31 0001045520 cm:HundredBasisPointsIncreaseMember 2023-11-01 2024-07-31 0001045520 currency:CAD cm:HundredBasisPointsIncreaseMember 2023-11-01 2024-07-31 0001045520 currency:USD cm:HundredBasisPointsIncreaseMember 2023-11-01 2024-07-31 0001045520 cm:StageThreeMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2023-11-01 2024-07-31 0001045520 ifrs-full:OrdinarySharesMember 2023-11-01 2024-07-31 0001045520 cm:AmortisedCostMember 2023-11-01 2024-07-31 0001045520 cm:DebtSecuritiesMeasuredAtFairValueThroughOtherComprehensiveIncomeMember 2023-11-01 2024-07-31 0001045520 cm:OtherMember 2023-11-01 2024-07-31 0001045520 ifrs-full:RetainedEarningsMember 2023-11-01 2024-07-31 0001045520 ifrs-full:NoncontrollingInterestsMember 2023-11-01 2024-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember cm:ReserveOfEquitySecuritiesDesignatedAtFairValueOfOtherComprehensiveIncomeMember 2023-11-01 2024-07-31 0001045520 cm:AverageRiskMember 2023-11-01 2024-07-31 0001045520 cm:AverageRiskMember ifrs-full:CurrencyRiskMember 2023-11-01 2024-07-31 0001045520 cm:AverageRiskMember ifrs-full:CommodityPriceRiskMember 2023-11-01 2024-07-31 0001045520 cm:AverageRiskMember ifrs-full:RiskDiversificationEffectMember 2023-11-01 2024-07-31 0001045520 cm:AverageRiskMember ifrs-full:InterestRateRiskMember 2023-11-01 2024-07-31 0001045520 cm:AverageRiskMember ifrs-full:CreditRiskMember 2023-11-01 2024-07-31 0001045520 cm:AverageRiskMember ifrs-full:EquityPriceRiskMember 2023-11-01 2024-07-31 0001045520 ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember ifrs-full:AccumulatedOtherComprehensiveIncomeMember 2023-11-01 2024-07-31 0001045520 ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember 2023-11-01 2024-07-31 0001045520 cm:StageTwoMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember cm:FinancialInstrumentsPerformingMember ifrs-full:LifetimeExpectedCreditLossesMember 2023-11-01 2024-07-31 0001045520 cm:StageThreeMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2023-11-01 2024-07-31 0001045520 cm:StageOneMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember cm:FinancialInstrumentsPerformingMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2023-11-01 2024-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember 2023-11-01 2024-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfCashFlowHedgesMember 2023-11-01 2024-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfRemeasurementsOfDefinedBenefitPlansMember 2023-11-01 2024-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiabilityMember 2023-11-01 2024-07-31 0001045520 ifrs-full:OrdinarySharesMember ifrs-full:RetainedEarningsMember 2023-11-01 2024-07-31 0001045520 ifrs-full:PreferenceSharesMember ifrs-full:RetainedEarningsMember 2023-11-01 2024-07-31 0001045520 ifrs-full:PreferenceSharesMember 2023-11-01 2024-07-31 0001045520 ifrs-full:AdditionalPaidinCapitalMember 2023-11-01 2024-07-31 0001045520 ifrs-full:Level3OfFairValueHierarchyMember 2023-11-01 2024-07-31 0001045520 cm:DerivativeAssetsMember cm:CreditDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2023-11-01 2024-07-31 0001045520 cm:EquitySecuritiesMandatorilyMeasuredAtFVTPLDesignatedAtFVOCIMember cm:CorporateEquityMember ifrs-full:Level3OfFairValueHierarchyMember 2023-11-01 2024-07-31 0001045520 cm:DerivativeAssetsMember cm:InterestRateDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2023-11-01 2024-07-31 0001045520 cm:LoansMeasuredAtFVTPLMember cm:BusinessAndGovernmentMember ifrs-full:Level3OfFairValueHierarchyMember 2023-11-01 2024-07-31 0001045520 cm:DerivativeAssetsMember cm:EquityDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2023-11-01 2024-07-31 0001045520 cm:DebtSecuritiesMeasuredAtFVTPLMember cm:MortgageAndAssetBackedMember ifrs-full:Level3OfFairValueHierarchyMember 2023-11-01 2024-07-31 0001045520 cm:CreditDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2023-11-01 2024-07-31 0001045520 cm:DepositsAndOtherLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2023-11-01 2024-07-31 0001045520 cm:ForeignExchangeDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2023-11-01 2024-07-31 0001045520 cm:InterestRateDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2023-11-01 2024-07-31 0001045520 cm:EquityDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2023-11-01 2024-07-31 0001045520 cm:BankDepositsMember 2024-10-31 0001045520 cm:PersonalDepositMember 2024-10-31 0001045520 cm:BusinessAndGovernmentDepositsAndSecuredBorrowingsMember 2024-10-31 0001045520 cm:CorporateEquityMember cm:EquitySecuritiesMember cm:UnrealizedGainLossesOnFVOCISecuritiesMember 2024-10-31 0001045520 cm:OtherForeignGovernmentsMember ifrs-full:DebtSecuritiesMember cm:UnrealizedGainLossesOnFVOCISecuritiesMember 2024-10-31 0001045520 cm:MortgageBackedSecuritiesMember ifrs-full:DebtSecuritiesMember cm:UnrealizedGainLossesOnFVOCISecuritiesMember 2024-10-31 0001045520 cm:OtherCanadianGovernmentsMember ifrs-full:DebtSecuritiesMember cm:UnrealizedGainLossesOnFVOCISecuritiesMember 2024-10-31 0001045520 cm:USTreasuryAndAgenciesMember ifrs-full:DebtSecuritiesMember cm:UnrealizedGainLossesOnFVOCISecuritiesMember 2024-10-31 0001045520 cm:UnrealizedGainLossesOnFVOCISecuritiesMember 2024-10-31 0001045520 cm:AssetBackedSecuritiesMember ifrs-full:DebtSecuritiesMember cm:UnrealizedGainLossesOnFVOCISecuritiesMember 2024-10-31 0001045520 cm:CorporateDebtMember ifrs-full:DebtSecuritiesMember cm:UnrealizedGainLossesOnFVOCISecuritiesMember 2024-10-31 0001045520 cm:CanadianFederalGovernmentMember ifrs-full:DebtSecuritiesMember cm:UnrealizedGainLossesOnFVOCISecuritiesMember 2024-10-31 0001045520 ifrs-full:DebtSecuritiesMember 2024-10-31 0001045520 cm:PersonalHomeEquityAndCreditCardLinesMember 2024-10-31 0001045520 cm:BaseScenarioMember 2024-10-31 0001045520 cm:DownsideScenarioMember 2024-10-31 0001045520 currency:USD 2024-10-31 0001045520 cm:OtherForeignCurrenciesMember 2024-10-31 0001045520 cm:BankRecapitalizationBailinConversionRegulationsMember cm:PayableOnFixedDateMember 2024-10-31 0001045520 cm:BusinessAndGovernmentMember 2024-10-31 0001045520 cm:CreditCardReceivables1Member 2024-10-31 0001045520 ifrs-full:MortgagesMember 2024-10-31 0001045520 ifrs-full:ConsumerLoansMember 2024-10-31 0001045520 ifrs-full:NotLaterThanOneMonthMember 2024-10-31 0001045520 ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember 2024-10-31 0001045520 ifrs-full:LaterThanThreeMonthsAndNotLaterThanSixMonthsMember 2024-10-31 0001045520 cm:LaterThanSixMonthsAndNotLaterThanNineMonthsMember 2024-10-31 0001045520 cm:LaterThanNineMonthsAndNotLaterThanOneYearMember 2024-10-31 0001045520 ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember 2024-10-31 0001045520 ifrs-full:LaterThanTwoYearsAndNotLaterThanFiveYearsMember 2024-10-31 0001045520 ifrs-full:LaterThanFiveYearsMember 2024-10-31 0001045520 ifrs-full:OrdinarySharesMember 2024-10-31 0001045520 ifrs-full:PreferenceSharesMember 2024-10-31 0001045520 cm:SecuritiesIssuedOrGuaranteedBySovereignsCentralBanksAndMultilateralDevelopmentBanksMember cm:BankOwnedLiquidAssetsMember 2024-10-31 0001045520 cm:OtherLiquidAssetsMember cm:SecuritiesReceivedAsCollateralMember 2024-10-31 0001045520 cm:OtherLiquidAssetsMember 2024-10-31 0001045520 cm:BankOwnedLiquidAssetsMember 2024-10-31 0001045520 cm:SecuritiesReceivedAsCollateralMember 2024-10-31 0001045520 cm:EquitiesMember cm:SecuritiesReceivedAsCollateralMember 2024-10-31 0001045520 cm:EquitiesMember 2024-10-31 0001045520 cm:CanadianGovernmentGuaranteedNationalHousingActMortgageBackedSecuritiesMember cm:BankOwnedLiquidAssetsMember 2024-10-31 0001045520 cm:CanadianGovernmentGuaranteedNationalHousingActMortgageBackedSecuritiesMember cm:SecuritiesReceivedAsCollateralMember 2024-10-31 0001045520 cm:CanadianGovernmentGuaranteedNationalHousingActMortgageBackedSecuritiesMember 2024-10-31 0001045520 cm:OtherLiquidAssetsMember cm:BankOwnedLiquidAssetsMember 2024-10-31 0001045520 cm:SecuritiesIssuedOrGuaranteedBySovereignsCentralBanksAndMultilateralDevelopmentBanksMember cm:SecuritiesReceivedAsCollateralMember 2024-10-31 0001045520 cm:SecuritiesIssuedOrGuaranteedBySovereignsCentralBanksAndMultilateralDevelopmentBanksMember 2024-10-31 0001045520 cm:OtherDebtSecurityMember cm:BankOwnedLiquidAssetsMember 2024-10-31 0001045520 cm:OtherDebtSecurityMember cm:SecuritiesReceivedAsCollateralMember 2024-10-31 0001045520 cm:OtherDebtSecurityMember 2024-10-31 0001045520 cm:EquitiesMember cm:BankOwnedLiquidAssetsMember 2024-10-31 0001045520 cm:CashAndDepositsWithBanksMember cm:BankOwnedLiquidAssetsMember 2024-10-31 0001045520 cm:CashAndDepositsWithBanksMember 2024-10-31 0001045520 ifrs-full:OtherAssetsMember cm:StageThreeMember ifrs-full:FinancialInstrumentsCreditimpairedMember 2024-10-31 0001045520 cm:NoSpecificMaturityMember 2024-10-31 0001045520 cm:NonInterestBearingDepositsMember country:US 2024-10-31 0001045520 cm:BusinessAndGovernmentDepositsMember 2024-10-31 0001045520 cm:InterestBearingDepositsWithBanksMember cm:OtherInternationalMember 2024-10-31 0001045520 cm:InterestBearingDepositsWithBanksMember country:US 2024-10-31 0001045520 cm:NonInterestBearingDepositsMember country:CA 2024-10-31 0001045520 cm:NonInterestBearingDepositsMember cm:OtherInternationalMember 2024-10-31 0001045520 cm:SecuredBorrowingsMember 2024-10-31 0001045520 cm:InterestBearingDepositsWithBanksMember country:CA 2024-10-31 0001045520 ifrs-full:FinancialLiabilitiesAtAmortisedCostMember 2024-10-31 0001045520 ifrs-full:FinancialLiabilitiesAtFairValueMember 2024-10-31 0001045520 ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:GovernmentIssuedOrGuaranteedMember ifrs-full:Level1OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:MortgageAndAssetBackedMember ifrs-full:Level2OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:MortgageAndAssetBackedMember ifrs-full:Level3OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:CorporateDebtMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:MortgageAndAssetBackedMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 ifrs-full:Level1OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:GovernmentIssuedOrGuaranteedMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:CorporateDebtMember ifrs-full:Level2OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 ifrs-full:Level2OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 ifrs-full:Level3OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:GovernmentIssuedOrGuaranteedMember ifrs-full:Level2OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:OverFiveYearMember 2024-10-31 0001045520 ifrs-full:FinancialAssetsAtFairValueMember 2024-10-31 0001045520 cm:CarryingValueMember 2024-10-31 0001045520 ifrs-full:FinancialAssetsAtAmortisedCostCategoryMember 2024-10-31 0001045520 cm:RetailPortfoliosMember cm:DrawnMember cm:InternalRatingsBasedMember 2024-10-31 0001045520 cm:RetailPortfoliosMember cm:DrawnMember cm:StandardizedApproachRiskMember 2024-10-31 0001045520 cm:RetailPortfoliosMember cm:DrawnMember 2024-10-31 0001045520 cm:InternalRatingsBasedMember 2024-10-31 0001045520 cm:StandardizedApproachRiskMember 2024-10-31 0001045520 ifrs-full:GrossCarryingAmountMember cm:InternalRatingsBasedMember 2024-10-31 0001045520 ifrs-full:GrossCarryingAmountMember cm:StandardizedApproachRiskMember 2024-10-31 0001045520 ifrs-full:GrossCarryingAmountMember 2024-10-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:StandardizedApproachRiskMember 2024-10-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember 2024-10-31 0001045520 cm:SecuritizationExposuresMember cm:StandardizedApproachRiskMember 2024-10-31 0001045520 cm:SecuritizationExposuresMember 2024-10-31 0001045520 cm:RepoStyleTransactionCollateralMember cm:BusinessAndGovernmentPortfoliosMember cm:InternalRatingsBasedMember 2024-10-31 0001045520 cm:RepoStyleTransactionCollateralMember cm:BusinessAndGovernmentPortfoliosMember 2024-10-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:InternalRatingsBasedMember 2024-10-31 0001045520 cm:RetailPortfoliosMember cm:OtherOffBalanceSheetItemsMember cm:InternalRatingsBasedMember 2024-10-31 0001045520 ifrs-full:GrossCarryingAmountMember cm:BusinessAndGovernmentPortfoliosMember 2024-10-31 0001045520 cm:RetailPortfoliosMember cm:UndrawnCommitmentsMember cm:InternalRatingsBasedMember 2024-10-31 0001045520 cm:RetailPortfoliosMember cm:UndrawnCommitmentsMember cm:StandardizedApproachRiskMember 2024-10-31 0001045520 cm:RetailPortfoliosMember cm:UndrawnCommitmentsMember 2024-10-31 0001045520 ifrs-full:GrossCarryingAmountMember cm:RetailPortfoliosMember 2024-10-31 0001045520 cm:SecuritizationExposuresMember cm:InternalRatingsBasedMember 2024-10-31 0001045520 cm:RetailPortfoliosMember cm:OtherOffBalanceSheetItemsMember 2024-10-31 0001045520 ifrs-full:GrossCarryingAmountMember cm:RetailPortfoliosMember cm:InternalRatingsBasedMember 2024-10-31 0001045520 ifrs-full:GrossCarryingAmountMember cm:RetailPortfoliosMember cm:StandardizedApproachRiskMember 2024-10-31 0001045520 ifrs-full:GrossCarryingAmountMember cm:BusinessAndGovernmentPortfoliosMember cm:InternalRatingsBasedMember 2024-10-31 0001045520 ifrs-full:GrossCarryingAmountMember cm:BusinessAndGovernmentPortfoliosMember cm:StandardizedApproachRiskMember 2024-10-31 0001045520 cm:RetailPortfoliosMember cm:OtherOffBalanceSheetItemsMember cm:StandardizedApproachRiskMember 2024-10-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:OverTheCounterDerivativesMember cm:InternalRatingsBasedMember 2024-10-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:OverTheCounterDerivativesMember cm:StandardizedApproachRiskMember 2024-10-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:OverTheCounterDerivativesMember 2024-10-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:OtherOffBalanceSheetItemsMember cm:InternalRatingsBasedMember 2024-10-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:OtherOffBalanceSheetItemsMember cm:StandardizedApproachRiskMember 2024-10-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:OtherOffBalanceSheetItemsMember 2024-10-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:UndrawnCommitmentsMember 2024-10-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:RepoStyleTransactionsMember cm:InternalRatingsBasedMember 2024-10-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:RepoStyleTransactionsMember cm:StandardizedApproachRiskMember 2024-10-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:RepoStyleTransactionsMember 2024-10-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:DrawnMember 2024-10-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:UndrawnCommitmentsMember cm:InternalRatingsBasedMember 2024-10-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:UndrawnCommitmentsMember cm:StandardizedApproachRiskMember 2024-10-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:DrawnMember cm:InternalRatingsBasedMember 2024-10-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:DrawnMember cm:StandardizedApproachRiskMember 2024-10-31 0001045520 cm:FinancialAssetsFairValueOverUnderCarryingValueMember 2024-10-31 0001045520 ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember 2024-10-31 0001045520 ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValueCategoryMember 2024-10-31 0001045520 cm:CorporateEquityMember ifrs-full:Level1OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:CorporateEquityMember ifrs-full:Level2OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:CorporateEquityMember ifrs-full:Level3OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:CorporateEquityMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 ifrs-full:OtherAssetsMember ifrs-full:Level2OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 ifrs-full:OtherAssetsMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:StageTwoMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:ExceptionallyLowMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageThreeMember ifrs-full:FinancialInstrumentsCreditimpairedMember cm:NotRatedMember 2024-10-31 0001045520 cm:StageOneMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:VeryLowMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-10-31 0001045520 cm:VeryLowMember 2024-10-31 0001045520 cm:StageOneMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:NotRatedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-10-31 0001045520 cm:ExceptionallyLowMember 2024-10-31 0001045520 cm:StageThreeMember ifrs-full:FinancialInstrumentsCreditimpairedMember cm:DefaultMember 2024-10-31 0001045520 cm:DefaultMember 2024-10-31 0001045520 cm:StageOneMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:HighMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-10-31 0001045520 cm:NotRatedMember 2024-10-31 0001045520 cm:StageOneMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageTwoMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageOneMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:MediumMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageTwoMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:MediumMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageOneMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:LowMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-10-31 0001045520 cm:LowMember 2024-10-31 0001045520 cm:StageTwoMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:VeryLowMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageThreeMember ifrs-full:FinancialInstrumentsCreditimpairedMember 2024-10-31 0001045520 cm:StageOneMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:ExceptionallyLowMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageTwoMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:LowMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-10-31 0001045520 cm:MediumMember 2024-10-31 0001045520 cm:StageTwoMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:NotRatedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageTwoMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:HighMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-10-31 0001045520 cm:HighMember 2024-10-31 0001045520 cm:ForeignExchangeDerivativesMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:EquityDerivativesMember ifrs-full:Level1OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:EquityDerivativesMember ifrs-full:Level2OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:InterestRateDerivativesMember ifrs-full:Level1OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:InterestRateDerivativesMember ifrs-full:Level2OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:CreditDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:CreditDerivativesMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:PreciousMetalAndOtherCommodityDerivativesMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:ForeignExchangeDerivativesMember ifrs-full:Level2OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:EquityDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:EquityDerivativesMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:InterestRateDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:InterestRateDerivativesMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:CreditDerivativesMember ifrs-full:Level2OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:PreciousMetalAndOtherCommodityDerivativesMember ifrs-full:Level1OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:PreciousMetalAndOtherCommodityDerivativesMember ifrs-full:Level2OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageTwoMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-10-31 0001045520 cm:LoansToBusinessAndGovernmentMember 2024-10-31 0001045520 cm:StageThreeMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsCreditimpairedMember 2024-10-31 0001045520 cm:StageTwoMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageOneMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageTwoMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageOneMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageThreeMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsCreditimpairedMember 2024-10-31 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageThreeMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsCreditimpairedMember 2024-10-31 0001045520 cm:StageOneMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageTwoMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:InvestmentGradeMember ifrs-full:LifetimeExpectedCreditLossesMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageThreeMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsCreditimpairedMember cm:NetCreditExposureMember 2024-10-31 0001045520 cm:LoansToBusinessAndGovernmentMember cm:InvestmentGradeMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageTwoMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:NotRatedMember ifrs-full:LifetimeExpectedCreditLossesMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageTwoMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:MediumMember ifrs-full:LifetimeExpectedCreditLossesMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:RetailMember cm:VeryLowMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageOneMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageOneMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:NotRatedMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageTwoMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:ExceptionallyLowMember ifrs-full:LifetimeExpectedCreditLossesMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:LoansToBusinessAndGovernmentMember cm:NetCreditExposureMember 2024-10-31 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember cm:NetCreditExposureMember 2024-10-31 0001045520 cm:StageOneMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:ExceptionallyLowMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:WatchListMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:RetailMember cm:ExceptionallyLowMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:InvestmentGradeMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageThreeMember cm:RetailMember ifrs-full:FinancialInstrumentsCreditimpairedMember cm:NetCreditExposureMember 2024-10-31 0001045520 cm:RetailMember cm:LowMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:RetailMember cm:NotRatedMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:RetailMember cm:NetCreditExposureMember 2024-10-31 0001045520 cm:LoansToBusinessAndGovernmentMember cm:NonInvestmentGradeMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageTwoMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:HighMember ifrs-full:LifetimeExpectedCreditLossesMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:RetailMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:RetailMember cm:MediumMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageThreeMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsCreditimpairedMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageOneMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:MediumMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:NotRatedMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:RetailMember cm:HighMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:LoansToBusinessAndGovernmentMember cm:NotRatedMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageOneMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:NetCreditExposureMember 2024-10-31 0001045520 cm:StageTwoMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:LowMember ifrs-full:LifetimeExpectedCreditLossesMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:NetCreditExposureMember 2024-10-31 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:NotRatedMember ifrs-full:LifetimeExpectedCreditLossesMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:NonInvestmentGradeMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:NonInvestmentGradeMember ifrs-full:LifetimeExpectedCreditLossesMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:LoansToBusinessAndGovernmentMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageThreeMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsCreditimpairedMember cm:DefaultMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:LoansToBusinessAndGovernmentMember cm:DefaultMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageOneMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:NetCreditExposureMember 2024-10-31 0001045520 cm:StageTwoMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember cm:NetCreditExposureMember 2024-10-31 0001045520 cm:StageThreeMember ifrs-full:FinancialInstrumentsCreditimpairedMember cm:NetCreditExposureMember 2024-10-31 0001045520 cm:NetCreditExposureMember 2024-10-31 0001045520 cm:StageTwoMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember cm:NetCreditExposureMember 2024-10-31 0001045520 cm:StageThreeMember cm:RetailMember ifrs-full:FinancialInstrumentsCreditimpairedMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:WatchListMember ifrs-full:LifetimeExpectedCreditLossesMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:LoansToBusinessAndGovernmentMember cm:WatchListMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageOneMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:VeryLowMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageTwoMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:VeryLowMember ifrs-full:LifetimeExpectedCreditLossesMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageOneMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:LowMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageOneMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:HighMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageThreeMember cm:RetailMember ifrs-full:FinancialInstrumentsCreditimpairedMember cm:DefaultMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:RetailMember cm:DefaultMember cm:GrossCreditExposureMember 2024-10-31 0001045520 cm:StageOneMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageTwoMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-10-31 0001045520 cm:RetailMember 2024-10-31 0001045520 cm:StageOneMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:NonInvestmentGradeMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-10-31 0001045520 cm:InvestmentGradeMember 2024-10-31 0001045520 cm:WatchListMember 2024-10-31 0001045520 cm:StageTwoMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:InvestmentGradeMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageTwoMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:WatchListMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageOneMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:InvestmentGradeMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-10-31 0001045520 cm:NonInvestmentGradeMember 2024-10-31 0001045520 cm:StageOneMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:WatchListMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageTwoMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:NonInvestmentGradeMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-10-31 0001045520 cm:ForeignExchangeDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2024-10-31 0001045520 ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember 2024-10-31 0001045520 ifrs-full:FinancialLiabilitiesAtAmortisedCostCategoryMember 2024-10-31 0001045520 ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember 2024-10-31 0001045520 cm:CarryingValueMember 2024-10-31 0001045520 cm:FinancialLiabilitiesFairValueOverUnderCarryingValueMember 2024-10-31 0001045520 cm:FinancialLiabilitiesAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValueCategoryMember 2024-10-31 0001045520 ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember 2024-10-31 0001045520 cm:PersonalDepositMember 2025-07-31 0001045520 cm:BusinessAndGovernmentDepositsAndSecuredBorrowingsMember 2025-07-31 0001045520 cm:BankDepositsMember 2025-07-31 0001045520 ifrs-full:LegalProceedingsContingentLiabilityMember ifrs-full:TopOfRangeMember 2025-07-31 0001045520 ifrs-full:LegalProceedingsContingentLiabilityMember ifrs-full:BottomOfRangeMember 2025-07-31 0001045520 cm:MortgageBackedSecuritiesMember ifrs-full:DebtSecuritiesMember cm:UnrealizedGainLossesOnFVOCISecuritiesMember 2025-07-31 0001045520 cm:OtherForeignGovernmentsMember ifrs-full:DebtSecuritiesMember cm:UnrealizedGainLossesOnFVOCISecuritiesMember 2025-07-31 0001045520 cm:USTreasuryAndAgenciesMember ifrs-full:DebtSecuritiesMember cm:UnrealizedGainLossesOnFVOCISecuritiesMember 2025-07-31 0001045520 cm:OtherCanadianGovernmentsMember ifrs-full:DebtSecuritiesMember cm:UnrealizedGainLossesOnFVOCISecuritiesMember 2025-07-31 0001045520 cm:CanadianFederalGovernmentMember ifrs-full:DebtSecuritiesMember cm:UnrealizedGainLossesOnFVOCISecuritiesMember 2025-07-31 0001045520 cm:UnrealizedGainLossesOnFVOCISecuritiesMember 2025-07-31 0001045520 cm:CorporateEquityMember cm:EquitySecuritiesMember cm:UnrealizedGainLossesOnFVOCISecuritiesMember 2025-07-31 0001045520 ifrs-full:DebtSecuritiesMember 2025-07-31 0001045520 cm:CorporateDebtMember ifrs-full:DebtSecuritiesMember cm:UnrealizedGainLossesOnFVOCISecuritiesMember 2025-07-31 0001045520 cm:AssetBackedSecuritiesMember ifrs-full:DebtSecuritiesMember cm:UnrealizedGainLossesOnFVOCISecuritiesMember 2025-07-31 0001045520 cm:PersonalHomeEquityAndCreditCardLinesMember 2025-07-31 0001045520 ifrs-full:NotLaterThanOneMonthMember 2025-07-31 0001045520 cm:BaseScenarioMember 2025-07-31 0001045520 cm:DownsideScenarioMember 2025-07-31 0001045520 ifrs-full:Level3OfFairValueHierarchyMember 2025-07-31 0001045520 cm:NoSpecificMaturityMember 2025-07-31 0001045520 ifrs-full:LaterThanThreeMonthsAndNotLaterThanSixMonthsMember 2025-07-31 0001045520 cm:LaterThanSixMonthsAndNotLaterThanNineMonthsMember 2025-07-31 0001045520 cm:LaterThanNineMonthsAndNotLaterThanOneYearMember 2025-07-31 0001045520 ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember 2025-07-31 0001045520 ifrs-full:LaterThanTwoYearsAndNotLaterThanFiveYearsMember 2025-07-31 0001045520 cm:OverFiveYearMember 2025-07-31 0001045520 ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember 2025-07-31 0001045520 currency:USD 2025-07-31 0001045520 cm:OtherForeignCurrenciesMember 2025-07-31 0001045520 cm:BankRecapitalizationBailinConversionRegulationsMember cm:PayableOnFixedDateMember 2025-07-31 0001045520 ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember 2025-07-31 0001045520 ifrs-full:LaterThanThreeMonthsMember 2025-07-31 0001045520 ifrs-full:ConsumerLoansMember ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember 2025-07-31 0001045520 cm:CreditCardReceivables1Member ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember 2025-07-31 0001045520 cm:CreditCardReceivables1Member ifrs-full:LaterThanThreeMonthsMember 2025-07-31 0001045520 cm:CreditCardReceivables1Member 2025-07-31 0001045520 cm:BusinessAndGovernmentMember ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember 2025-07-31 0001045520 cm:BusinessAndGovernmentMember 2025-07-31 0001045520 ifrs-full:MortgagesMember 2025-07-31 0001045520 ifrs-full:MortgagesMember ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember 2025-07-31 0001045520 ifrs-full:ConsumerLoansMember 2025-07-31 0001045520 ifrs-full:LaterThanFiveYearsMember cm:PurchaseObligationsMember 2025-07-31 0001045520 cm:PurchaseObligationsMember 2025-07-31 0001045520 ifrs-full:LaterThanThreeMonthsAndNotLaterThanSixMonthsMember cm:FutureLeaseCommitmentsMember 2025-07-31 0001045520 ifrs-full:LaterThanFiveYearsMember cm:FutureLeaseCommitmentsMember 2025-07-31 0001045520 cm:FutureLeaseCommitmentsMember 2025-07-31 0001045520 ifrs-full:LaterThanThreeMonthsAndNotLaterThanSixMonthsMember cm:InvestmentCommitmentsMember 2025-07-31 0001045520 ifrs-full:LaterThanFiveYearsMember cm:InvestmentCommitmentsMember 2025-07-31 0001045520 cm:InvestmentCommitmentsMember 2025-07-31 0001045520 ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember cm:FutureLeaseCommitmentsMember 2025-07-31 0001045520 ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember cm:InvestmentCommitmentsMember 2025-07-31 0001045520 cm:UnderwritingCommitmentsMember 2025-07-31 0001045520 cm:PensionContributionMember 2025-07-31 0001045520 ifrs-full:LaterThanFiveYearsMember 2025-07-31 0001045520 ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember cm:InvestmentCommitmentsMember 2025-07-31 0001045520 ifrs-full:LaterThanTwoYearsAndNotLaterThanFiveYearsMember cm:InvestmentCommitmentsMember 2025-07-31 0001045520 ifrs-full:NotLaterThanOneMonthMember cm:UnderwritingCommitmentsMember 2025-07-31 0001045520 ifrs-full:NotLaterThanOneMonthMember cm:PensionContributionMember 2025-07-31 0001045520 ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember cm:PensionContributionMember 2025-07-31 0001045520 ifrs-full:LaterThanTwoYearsAndNotLaterThanFiveYearsMember cm:PurchaseObligationsMember 2025-07-31 0001045520 cm:LaterThanSixMonthsAndNotLaterThanNineMonthsMember cm:FutureLeaseCommitmentsMember 2025-07-31 0001045520 cm:LaterThanNineMonthsAndNotLaterThanOneYearMember cm:FutureLeaseCommitmentsMember 2025-07-31 0001045520 ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember cm:FutureLeaseCommitmentsMember 2025-07-31 0001045520 ifrs-full:LaterThanTwoYearsAndNotLaterThanFiveYearsMember cm:FutureLeaseCommitmentsMember 2025-07-31 0001045520 cm:LaterThanSixMonthsAndNotLaterThanNineMonthsMember cm:InvestmentCommitmentsMember 2025-07-31 0001045520 ifrs-full:NotLaterThanOneMonthMember cm:PurchaseObligationsMember 2025-07-31 0001045520 ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember cm:PurchaseObligationsMember 2025-07-31 0001045520 ifrs-full:LaterThanThreeMonthsAndNotLaterThanSixMonthsMember cm:PurchaseObligationsMember 2025-07-31 0001045520 cm:LaterThanSixMonthsAndNotLaterThanNineMonthsMember cm:PurchaseObligationsMember 2025-07-31 0001045520 cm:LaterThanNineMonthsAndNotLaterThanOneYearMember cm:PurchaseObligationsMember 2025-07-31 0001045520 ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember cm:PurchaseObligationsMember 2025-07-31 0001045520 ifrs-full:OrdinarySharesMember 2025-07-31 0001045520 ifrs-full:PreferenceSharesMember 2025-07-31 0001045520 cm:CanadianGovernmentGuaranteedNationalHousingActMortgageBackedSecuritiesMember 2025-07-31 0001045520 cm:OtherLiquidAssetsMember cm:BankOwnedLiquidAssetsMember 2025-07-31 0001045520 cm:OtherLiquidAssetsMember cm:SecuritiesReceivedAsCollateralMember 2025-07-31 0001045520 cm:OtherLiquidAssetsMember 2025-07-31 0001045520 cm:BankOwnedLiquidAssetsMember 2025-07-31 0001045520 cm:SecuritiesReceivedAsCollateralMember 2025-07-31 0001045520 cm:CashAndDepositsWithBanksMember 2025-07-31 0001045520 cm:SecuritiesIssuedOrGuaranteedBySovereignsCentralBanksAndMultilateralDevelopmentBanksMember cm:BankOwnedLiquidAssetsMember 2025-07-31 0001045520 cm:SecuritiesIssuedOrGuaranteedBySovereignsCentralBanksAndMultilateralDevelopmentBanksMember cm:SecuritiesReceivedAsCollateralMember 2025-07-31 0001045520 cm:SecuritiesIssuedOrGuaranteedBySovereignsCentralBanksAndMultilateralDevelopmentBanksMember 2025-07-31 0001045520 cm:OtherDebtSecurityMember cm:BankOwnedLiquidAssetsMember 2025-07-31 0001045520 cm:OtherDebtSecurityMember cm:SecuritiesReceivedAsCollateralMember 2025-07-31 0001045520 cm:CashAndDepositsWithBanksMember cm:BankOwnedLiquidAssetsMember 2025-07-31 0001045520 cm:OtherDebtSecurityMember 2025-07-31 0001045520 cm:EquitiesMember cm:BankOwnedLiquidAssetsMember 2025-07-31 0001045520 cm:EquitiesMember cm:SecuritiesReceivedAsCollateralMember 2025-07-31 0001045520 cm:EquitiesMember 2025-07-31 0001045520 cm:CanadianGovernmentGuaranteedNationalHousingActMortgageBackedSecuritiesMember cm:BankOwnedLiquidAssetsMember 2025-07-31 0001045520 cm:CanadianGovernmentGuaranteedNationalHousingActMortgageBackedSecuritiesMember cm:SecuritiesReceivedAsCollateralMember 2025-07-31 0001045520 ifrs-full:OtherAssetsMember cm:StageThreeMember ifrs-full:FinancialInstrumentsCreditimpairedMember 2025-07-31 0001045520 ifrs-full:NotLaterThanOneMonthMember cm:StandbyAndPerformanceLettersOfCreditMember 2025-07-31 0001045520 ifrs-full:NotLaterThanOneMonthMember cm:DocumentaryAndCommercialLettersOfCreditMember 2025-07-31 0001045520 ifrs-full:NotLaterThanOneMonthMember cm:OtherCommitmentsToExtendCreditMember 2025-07-31 0001045520 ifrs-full:NotLaterThanOneMonthMember cm:UnutilizedCreditCommitmentsMember 2025-07-31 0001045520 ifrs-full:LaterThanTwoYearsAndNotLaterThanFiveYearsMember cm:DocumentaryAndCommercialLettersOfCreditMember 2025-07-31 0001045520 cm:LaterThanNineMonthsAndNotLaterThanOneYearMember cm:BackstopLiquidityFacilitiesMember 2025-07-31 0001045520 ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember cm:BackstopLiquidityFacilitiesMember 2025-07-31 0001045520 ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember cm:DocumentaryAndCommercialLettersOfCreditMember 2025-07-31 0001045520 ifrs-full:LaterThanThreeMonthsAndNotLaterThanSixMonthsMember cm:DocumentaryAndCommercialLettersOfCreditMember 2025-07-31 0001045520 cm:LaterThanSixMonthsAndNotLaterThanNineMonthsMember cm:DocumentaryAndCommercialLettersOfCreditMember 2025-07-31 0001045520 cm:LaterThanNineMonthsAndNotLaterThanOneYearMember cm:DocumentaryAndCommercialLettersOfCreditMember 2025-07-31 0001045520 ifrs-full:LaterThanTwoYearsAndNotLaterThanFiveYearsMember cm:StandbyAndPerformanceLettersOfCreditMember 2025-07-31 0001045520 ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember cm:BackstopLiquidityFacilitiesMember 2025-07-31 0001045520 ifrs-full:LaterThanThreeMonthsAndNotLaterThanSixMonthsMember cm:BackstopLiquidityFacilitiesMember 2025-07-31 0001045520 cm:LaterThanSixMonthsAndNotLaterThanNineMonthsMember cm:BackstopLiquidityFacilitiesMember 2025-07-31 0001045520 cm:StandbyAndPerformanceLettersOfCreditMember 2025-07-31 0001045520 cm:BackstopLiquidityFacilitiesMember 2025-07-31 0001045520 cm:DocumentaryAndCommercialLettersOfCreditMember 2025-07-31 0001045520 cm:NoSpecificMaturityMember cm:OtherCommitmentsToExtendCreditMember 2025-07-31 0001045520 cm:OtherCommitmentsToExtendCreditMember 2025-07-31 0001045520 ifrs-full:LaterThanFiveYearsMember cm:UnutilizedCreditCommitmentsMember 2025-07-31 0001045520 cm:NoSpecificMaturityMember cm:UnutilizedCreditCommitmentsMember 2025-07-31 0001045520 cm:UnutilizedCreditCommitmentsMember 2025-07-31 0001045520 ifrs-full:LaterThanFiveYearsMember cm:StandbyAndPerformanceLettersOfCreditMember 2025-07-31 0001045520 ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember cm:StandbyAndPerformanceLettersOfCreditMember 2025-07-31 0001045520 ifrs-full:LaterThanThreeMonthsAndNotLaterThanSixMonthsMember cm:StandbyAndPerformanceLettersOfCreditMember 2025-07-31 0001045520 cm:LaterThanSixMonthsAndNotLaterThanNineMonthsMember cm:StandbyAndPerformanceLettersOfCreditMember 2025-07-31 0001045520 cm:LaterThanNineMonthsAndNotLaterThanOneYearMember cm:StandbyAndPerformanceLettersOfCreditMember 2025-07-31 0001045520 ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember cm:StandbyAndPerformanceLettersOfCreditMember 2025-07-31 0001045520 ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember cm:UnutilizedCreditCommitmentsMember 2025-07-31 0001045520 ifrs-full:LaterThanThreeMonthsAndNotLaterThanSixMonthsMember cm:UnutilizedCreditCommitmentsMember 2025-07-31 0001045520 cm:LaterThanSixMonthsAndNotLaterThanNineMonthsMember cm:UnutilizedCreditCommitmentsMember 2025-07-31 0001045520 cm:LaterThanNineMonthsAndNotLaterThanOneYearMember cm:UnutilizedCreditCommitmentsMember 2025-07-31 0001045520 ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember cm:UnutilizedCreditCommitmentsMember 2025-07-31 0001045520 ifrs-full:LaterThanTwoYearsAndNotLaterThanFiveYearsMember cm:UnutilizedCreditCommitmentsMember 2025-07-31 0001045520 cm:PersonalDepositMember cm:PayableOnDemandMember 2025-07-31 0001045520 cm:PersonalDepositMember cm:PayableAfterNoticeMember 2025-07-31 0001045520 cm:PersonalDepositMember cm:PayableOnFixedDateMember 2025-07-31 0001045520 cm:PayableOnDemandMember 2025-07-31 0001045520 cm:BusinessAndGovernmentDepositsMember cm:PayableAfterNoticeMember 2025-07-31 0001045520 cm:BusinessAndGovernmentDepositsMember cm:PayableOnDemandMember 2025-07-31 0001045520 cm:BusinessAndGovernmentDepositsMember 2025-07-31 0001045520 cm:BusinessAndGovernmentDepositsMember cm:PayableOnFixedDateMember 2025-07-31 0001045520 cm:InterestBearingDepositsWithBanksMember country:CA 2025-07-31 0001045520 cm:BankDepositsMember cm:PayableAfterNoticeMember 2025-07-31 0001045520 cm:SecuredBorrowingsMember 2025-07-31 0001045520 cm:NonInterestBearingDepositsMember country:CA 2025-07-31 0001045520 cm:NonInterestBearingDepositsMember cm:OtherInternationalMember 2025-07-31 0001045520 cm:BankDepositsMember cm:PayableOnFixedDateMember 2025-07-31 0001045520 cm:BankDepositsMember cm:PayableOnDemandMember 2025-07-31 0001045520 cm:SecuredBorrowingsMember cm:PayableOnFixedDateMember 2025-07-31 0001045520 cm:InterestBearingDepositsWithBanksMember country:US 2025-07-31 0001045520 cm:InterestBearingDepositsWithBanksMember cm:OtherInternationalMember 2025-07-31 0001045520 cm:NonInterestBearingDepositsMember country:US 2025-07-31 0001045520 cm:PayableAfterNoticeMember 2025-07-31 0001045520 cm:PayableOnFixedDateMember 2025-07-31 0001045520 cm:StageOneMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageThreeMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageTwoMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-07-31 0001045520 ifrs-full:FinancialLiabilitiesAtAmortisedCostMember 2025-07-31 0001045520 ifrs-full:FinancialLiabilitiesAtFairValueMember 2025-07-31 0001045520 cm:GovernmentIssuedOrGuaranteedMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:GovernmentIssuedOrGuaranteedMember ifrs-full:Level2OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:GovernmentIssuedOrGuaranteedMember ifrs-full:Level1OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:CorporateDebtMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:MortgageAndAssetBackedMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:MortgageAndAssetBackedMember ifrs-full:Level2OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:CorporateDebtMember ifrs-full:Level2OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 ifrs-full:Level2OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 ifrs-full:Level1OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:CorporateDebtMember ifrs-full:Level3OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:MortgageAndAssetBackedMember ifrs-full:Level3OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 ifrs-full:Level3OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 ifrs-full:FinancialAssetsAtFairValueMember 2025-07-31 0001045520 cm:CarryingValueMember 2025-07-31 0001045520 ifrs-full:FinancialAssetsAtAmortisedCostCategoryMember 2025-07-31 0001045520 cm:RetailPortfoliosMember cm:DrawnMember 2025-07-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:RepoStyleTransactionsMember cm:StandardizedApproachRiskMember 2025-07-31 0001045520 cm:RetailPortfoliosMember cm:UndrawnCommitmentsMember cm:InternalRatingsBasedMember 2025-07-31 0001045520 cm:InternalRatingsBasedMember 2025-07-31 0001045520 cm:StandardizedApproachRiskMember 2025-07-31 0001045520 ifrs-full:GrossCarryingAmountMember cm:InternalRatingsBasedMember 2025-07-31 0001045520 ifrs-full:GrossCarryingAmountMember cm:StandardizedApproachRiskMember 2025-07-31 0001045520 ifrs-full:GrossCarryingAmountMember 2025-07-31 0001045520 cm:RetailPortfoliosMember cm:DrawnMember cm:InternalRatingsBasedMember 2025-07-31 0001045520 cm:RetailPortfoliosMember cm:DrawnMember cm:StandardizedApproachRiskMember 2025-07-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:InternalRatingsBasedMember 2025-07-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:StandardizedApproachRiskMember 2025-07-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember 2025-07-31 0001045520 cm:RetailPortfoliosMember cm:OtherOffBalanceSheetItemsMember cm:StandardizedApproachRiskMember 2025-07-31 0001045520 cm:RetailPortfoliosMember cm:OtherOffBalanceSheetItemsMember 2025-07-31 0001045520 cm:RepoStyleTransactionCollateralMember cm:BusinessAndGovernmentPortfoliosMember cm:InternalRatingsBasedMember 2025-07-31 0001045520 cm:RepoStyleTransactionCollateralMember cm:BusinessAndGovernmentPortfoliosMember 2025-07-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:DrawnMember cm:StandardizedApproachRiskMember 2025-07-31 0001045520 cm:RetailPortfoliosMember cm:UndrawnCommitmentsMember 2025-07-31 0001045520 cm:RetailPortfoliosMember cm:OtherOffBalanceSheetItemsMember cm:InternalRatingsBasedMember 2025-07-31 0001045520 cm:SecuritizationExposuresMember cm:InternalRatingsBasedMember 2025-07-31 0001045520 cm:SecuritizationExposuresMember cm:StandardizedApproachRiskMember 2025-07-31 0001045520 cm:SecuritizationExposuresMember 2025-07-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:DrawnMember cm:InternalRatingsBasedMember 2025-07-31 0001045520 ifrs-full:GrossCarryingAmountMember cm:RetailPortfoliosMember cm:InternalRatingsBasedMember 2025-07-31 0001045520 ifrs-full:GrossCarryingAmountMember cm:RetailPortfoliosMember cm:StandardizedApproachRiskMember 2025-07-31 0001045520 ifrs-full:GrossCarryingAmountMember cm:RetailPortfoliosMember 2025-07-31 0001045520 ifrs-full:GrossCarryingAmountMember cm:BusinessAndGovernmentPortfoliosMember cm:InternalRatingsBasedMember 2025-07-31 0001045520 ifrs-full:GrossCarryingAmountMember cm:BusinessAndGovernmentPortfoliosMember cm:StandardizedApproachRiskMember 2025-07-31 0001045520 ifrs-full:GrossCarryingAmountMember cm:BusinessAndGovernmentPortfoliosMember 2025-07-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:OverTheCounterDerivativesMember cm:InternalRatingsBasedMember 2025-07-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:OverTheCounterDerivativesMember cm:StandardizedApproachRiskMember 2025-07-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:OverTheCounterDerivativesMember 2025-07-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:OtherOffBalanceSheetItemsMember cm:InternalRatingsBasedMember 2025-07-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:OtherOffBalanceSheetItemsMember cm:StandardizedApproachRiskMember 2025-07-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:OtherOffBalanceSheetItemsMember 2025-07-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:RepoStyleTransactionsMember cm:InternalRatingsBasedMember 2025-07-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:RepoStyleTransactionsMember 2025-07-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:UndrawnCommitmentsMember cm:InternalRatingsBasedMember 2025-07-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:UndrawnCommitmentsMember cm:StandardizedApproachRiskMember 2025-07-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:UndrawnCommitmentsMember 2025-07-31 0001045520 cm:BusinessAndGovernmentPortfoliosMember cm:DrawnMember 2025-07-31 0001045520 cm:RetailPortfoliosMember cm:UndrawnCommitmentsMember cm:StandardizedApproachRiskMember 2025-07-31 0001045520 ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember 2025-07-31 0001045520 ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValueCategoryMember 2025-07-31 0001045520 cm:FinancialAssetsFairValueOverUnderCarryingValueMember 2025-07-31 0001045520 cm:CorporateEquityMember ifrs-full:Level2OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:CorporateEquityMember ifrs-full:Level3OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:CorporateEquityMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:CorporateEquityMember ifrs-full:Level1OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 ifrs-full:OtherAssetsMember ifrs-full:Level2OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 ifrs-full:OtherAssetsMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:StageTwoMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:VeryLowMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageTwoMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:NotRatedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageThreeMember ifrs-full:FinancialInstrumentsCreditimpairedMember cm:NotRatedMember 2025-07-31 0001045520 cm:StageOneMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:NotRatedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageOneMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:ExceptionallyLowMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageThreeMember ifrs-full:FinancialInstrumentsCreditimpairedMember cm:DefaultMember 2025-07-31 0001045520 cm:StageTwoMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:MediumMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-07-31 0001045520 cm:VeryLowMember 2025-07-31 0001045520 cm:StageOneMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:HighMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageOneMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:MediumMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageOneMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:VeryLowMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageTwoMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:ExceptionallyLowMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-07-31 0001045520 cm:ExceptionallyLowMember 2025-07-31 0001045520 cm:NotRatedMember 2025-07-31 0001045520 cm:StageThreeMember ifrs-full:FinancialInstrumentsCreditimpairedMember 2025-07-31 0001045520 cm:DefaultMember 2025-07-31 0001045520 cm:MediumMember 2025-07-31 0001045520 cm:StageTwoMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:LowMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-07-31 0001045520 cm:LowMember 2025-07-31 0001045520 cm:StageTwoMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:HighMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageOneMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:LowMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-07-31 0001045520 cm:HighMember 2025-07-31 0001045520 cm:InterestRateDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:InterestRateDerivativesMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:CreditDerivativesMember ifrs-full:Level2OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:PreciousMetalAndOtherCommodityDerivativesMember ifrs-full:Level1OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:PreciousMetalAndOtherCommodityDerivativesMember ifrs-full:Level2OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:InterestRateDerivativesMember ifrs-full:Level1OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:InterestRateDerivativesMember ifrs-full:Level2OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:CreditDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:CreditDerivativesMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:PreciousMetalAndOtherCommodityDerivativesMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:ForeignExchangeDerivativesMember ifrs-full:Level2OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:ForeignExchangeDerivativesMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:EquityDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:EquityDerivativesMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:EquityDerivativesMember ifrs-full:Level1OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:EquityDerivativesMember ifrs-full:Level2OfFairValueHierarchyMember ifrs-full:AtFairValueMember 2025-07-31 0001045520 cm:StageThreeMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsCreditimpairedMember 2025-07-31 0001045520 cm:StageTwoMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageThreeMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsCreditimpairedMember 2025-07-31 0001045520 cm:StageTwoMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageOneMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageOneMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageTwoMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageOneMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageThreeMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsCreditimpairedMember 2025-07-31 0001045520 cm:LoansToBusinessAndGovernmentMember 2025-07-31 0001045520 cm:StageTwoMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:LowMember ifrs-full:LifetimeExpectedCreditLossesMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:LoansToBusinessAndGovernmentMember cm:NonInvestmentGradeMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:LoansToBusinessAndGovernmentMember cm:NotRatedMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageTwoMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:NotRatedMember ifrs-full:LifetimeExpectedCreditLossesMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageThreeMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsCreditimpairedMember cm:DefaultMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:WatchListMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageThreeMember cm:RetailMember ifrs-full:FinancialInstrumentsCreditimpairedMember cm:DefaultMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageOneMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:LowMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:NonInvestmentGradeMember ifrs-full:LifetimeExpectedCreditLossesMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageOneMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:HighMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:RetailMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:RetailMember cm:LowMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageOneMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:MediumMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageTwoMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember cm:NetCreditExposureMember 2025-07-31 0001045520 cm:RetailMember cm:DefaultMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageOneMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:NetCreditExposureMember 2025-07-31 0001045520 cm:StageOneMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:NetCreditExposureMember 2025-07-31 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:InvestmentGradeMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:RetailMember cm:ExceptionallyLowMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:LoansToBusinessAndGovernmentMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:NetCreditExposureMember 2025-07-31 0001045520 cm:StageOneMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:VeryLowMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:NotRatedMember ifrs-full:LifetimeExpectedCreditLossesMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:RetailMember cm:MediumMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageTwoMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:VeryLowMember ifrs-full:LifetimeExpectedCreditLossesMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageThreeMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsCreditimpairedMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:RetailMember cm:VeryLowMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:RetailMember cm:HighMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageThreeMember cm:RetailMember ifrs-full:FinancialInstrumentsCreditimpairedMember cm:NetCreditExposureMember 2025-07-31 0001045520 cm:RetailMember cm:NotRatedMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageTwoMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageThreeMember cm:RetailMember ifrs-full:FinancialInstrumentsCreditimpairedMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageThreeMember ifrs-full:FinancialInstrumentsCreditimpairedMember cm:NetCreditExposureMember 2025-07-31 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember cm:NetCreditExposureMember 2025-07-31 0001045520 cm:LoansToBusinessAndGovernmentMember cm:NetCreditExposureMember 2025-07-31 0001045520 cm:StageTwoMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:MediumMember ifrs-full:LifetimeExpectedCreditLossesMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageOneMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:WatchListMember ifrs-full:LifetimeExpectedCreditLossesMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:LoansToBusinessAndGovernmentMember cm:WatchListMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:NonInvestmentGradeMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:LoansToBusinessAndGovernmentMember cm:DefaultMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:NotRatedMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:LoansToBusinessAndGovernmentMember cm:InvestmentGradeMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageThreeMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsCreditimpairedMember cm:NetCreditExposureMember 2025-07-31 0001045520 cm:StageTwoMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:HighMember ifrs-full:LifetimeExpectedCreditLossesMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageTwoMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember cm:NetCreditExposureMember 2025-07-31 0001045520 cm:RetailMember cm:NetCreditExposureMember 2025-07-31 0001045520 cm:StageTwoMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:ExceptionallyLowMember ifrs-full:LifetimeExpectedCreditLossesMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageOneMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:NotRatedMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:NetCreditExposureMember 2025-07-31 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:InvestmentGradeMember ifrs-full:LifetimeExpectedCreditLossesMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:StageOneMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:ExceptionallyLowMember ifrs-full:TwelvemonthExpectedCreditLossesMember cm:GrossCreditExposureMember 2025-07-31 0001045520 cm:RetailMember 2025-07-31 0001045520 cm:StageTwoMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageOneMember cm:RetailMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-07-31 0001045520 cm:WatchListMember 2025-07-31 0001045520 cm:NonInvestmentGradeMember 2025-07-31 0001045520 cm:StageOneMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:InvestmentGradeMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-07-31 0001045520 cm:InvestmentGradeMember 2025-07-31 0001045520 cm:StageOneMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:WatchListMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageTwoMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:WatchListMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageTwoMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:NonInvestmentGradeMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageTwoMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:InvestmentGradeMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageOneMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember cm:NonInvestmentGradeMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-07-31 0001045520 ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember 2025-07-31 0001045520 ifrs-full:FinancialLiabilitiesAtAmortisedCostCategoryMember 2025-07-31 0001045520 ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember 2025-07-31 0001045520 cm:CarryingValueMember 2025-07-31 0001045520 cm:FinancialLiabilitiesFairValueOverUnderCarryingValueMember 2025-07-31 0001045520 cm:FinancialLiabilitiesAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValueCategoryMember 2025-07-31 0001045520 ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember 2025-07-31 0001045520 cm:WoodardMember 2025-07-31 0001045520 cm:PozgajMember 2025-07-31 0001045520 cm:NonCumulativeRateResetSeriesFortyThreeClassPreferredSharesMember 2025-07-31 0001045520 cm:HigherBufferRateMember 2025-07-31 0001045520 cm:BaselIIIMember ifrs-full:BottomOfRangeMember 2025-07-31 0001045520 cm:BaselIIIMember 2025-07-31 0001045520 cm:StageOneMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-04-30 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-04-30 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-04-30 0001045520 cm:CreditCardReceivables1Member 2024-04-30 0001045520 cm:StageTwoMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-04-30 0001045520 cm:LoansToBusinessAndGovernmentMember 2024-04-30 0001045520 cm:StageThreeMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-04-30 0001045520 cm:StageThreeMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-04-30 0001045520 cm:StageOneMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-04-30 0001045520 cm:StageThreeMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-04-30 0001045520 ifrs-full:ConsumerLoansMember 2024-04-30 0001045520 cm:StageTwoMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-04-30 0001045520 ifrs-full:MortgagesMember 2024-04-30 0001045520 cm:StageOneMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-04-30 0001045520 cm:StageTwoMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-04-30 0001045520 ifrs-full:OrdinarySharesMember 2024-04-30 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfRemeasurementsOfDefinedBenefitPlansMember 2024-04-30 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiabilityMember 2024-04-30 0001045520 ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember ifrs-full:AccumulatedOtherComprehensiveIncomeMember 2024-04-30 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfCashFlowHedgesMember 2024-04-30 0001045520 ifrs-full:RetainedEarningsMember 2024-04-30 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember 2024-04-30 0001045520 ifrs-full:PreferenceSharesMember 2024-04-30 0001045520 ifrs-full:AdditionalPaidinCapitalMember 2024-04-30 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember cm:ReserveOfEquitySecuritiesDesignatedAtFairValueOfOtherComprehensiveIncomeMember 2024-04-30 0001045520 ifrs-full:NoncontrollingInterestsMember 2024-04-30 0001045520 cm:StageTwoMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember cm:FinancialInstrumentsPerformingMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-04-30 0001045520 cm:StageThreeMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-04-30 0001045520 ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember 2024-04-30 0001045520 cm:StageOneMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember cm:FinancialInstrumentsPerformingMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-04-30 0001045520 ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember 2024-07-31 0001045520 cm:StageThreeMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-07-31 0001045520 cm:StageTwoMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember cm:FinancialInstrumentsPerformingMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-07-31 0001045520 cm:StageOneMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember cm:FinancialInstrumentsPerformingMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-07-31 0001045520 cm:StageThreeMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtAmortizedCostsMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-07-31 0001045520 ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtAmortizedCostsMember 2024-07-31 0001045520 cm:StageOneMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFVOCIMember cm:FinancialInstrumentsPerformingMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-07-31 0001045520 cm:StageTwoMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFVOCIMember cm:FinancialInstrumentsPerformingMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-07-31 0001045520 ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFVOCIMember 2024-07-31 0001045520 cm:StageOneMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtAmortizedCostsMember cm:FinancialInstrumentsPerformingMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-07-31 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-07-31 0001045520 cm:LoansToBusinessAndGovernmentMember 2024-07-31 0001045520 cm:CreditCardReceivables1Member 2024-07-31 0001045520 cm:StageOneMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-07-31 0001045520 cm:StageThreeMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-07-31 0001045520 cm:StageOneMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-07-31 0001045520 cm:StageOneMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-07-31 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-07-31 0001045520 ifrs-full:ConsumerLoansMember 2024-07-31 0001045520 cm:StageThreeMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-07-31 0001045520 ifrs-full:MortgagesMember 2024-07-31 0001045520 cm:StageThreeMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-07-31 0001045520 cm:StageTwoMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-07-31 0001045520 cm:StageTwoMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-07-31 0001045520 cm:StageTwoMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-07-31 0001045520 ifrs-full:OrdinarySharesMember 2024-07-31 0001045520 cm:LoansMeasuredAtFVTPLMember cm:BusinessAndGovernmentMember ifrs-full:Level3OfFairValueHierarchyMember 2024-04-30 0001045520 cm:EquitySecuritiesMandatorilyMeasuredAtFVTPLDesignatedAtFVOCIMember cm:CorporateEquityMember ifrs-full:Level3OfFairValueHierarchyMember 2024-04-30 0001045520 cm:DerivativeAssetsMember cm:InterestRateDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-04-30 0001045520 cm:DerivativeAssetsMember cm:CreditDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-04-30 0001045520 cm:DerivativeAssetsMember cm:EquityDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-04-30 0001045520 ifrs-full:Level3OfFairValueHierarchyMember 2024-04-30 0001045520 cm:DebtSecuritiesMeasuredAtFVTPLMember cm:MortgageAndAssetBackedMember ifrs-full:Level3OfFairValueHierarchyMember 2024-04-30 0001045520 cm:LoansMeasuredAtFVTPLMember cm:BusinessAndGovernmentMember ifrs-full:Level3OfFairValueHierarchyMember 2024-07-31 0001045520 cm:EquitySecuritiesMandatorilyMeasuredAtFVTPLDesignatedAtFVOCIMember cm:CorporateEquityMember ifrs-full:Level3OfFairValueHierarchyMember 2024-07-31 0001045520 cm:DerivativeAssetsMember cm:InterestRateDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-07-31 0001045520 cm:DerivativeAssetsMember cm:CreditDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-07-31 0001045520 cm:DerivativeAssetsMember cm:EquityDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-07-31 0001045520 cm:DebtSecuritiesMeasuredAtFVTPLMember cm:MortgageAndAssetBackedMember ifrs-full:Level3OfFairValueHierarchyMember 2024-07-31 0001045520 cm:DepositsAndOtherLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-04-30 0001045520 cm:InterestRateDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-04-30 0001045520 cm:ForeignExchangeDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-04-30 0001045520 cm:CreditDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-04-30 0001045520 cm:EquityDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-04-30 0001045520 cm:CreditDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-07-31 0001045520 cm:ForeignExchangeDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-07-31 0001045520 cm:InterestRateDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-07-31 0001045520 cm:EquityDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-07-31 0001045520 cm:DepositsAndOtherLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-07-31 0001045520 ifrs-full:PreferenceSharesMember 2024-07-31 0001045520 ifrs-full:NoncontrollingInterestsMember 2024-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember cm:ReserveOfEquitySecuritiesDesignatedAtFairValueOfOtherComprehensiveIncomeMember 2024-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember 2024-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiabilityMember 2024-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfRemeasurementsOfDefinedBenefitPlansMember 2024-07-31 0001045520 ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember ifrs-full:AccumulatedOtherComprehensiveIncomeMember 2024-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfCashFlowHedgesMember 2024-07-31 0001045520 ifrs-full:RetainedEarningsMember 2024-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember 2024-07-31 0001045520 ifrs-full:AdditionalPaidinCapitalMember 2024-07-31 0001045520 cm:StageOneMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-04-30 0001045520 cm:StageThreeMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-04-30 0001045520 cm:StageTwoMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-04-30 0001045520 ifrs-full:ConsumerLoansMember 2025-04-30 0001045520 cm:StageTwoMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-04-30 0001045520 ifrs-full:MortgagesMember 2025-04-30 0001045520 cm:StageThreeMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-04-30 0001045520 cm:LoansToBusinessAndGovernmentMember 2025-04-30 0001045520 cm:StageTwoMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-04-30 0001045520 cm:CreditCardReceivables1Member 2025-04-30 0001045520 cm:StageOneMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-04-30 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-04-30 0001045520 cm:StageOneMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-04-30 0001045520 cm:StageThreeMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-04-30 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-04-30 0001045520 ifrs-full:OrdinarySharesMember 2025-04-30 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember cm:ReserveOfEquitySecuritiesDesignatedAtFairValueOfOtherComprehensiveIncomeMember 2025-04-30 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfCashFlowHedgesMember 2025-04-30 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfRemeasurementsOfDefinedBenefitPlansMember 2025-04-30 0001045520 ifrs-full:PreferenceSharesMember 2025-04-30 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember 2025-04-30 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiabilityMember 2025-04-30 0001045520 ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember ifrs-full:AccumulatedOtherComprehensiveIncomeMember 2025-04-30 0001045520 ifrs-full:NoncontrollingInterestsMember 2025-04-30 0001045520 ifrs-full:RetainedEarningsMember 2025-04-30 0001045520 ifrs-full:AdditionalPaidinCapitalMember 2025-04-30 0001045520 ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember 2025-04-30 0001045520 cm:StageOneMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember cm:FinancialInstrumentsPerformingMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-04-30 0001045520 cm:StageTwoMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember cm:FinancialInstrumentsPerformingMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-04-30 0001045520 cm:StageThreeMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-04-30 0001045520 cm:StageOneMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember cm:FinancialInstrumentsPerformingMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageTwoMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember cm:FinancialInstrumentsPerformingMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageThreeMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-07-31 0001045520 ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember 2025-07-31 0001045520 cm:StageOneMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFVOCIMember cm:FinancialInstrumentsPerformingMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageTwoMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFVOCIMember cm:FinancialInstrumentsPerformingMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-07-31 0001045520 ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFVOCIMember 2025-07-31 0001045520 cm:StageOneMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtAmortizedCostsMember cm:FinancialInstrumentsPerformingMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageThreeMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtAmortizedCostsMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-07-31 0001045520 ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtAmortizedCostsMember 2025-07-31 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-07-31 0001045520 cm:LoansToBusinessAndGovernmentMember 2025-07-31 0001045520 cm:StageThreeMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-07-31 0001045520 cm:CreditCardReceivables1Member 2025-07-31 0001045520 cm:StageTwoMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageOneMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageTwoMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageOneMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageOneMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-07-31 0001045520 cm:StageThreeMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-07-31 0001045520 ifrs-full:MortgagesMember 2025-07-31 0001045520 cm:StageThreeMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-07-31 0001045520 ifrs-full:ConsumerLoansMember 2025-07-31 0001045520 cm:StageTwoMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-07-31 0001045520 cm:DerivativeAssetsMember cm:EquityDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-04-30 0001045520 cm:DerivativeAssetsMember cm:CreditDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-04-30 0001045520 cm:DerivativeAssetsMember cm:InterestRateDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-04-30 0001045520 cm:EquitySecuritiesMandatorilyMeasuredAtFVTPLDesignatedAtFVOCIMember cm:CorporateEquityMember ifrs-full:Level3OfFairValueHierarchyMember 2025-04-30 0001045520 cm:LoansMeasuredAtFVTPLMember cm:BusinessAndGovernmentMember ifrs-full:Level3OfFairValueHierarchyMember 2025-04-30 0001045520 cm:DebtSecuritiesMeasuredAtFVTPLMember cm:MortgageAndAssetBackedMember ifrs-full:Level3OfFairValueHierarchyMember 2025-04-30 0001045520 cm:DebtSecuritiesMeasuredAtFVTPLMember cm:CorporateDebtMember ifrs-full:Level3OfFairValueHierarchyMember 2025-04-30 0001045520 cm:DebtSecuritiesMeasuredAtFVTPLMember cm:MortgageAndAssetBackedMember ifrs-full:Level3OfFairValueHierarchyMember 2025-07-31 0001045520 cm:LoansMeasuredAtFVTPLMember cm:BusinessAndGovernmentMember ifrs-full:Level3OfFairValueHierarchyMember 2025-07-31 0001045520 cm:EquitySecuritiesMandatorilyMeasuredAtFVTPLDesignatedAtFVOCIMember cm:CorporateEquityMember ifrs-full:Level3OfFairValueHierarchyMember 2025-07-31 0001045520 cm:DerivativeAssetsMember cm:InterestRateDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-07-31 0001045520 cm:DerivativeAssetsMember cm:CreditDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-07-31 0001045520 cm:DerivativeAssetsMember cm:EquityDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-07-31 0001045520 cm:DebtSecuritiesMeasuredAtFVTPLMember cm:CorporateDebtMember ifrs-full:Level3OfFairValueHierarchyMember 2025-07-31 0001045520 cm:ForeignExchangeDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-04-30 0001045520 cm:CreditDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-04-30 0001045520 cm:EquityDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-04-30 0001045520 cm:DepositsAndOtherLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-04-30 0001045520 cm:InterestRateDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-04-30 0001045520 cm:InterestRateDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-07-31 0001045520 cm:DepositsAndOtherLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-07-31 0001045520 cm:EquityDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-07-31 0001045520 cm:CreditDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-07-31 0001045520 ifrs-full:RetainedEarningsMember 2025-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember 2025-07-31 0001045520 ifrs-full:AdditionalPaidinCapitalMember 2025-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfCashFlowHedgesMember 2025-07-31 0001045520 ifrs-full:NoncontrollingInterestsMember 2025-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember cm:ReserveOfEquitySecuritiesDesignatedAtFairValueOfOtherComprehensiveIncomeMember 2025-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiabilityMember 2025-07-31 0001045520 ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember ifrs-full:AccumulatedOtherComprehensiveIncomeMember 2025-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember 2025-07-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfRemeasurementsOfDefinedBenefitPlansMember 2025-07-31 0001045520 cm:StageThreeMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-01-31 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-01-31 0001045520 cm:StageTwoMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-01-31 0001045520 cm:StageOneMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-01-31 0001045520 ifrs-full:MortgagesMember 2025-01-31 0001045520 cm:StageThreeMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-01-31 0001045520 cm:StageOneMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-01-31 0001045520 cm:StageTwoMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-01-31 0001045520 ifrs-full:ConsumerLoansMember 2025-01-31 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-01-31 0001045520 cm:LoansToBusinessAndGovernmentMember 2025-01-31 0001045520 cm:StageOneMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-01-31 0001045520 cm:StageTwoMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-01-31 0001045520 cm:StageThreeMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-01-31 0001045520 cm:CreditCardReceivables1Member 2025-01-31 0001045520 cm:StageOneMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember cm:FinancialInstrumentsPerformingMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-01-31 0001045520 cm:StageTwoMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember cm:FinancialInstrumentsPerformingMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-01-31 0001045520 cm:StageThreeMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-01-31 0001045520 ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember 2025-01-31 0001045520 cm:StageOneMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFVOCIMember cm:FinancialInstrumentsPerformingMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-04-30 0001045520 cm:StageTwoMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFVOCIMember cm:FinancialInstrumentsPerformingMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-04-30 0001045520 ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFVOCIMember 2025-04-30 0001045520 cm:StageOneMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtAmortizedCostsMember cm:FinancialInstrumentsPerformingMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2025-04-30 0001045520 cm:StageThreeMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtAmortizedCostsMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2025-04-30 0001045520 ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtAmortizedCostsMember 2025-04-30 0001045520 ifrs-full:Level3OfFairValueHierarchyMember 2025-01-31 0001045520 cm:DerivativeAssetsMember cm:EquityDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-01-31 0001045520 cm:DerivativeAssetsMember cm:CreditDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-01-31 0001045520 cm:DerivativeAssetsMember cm:ForeignExchangeDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-01-31 0001045520 cm:DerivativeAssetsMember cm:InterestRateDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-01-31 0001045520 cm:EquitySecuritiesMandatorilyMeasuredAtFVTPLDesignatedAtFVOCIMember cm:CorporateEquityMember ifrs-full:Level3OfFairValueHierarchyMember 2025-01-31 0001045520 cm:LoansMeasuredAtFVTPLMember cm:BusinessAndGovernmentMember ifrs-full:Level3OfFairValueHierarchyMember 2025-01-31 0001045520 cm:DebtSecuritiesMeasuredAtFVTPLMember cm:MortgageAndAssetBackedMember ifrs-full:Level3OfFairValueHierarchyMember 2025-01-31 0001045520 cm:DebtSecuritiesMeasuredAtFVTPLMember cm:CorporateDebtMember ifrs-full:Level3OfFairValueHierarchyMember 2025-01-31 0001045520 cm:InterestRateDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-01-31 0001045520 cm:DepositsAndOtherLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-01-31 0001045520 cm:CreditDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-01-31 0001045520 cm:EquityDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2025-01-31 0001045520 cm:LoansToBusinessAndGovernmentMember 2024-10-31 0001045520 cm:StageThreeMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageTwoMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageThreeMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageOneMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-10-31 0001045520 ifrs-full:ConsumerLoansMember 2024-10-31 0001045520 cm:StageOneMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageTwoMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageOneMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-10-31 0001045520 ifrs-full:MortgagesMember 2024-10-31 0001045520 cm:CreditCardReceivables1Member 2024-10-31 0001045520 cm:StageTwoMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageThreeMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-10-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfRemeasurementsOfDefinedBenefitPlansMember 2024-10-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiabilityMember 2024-10-31 0001045520 ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember ifrs-full:AccumulatedOtherComprehensiveIncomeMember 2024-10-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfCashFlowHedgesMember 2024-10-31 0001045520 ifrs-full:RetainedEarningsMember 2024-10-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember 2024-10-31 0001045520 ifrs-full:AdditionalPaidinCapitalMember 2024-10-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember cm:ReserveOfEquitySecuritiesDesignatedAtFairValueOfOtherComprehensiveIncomeMember 2024-10-31 0001045520 ifrs-full:NoncontrollingInterestsMember 2024-10-31 0001045520 ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember 2024-10-31 0001045520 cm:StageOneMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember cm:FinancialInstrumentsPerformingMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageTwoMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember cm:FinancialInstrumentsPerformingMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-10-31 0001045520 cm:StageThreeMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2024-10-31 0001045520 cm:EquitySecuritiesMandatorilyMeasuredAtFVTPLDesignatedAtFVOCIMember cm:CorporateEquityMember ifrs-full:Level3OfFairValueHierarchyMember 2024-10-31 0001045520 cm:DerivativeAssetsMember cm:InterestRateDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-10-31 0001045520 cm:DerivativeAssetsMember cm:CreditDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-10-31 0001045520 ifrs-full:Level3OfFairValueHierarchyMember 2024-10-31 0001045520 cm:DerivativeAssetsMember cm:EquityDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-10-31 0001045520 cm:DebtSecuritiesMeasuredAtFVTPLMember cm:MortgageAndAssetBackedMember ifrs-full:Level3OfFairValueHierarchyMember 2024-10-31 0001045520 cm:LoansMeasuredAtFVTPLMember cm:BusinessAndGovernmentMember ifrs-full:Level3OfFairValueHierarchyMember 2024-10-31 0001045520 cm:DepositsAndOtherLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-10-31 0001045520 cm:EquityDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-10-31 0001045520 cm:ForeignExchangeDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-10-31 0001045520 cm:InterestRateDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-10-31 0001045520 cm:CreditDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2024-10-31 0001045520 ifrs-full:ConsumerLoansMember 2023-10-31 0001045520 cm:LoansToBusinessAndGovernmentMember 2023-10-31 0001045520 cm:StageThreeMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2023-10-31 0001045520 cm:StageOneMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2023-10-31 0001045520 cm:StageOneMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2023-10-31 0001045520 cm:StageTwoMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2023-10-31 0001045520 cm:StageThreeMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2023-10-31 0001045520 cm:StageTwoMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2023-10-31 0001045520 cm:StageOneMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2023-10-31 0001045520 cm:StageThreeMember ifrs-full:MortgagesMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2023-10-31 0001045520 ifrs-full:MortgagesMember 2023-10-31 0001045520 cm:StageTwoMember ifrs-full:ConsumerLoansMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2023-10-31 0001045520 cm:CreditCardReceivables1Member 2023-10-31 0001045520 cm:StageOneMember cm:LoansToBusinessAndGovernmentMember ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2023-10-31 0001045520 cm:StageTwoMember cm:CreditCardReceivables1Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2023-10-31 0001045520 ifrs-full:OrdinarySharesMember 2023-10-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiabilityMember 2023-10-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfCashFlowHedgesMember 2023-10-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfRemeasurementsOfDefinedBenefitPlansMember 2023-10-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember 2023-10-31 0001045520 ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember ifrs-full:AccumulatedOtherComprehensiveIncomeMember 2023-10-31 0001045520 ifrs-full:RetainedEarningsMember 2023-10-31 0001045520 ifrs-full:PreferenceSharesMember 2023-10-31 0001045520 ifrs-full:AdditionalPaidinCapitalMember 2023-10-31 0001045520 ifrs-full:AccumulatedOtherComprehensiveIncomeMember cm:ReserveOfEquitySecuritiesDesignatedAtFairValueOfOtherComprehensiveIncomeMember 2023-10-31 0001045520 ifrs-full:NoncontrollingInterestsMember 2023-10-31 0001045520 cm:StageOneMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember cm:FinancialInstrumentsPerformingMember ifrs-full:TwelvemonthExpectedCreditLossesMember 2023-10-31 0001045520 cm:StageTwoMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember cm:FinancialInstrumentsPerformingMember ifrs-full:LifetimeExpectedCreditLossesMember 2023-10-31 0001045520 cm:StageThreeMember ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember ifrs-full:FinancialInstrumentsCreditimpairedMember ifrs-full:LifetimeExpectedCreditLossesMember 2023-10-31 0001045520 ifrs-full:DebtSecuritiesMember cm:DebtSecuritiesMeasuredAtFvociAndAmortizedCostMember 2023-10-31 0001045520 cm:LoansMeasuredAtFVTPLMember cm:BusinessAndGovernmentMember ifrs-full:Level3OfFairValueHierarchyMember 2023-10-31 0001045520 cm:DerivativeAssetsMember cm:EquityDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2023-10-31 0001045520 cm:DebtSecuritiesMeasuredAtFVTPLMember cm:MortgageAndAssetBackedMember ifrs-full:Level3OfFairValueHierarchyMember 2023-10-31 0001045520 cm:EquitySecuritiesMandatorilyMeasuredAtFVTPLDesignatedAtFVOCIMember cm:CorporateEquityMember ifrs-full:Level3OfFairValueHierarchyMember 2023-10-31 0001045520 cm:DerivativeAssetsMember cm:InterestRateDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2023-10-31 0001045520 cm:DerivativeAssetsMember cm:CreditDerivativesMember ifrs-full:Level3OfFairValueHierarchyMember 2023-10-31 0001045520 ifrs-full:Level3OfFairValueHierarchyMember 2023-10-31 0001045520 cm:CreditDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2023-10-31 0001045520 cm:InterestRateDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2023-10-31 0001045520 cm:EquityDerivativesMember cm:DerivativeLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2023-10-31 0001045520 cm:DepositsAndOtherLiabilitiesMember ifrs-full:Level3OfFairValueHierarchyMember 2023-10-31 iso4217:CAD xbrli:shares xbrli:pure iso4217:USD iso4217:CAD xbrli:shares cm:Shares iso4217:USD xbrli:shares
 
 
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
 
FORM
6-K
 
 
Report of Foreign Private Issuer
Pursuant to Rule
13a-16
or
15d-16
under
the Securities Exchange Act of 1934
 
For the month of August, 2025
  
Commission File Number:
1-14678
 
 
CANADIAN IMPERIAL BANK OF COMMERCE
(Translation of registrant’s name into English)
 
 
CIBC Square, 81 Bay Street
Toronto, Ontario
Canada M5J 0E7
(Address of principal executive offices)
 
 
Indicate by check mark whether the registrant files or will file annual reports under cover of Form
20-F
or Form
40-F:
Form 20-F ☐    Form 40-F ☑
 
 
 
The information contained in this report under “Management’s Discussion and Analysis” on pages 1-50 and “Interim Consolidated Financial Statements”, including the notes thereto on pages 51-75, is incorporated by reference into Registration Statements on Form S-8 File Nos. 333-130283, 333-09874 and 333-218913 and Form F-3 File Nos. 333-219550, 333-220284, 333-272447, and 333-273505.
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
 
 
 
CANADIAN IMPERIAL BANK OF COMMERCE
Date: August 28, 2025
 
 
By:
 
/s/ Allison Mudge
 
 
Name:
 
Allison Mudge
 
 
Title:
 
Senior Vice-President
EXHIBIT INDEX
 
Exhibit
  
Description of Exhibit
99.1
  
Report to Shareholders for the Third Quarter, 2025
101
  
Interactive Data File (formatted as Inline XBRL)
104
  
Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)

Source: View Original Filing on SEC EDGAR

FAQ

What was CIBC's interest income for the quarter ended July 31, 2025 (CM)?

The filing reports $11.0 billion of interest income for the quarter ended July 31, 2025.

How much interest income did CIBC report for the nine months ended July 31, 2025?

Interest income for the nine months ended July 31, 2025 was $33.3 billion.

What gains did CIBC report from equity-accounted associates and joint ventures?

The filing shows $10 million of gains in the quarter and $27 million for the nine months related to equity-accounted associates and joint ventures.

Did CIBC sell any securities measured at amortized cost in the quarter?

No. The filing states there were no sales of securities measured at amortized cost during the quarter.

What restricted cash amount is disclosed by CIBC?

The filing discloses $550 million of restricted cash as of July 31, 2025.

Were any prior period amounts changed in this filing?

Yes. The filing notes that prior period amounts have been revised to conform to the presentation adopted in the first quarter of 2025.
Stock CM logo
CIBC

NYSE:CM

CM Rankings

#219 Ranked by Market Cap
#690 Ranked by Dividends

CM Latest News

Aug 12, 2025
CIBC Announces Senior Executive Leadership Changes
Mar 13, 2025
CIBC President and CEO Victor Dodig Announces Plan to Retire October 31, 2025; Harry Culham Appointed Chief Operating Officer effective April 1, 2025 and Named to Succeed Dodig as CIBC President and CEO November 1, 2025
Jan 10, 2025
CIBC donates US$100,000 to support relief efforts for California wildfires
Nov 19, 2024
CIBC and The Cognizant Classic in The Palm Beaches announce multi-year partnership
Oct 23, 2024
CIBC and Chicago Blackhawks renew partnership: A 15-year relationship strengthened

CM Latest SEC Filings

Aug 28, 2025
[6-K] Canadian Imperial Bank of Commerce Current Report (Foreign Issuer)
Aug 28, 2025
[6-K] Canadian Imperial Bank of Commerce Current Report (Foreign Issuer)
Aug 28, 2025
[6-K] Canadian Imperial Bank of Commerce Current Report (Foreign Issuer)
Aug 28, 2025
[6-K] Canadian Imperial Bank of Commerce Current Report (Foreign Issuer)
Aug 28, 2025
[6-K] Canadian Imperial Bank of Commerce Current Report (Foreign Issuer)

CM Stock Data

68.95B
933.80M
0.03%
53%
1.57%
Banks - Diversified
Financial Services
Link
Canada
Toronto