Leidos Posts Strong Third Quarter Results and Raises Full-Year Guidance
- None.
 
- None.
 
Insights
Leidos delivered solid revenue and cash growth, raised FY25 earnings guidance, and reported stronger bookings and backlog.
Leidos posted record quarterly revenues of 
Dependencies and risks remain visible in the results: net income margin and adjusted EBITDA margin compressed to 
Concrete items to watch over the next 3–12 months include realization of the raised EPS range by fiscal year end, execution and cash collection on a 
- Record Revenues of 
 , up$4.5 billion 7% year-over-year, including6% organically - Net income of 
 or$369 million  per diluted share$2.82  - Adjusted EBITDA (non-GAAP) of 
 and Adjusted EBITDA margin (non-GAAP) of$616 million 13.8%  - Non-GAAP Diluted Earnings per Share of 
 , up$3.05 4% year-over-year - Cash Flows from Operations of 
 ; Non-GAAP Free Cash Flow of$711 million $680 million  
                  
"Leidos continues to deliver exceptional results through the strength of our portfolio of mission-critical work as well as the innovation, agility, and discipline of our talented workforce," said Leidos Chief Executive Officer Tom Bell. "Despite the government shutdown, we are raising our 2025 earnings and margin guidance and holding firm on our 2025 revenue and cash guidance. Moreover, we are optimistic about our future given our alignment with the priorities of the administration and confidence that our customers will move out aggressively in search of smarter and more efficient outcomes for the nation."
SUMMARY OPERATING RESULTS
| 
                         | 
                      
                         | 
                      
                         Three Months Ended  | 
                    ||
| 
                         (in millions, except margin and per share data)  | 
                      
                         | 
                      
                         October 3, 2025  | 
                      
                         | 
                      
                         September 27, 2024  | 
                    
| 
                         Revenues  | 
                      
                         | 
                      
                         $ 4,469  | 
                      
                         | 
                      
                         $ 4,190  | 
                    
| 
                         Net income  | 
                      
                         | 
                      
                         $ 369  | 
                      
                         | 
                      
                         $ 362  | 
                    
| 
                         Net income margin  | 
                      
                         | 
                      
                         8.3 %  | 
                      
                         | 
                      
                         8.6 %  | 
                    
| 
                         Diluted earnings per share (EPS)  | 
                      
                         | 
                      
                         $ 2.82  | 
                      
                         | 
                      
                         $ 2.68  | 
                    
| 
                         Non-GAAP Measures*:  | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         Adjusted EBITDA  | 
                      
                         | 
                      
                         $ 616  | 
                      
                         | 
                      
                         $ 596  | 
                    
| 
                         Adjusted EBITDA margin  | 
                      
                         | 
                      
                         13.8 %  | 
                      
                         | 
                      
                         14.2 %  | 
                    
| 
                         Non-GAAP diluted EPS  | 
                      
                         | 
                      
                         $ 3.05  | 
                      
                         | 
                      
                         $ 2.93  | 
                    
| 
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         * Non-GAAP financial measures should be considered in addition to, but not as a substitute for, the information provided in accordance with GAAP. Management believes that these non-GAAP measures provide another representation of Leidos' results of operations and financial condition, including its ability to comply with financial covenants. See Non-GAAP Financial Measures at the end of this press release for more information and a reconciliation of our selected reported results to these non-GAAP measures.  | 
                    ||||
Revenues for the quarter were 
For the third quarter, net income was 
Adjusted EBITDA was 
CASH FLOW SUMMARY
In the third quarter, Leidos generated 
Investing activities consisted primarily of 
On October 31, 2025, the Leidos Board of Directors declared a cash dividend of 
NEW BUSINESS AWARDS
Net bookings totaled 
- 
                    Classified Mission Support. Leidos was awarded a 
 , seven-year contract in the intelligence community. This take-away award demonstrates Leidos' capability and commitment in supporting the most critical missions to protect the nation.$2.2 billion  - 
                    National Aeronautics and Space Administration (NASA) Human Health and Performance Contract. Leidos received a 
 single award indefinite delivery indefinite quantity (IDIQ) subcontract to provide critical astronaut health and performance services and research support to enable NASA to prepare for the next era of human space exploration. This work supports NASA's advancement of space exploration for low-Earth-orbit and Artemis missions, ensuring astronauts advance further, for longer durations, and return home safely.$760 million  - 
                    Classified Mission Software & IT Support. Leidos secured a 
 , seven-year contract to continue to enhance and maintain mission-critical, AI-enabled software for Counter Terrorism efforts.$540 million  - 
                    Naval Undersea Warfare Center (NUWC) Naval Array Technical Support Center (NATSC) Services.
                     The NUWC awarded Leidos a five-year contract with a ceiling value of 
 to continue to provide engineering, maintenance, logistics, and quality assurance support for undersea warfare towed array systems. Under the new contract, Leidos will strengthen NATSC operations by implementing new training best practices and actively managing the supply chain to detect counterfeit components and secure alternative suppliers for obsolete parts.$188 million  - 
                    Kazakhstan Air Traffic Management. Building on more than 20 years of support, Leidos will modernize the 
Republic of Kazakhstan's air traffic control system to accommodate significant expansion in the country's aviation sector. Leidos will upgrade the systems that help air traffic controllers safely manage planes on the ground and in the air. In addition, Leidos will install its SkyLine-X Air Traffic Management system that will provide end-to-end surveillance, improved safety and streamlined operations through a common automation platform with a modular and open architecture. The agreement has a 19-year period of performance and includes work at four control centers and 21 towers across the country. - 
                    DOD Healthcare Management System Modernization (DHMSM). The Defense Health Agency awarded Leidos a one-year, 
 contract to continue to provide operational support and maintain performance stability for the enterprise baseline, including the "My Military Health" hybrid care platform. This award strengthens Leidos' position as a trusted partner in delivering advanced digital capabilities and managed health services to the Department of War and the nation's service members.$370 million  
FORWARD GUIDANCE
Leidos is raising its fiscal year 2025 guidance as follows:
| 
                         | 
                      
                         FY25 Guidance  | 
                    |
| 
                         Measure  | 
                      
                         Current  | 
                      
                         Prior  | 
                    
| 
                         Revenues (B)  | 
                      
                         
                            | 
                      
                         
                            | 
                    
| 
                         Adjusted EBITDA Margin  | 
                      
                         
                          High   | 
                      
                         
                          Mid   | 
                    
| 
                         Non-GAAP Diluted EPS  | 
                      
                         
                            | 
                      
                         
                            | 
                    
| 
                         Cash Flows Provided by Operating Activities (B)  | 
                      
                         
                          Approximately   | 
                      
                         
                          Approximately   | 
                    
For information regarding adjusted EBITDA margin and non-GAAP diluted EPS, see the related explanations and reconciliations to GAAP measures included elsewhere in this release.
Leidos does not provide a reconciliation of forward-looking adjusted EBITDA margins or non-GAAP diluted EPS to net income margin or diluted EPS due to the inherent difficulty in forecasting and quantifying certain amounts that are necessary for such reconciliation. Because certain deductions for non-GAAP exclusions used to calculate projected net income margin or diluted EPS may vary significantly based on actual events, Leidos is not able to forecast on a GAAP basis with reasonable certainty all deductions needed in order to provide a GAAP calculation of projected net income at this time. The amounts of these deductions may be material and, therefore, could result in projected net income margin and diluted EPS being materially less than what may be implied by projected adjusted EBITDA margins and non-GAAP diluted EPS.
CONFERENCE CALL INFORMATION
Leidos management will discuss operations and financial results in an earnings conference call beginning at 8 A.M. eastern time on November 4, 2025. A live audio broadcast of the conference call along with a supplemental presentation will be available to the public through links on the Leidos Investor Relations website (http://ir.leidos.com). An archived version of the webcast will be available on the Leidos Investor Relations website until November 4, 2026.
ABOUT LEIDOS
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in 
FORWARD-LOOKING STATEMENTS
Certain statements in this release contain or are based on "forward-looking" information within the meaning of the Private Securities Litigation Reform Act of 1995. In some cases, you can identify forward-looking statements by words such as "expects," "intends," "plans," "anticipates," "believes," "estimates," "guidance" and similar words or phrases. Forward-looking statements in this release include, among others, estimates of our future growth, strategy and financial and operating performance, including future revenues, adjusted EBITDA margins, diluted EPS (including on a non-GAAP basis) and cash flows provided by operating activities, as well as statements about our business contingency plans, government budgets and spending, the 
Actual performance and results may differ materially from those results anticipated by our guidance and other forward-looking statements made in this release depending on a variety of factors, including, but not limited to: developments in the 
These are only some of the factors that may affect the forward-looking statements contained in this release. For further information concerning risks and uncertainties associated with our business, please refer to the filings we make from time to time with the 
All information in this release is as of November 4, 2025. Leidos expressly disclaims any duty to update the guidance or any other forward-looking statement provided in this release to reflect subsequent events, actual results or changes in Leidos' expectations. Leidos also disclaims any duty to comment upon or correct information that may be contained in reports published by investment analysts or others.
| 
                         CONTACTS:  | 
                      
                         | 
                      
                         | 
                    
| 
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         Investor Relations:  | 
                      
                         | 
                      
                         Media Relations:  | 
                    
| 
                         Stuart Davis  | 
                      
                         | 
                      
                         Brandon Ver Velde  | 
                    
| 
                         571.526.6124  | 
                      
                         | 
                      
                         571.526.6257  | 
                    
| 
                         | 
                      
| 
                         LEIDOS HOLDINGS, INC. UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS 
  | 
                    ||||||||
| 
                         | 
                      
                         | 
                      
                         Three Months Ended  | 
                      
                         | 
                      
                         Nine Months Ended  | 
                    ||||
| 
                         (in millions, except per share data)  | 
                      
                         | 
                      
                         
                          
                            October 3,
                              | 
                      
                         | 
                      
                         
                          September 27,  | 
                      
                         | 
                      
                         
                          
                            October 3,
                              | 
                      
                         | 
                      
                         
                          September 27,  | 
                    
| 
                         Revenues  | 
                      
                         | 
                      
                         $ 4,469  | 
                      
                         | 
                      
                         $ 4,190  | 
                      
                         | 
                      
                         $ 12,967  | 
                      
                         | 
                      
                         $ 12,297  | 
                    
| 
                         Cost of revenues  | 
                      
                         | 
                      
                         3,648  | 
                      
                         | 
                      
                         3,428  | 
                      
                         | 
                      
                         10,607  | 
                      
                         | 
                      
                         10,192  | 
                    
| 
                         Selling, general and administrative expenses  | 
                      
                         | 
                      
                         286  | 
                      
                         | 
                      
                         247  | 
                      
                         | 
                      
                         733  | 
                      
                         | 
                      
                         704  | 
                    
| 
                         Acquisition, integration and restructuring costs  | 
                      
                         | 
                      
                         4  | 
                      
                         | 
                      
                         3  | 
                      
                         | 
                      
                         10  | 
                      
                         | 
                      
                         14  | 
                    
| 
                         Asset impairment charges  | 
                      
                         | 
                      
                         4  | 
                      
                         | 
                      
                         6  | 
                      
                         | 
                      
                         4  | 
                      
                         | 
                      
                         6  | 
                    
| 
                         Equity earnings of non-consolidated subsidiaries  | 
                      
                         | 
                      
                         (8)  | 
                      
                         | 
                      
                         (10)  | 
                      
                         | 
                      
                         (23)  | 
                      
                         | 
                      
                         (25)  | 
                    
| 
                         Operating income  | 
                      
                         | 
                      
                         535  | 
                      
                         | 
                      
                         516  | 
                      
                         | 
                      
                         1,636  | 
                      
                         | 
                      
                         1,406  | 
                    
| 
                         Non-operating income (expense):  | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         Interest expense, net  | 
                      
                         | 
                      
                         (51)  | 
                      
                         | 
                      
                         (46)  | 
                      
                         | 
                      
                         (155)  | 
                      
                         | 
                      
                         (146)  | 
                    
| 
                         Other (expense) income, net  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         (1)  | 
                      
                         | 
                      
                         4  | 
                    
| 
                         Income before income taxes  | 
                      
                         | 
                      
                         484  | 
                      
                         | 
                      
                         470  | 
                      
                         | 
                      
                         1,480  | 
                      
                         | 
                      
                         1,264  | 
                    
| 
                         Income tax expense  | 
                      
                         | 
                      
                         (115)  | 
                      
                         | 
                      
                         (108)  | 
                      
                         | 
                      
                         (353)  | 
                      
                         | 
                      
                         (295)  | 
                    
| 
                         Net income  | 
                      
                         | 
                      
                         369  | 
                      
                         | 
                      
                         362  | 
                      
                         | 
                      
                         1,127  | 
                      
                         | 
                      
                         969  | 
                    
| 
                         Less: net income (expense) attributable to non-controlling interest  | 
                      
                         | 
                      
                         2  | 
                      
                         | 
                      
                         (2)  | 
                      
                         | 
                      
                         6  | 
                      
                         | 
                      
                         (1)  | 
                    
| 
                         Net income attributable to Leidos common stockholders  | 
                      
                         | 
                      
                         $ 367  | 
                      
                         | 
                      
                         $ 364  | 
                      
                         | 
                      
                         $ 1,121  | 
                      
                         | 
                      
                         $ 970  | 
                    
| 
                         Earnings per share:  | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         Basic  | 
                      
                         | 
                      
                         $ 2.87  | 
                      
                         | 
                      
                         $ 2.72  | 
                      
                         | 
                      
                         $ 8.69  | 
                      
                         | 
                      
                         $ 7.19  | 
                    
| 
                         Diluted  | 
                      
                         | 
                      
                         2.82  | 
                      
                         | 
                      
                         2.68  | 
                      
                         | 
                      
                         8.62  | 
                      
                         | 
                      
                         7.13  | 
                    
| 
                         Weighted average number of common shares outstanding:  | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         Basic  | 
                      
                         | 
                      
                         128  | 
                      
                         | 
                      
                         134  | 
                      
                         | 
                      
                         129  | 
                      
                         | 
                      
                         135  | 
                    
| 
                         Diluted  | 
                      
                         | 
                      
                         130  | 
                      
                         | 
                      
                         136  | 
                      
                         | 
                      
                         130  | 
                      
                         | 
                      
                         136  | 
                    
| 
                         Cash dividends declared per share  | 
                      
                         | 
                      
                         $ 0.40  | 
                      
                         | 
                      
                         $ 0.38  | 
                      
                         | 
                      
                         $ 1.20  | 
                      
                         | 
                      
                         $ 1.14  | 
                    
| 
                         LEIDOS HOLDINGS, INC. UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS 
  | 
                    ||||
| 
                         (in millions, except share and per share data)  | 
                      
                         | 
                      
                         
                          
                            
                              October 3,
                            
                              | 
                      
                         | 
                      
                         
                          January 3,  | 
                    
| 
                         Assets:  | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         Cash and cash equivalents  | 
                      
                         | 
                      
                         $ 974  | 
                      
                         | 
                      
                         $ 849  | 
                    
| 
                         Receivables, net  | 
                      
                         | 
                      
                         2,970  | 
                      
                         | 
                      
                         2,645  | 
                    
| 
                         Inventory, net  | 
                      
                         | 
                      
                         360  | 
                      
                         | 
                      
                         315  | 
                    
| 
                         Other current assets  | 
                      
                         | 
                      
                         545  | 
                      
                         | 
                      
                         525  | 
                    
| 
                         Total current assets  | 
                      
                         | 
                      
                         4,849  | 
                      
                         | 
                      
                         4,334  | 
                    
| 
                         Property, plant and equipment, net  | 
                      
                         | 
                      
                         963  | 
                      
                         | 
                      
                         991  | 
                    
| 
                         Intangible assets, net  | 
                      
                         | 
                      
                         496  | 
                      
                         | 
                      
                         517  | 
                    
| 
                         Goodwill  | 
                      
                         | 
                      
                         6,342  | 
                      
                         | 
                      
                         6,084  | 
                    
| 
                         Operating lease right-of-use assets, net  | 
                      
                         | 
                      
                         512  | 
                      
                         | 
                      
                         560  | 
                    
| 
                         Deferred tax assets  | 
                      
                         | 
                      
                         32  | 
                      
                         | 
                      
                         203  | 
                    
| 
                         Other long-term assets  | 
                      
                         | 
                      
                         348  | 
                      
                         | 
                      
                         321  | 
                    
| 
                         Total assets  | 
                      
                         | 
                      
                         $ 13,542  | 
                      
                         | 
                      
                         $ 13,010  | 
                    
| 
                         Liabilities:  | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         Accounts payable and accrued liabilities  | 
                      
                         | 
                      
                         $ 2,158  | 
                      
                         | 
                      
                         $ 2,131  | 
                    
| 
                         Accrued payroll and employee benefits  | 
                      
                         | 
                      
                         809  | 
                      
                         | 
                      
                         811  | 
                    
| 
                         Current portion of long-term debt  | 
                      
                         | 
                      
                         19  | 
                      
                         | 
                      
                         618  | 
                    
| 
                         Total current liabilities  | 
                      
                         | 
                      
                         2,986  | 
                      
                         | 
                      
                         3,560  | 
                    
| 
                         Long-term debt, net of current portion  | 
                      
                         | 
                      
                         4,632  | 
                      
                         | 
                      
                         4,052  | 
                    
| 
                         Operating lease liabilities  | 
                      
                         | 
                      
                         578  | 
                      
                         | 
                      
                         621  | 
                    
| 
                         Deferred tax liabilities  | 
                      
                         | 
                      
                         122  | 
                      
                         | 
                      
                         2  | 
                    
| 
                         Other long-term liabilities  | 
                      
                         | 
                      
                         270  | 
                      
                         | 
                      
                         315  | 
                    
| 
                         Total liabilities  | 
                      
                         | 
                      
                         8,588  | 
                      
                         | 
                      
                         8,550  | 
                    
| 
                         Stockholders' equity:  | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         
                          Common stock,  shares issued and outstanding at October 3, 2025, and January 3, 2025, respectively  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                    
| 
                         Additional paid-in capital  | 
                      
                         | 
                      
                         588  | 
                      
                         | 
                      
                         1,112  | 
                    
| 
                         Retained earnings  | 
                      
                         | 
                      
                         4,375  | 
                      
                         | 
                      
                         3,410  | 
                    
| 
                         Accumulated other comprehensive loss  | 
                      
                         | 
                      
                         (54)  | 
                      
                         | 
                      
                         (110)  | 
                    
| 
                         Total Leidos stockholders' equity  | 
                      
                         | 
                      
                         4,909  | 
                      
                         | 
                      
                         4,412  | 
                    
| 
                         Non-controlling interest  | 
                      
                         | 
                      
                         45  | 
                      
                         | 
                      
                         48  | 
                    
| 
                         Total stockholders' equity  | 
                      
                         | 
                      
                         4,954  | 
                      
                         | 
                      
                         4,460  | 
                    
| 
                         Total liabilities and stockholders' equity  | 
                      
                         | 
                      
                         $ 13,542  | 
                      
                         | 
                      
                         $ 13,010  | 
                    
| 
                         LEIDOS HOLDINGS, INC. UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS 
  | 
                    ||||||||
| 
                         | 
                      
                         | 
                      
                         Three Months Ended  | 
                      
                         | 
                      
                         Nine Months Ended  | 
                    ||||
| 
                         (in millions)  | 
                      
                         | 
                      
                         
                          
                            October 3,
                              | 
                      
                         | 
                      
                         
                          September 27,  | 
                      
                         | 
                      
                         
                          
                            October 3,
                              | 
                      
                         | 
                      
                         
                          September 27,  | 
                    
| 
                         Cash flows from operations:  | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         Net income  | 
                      
                         | 
                      
                         $ 369  | 
                      
                         | 
                      
                         $ 362  | 
                      
                         | 
                      
                         $ 1,127  | 
                      
                         | 
                      
                         $ 969  | 
                    
| 
                         Adjustments to reconcile net income to net cash provided by operations:  | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         Depreciation and amortization  | 
                      
                         | 
                      
                         74  | 
                      
                         | 
                      
                         71  | 
                      
                         | 
                      
                         215  | 
                      
                         | 
                      
                         211  | 
                    
| 
                         Stock-based compensation  | 
                      
                         | 
                      
                         26  | 
                      
                         | 
                      
                         19  | 
                      
                         | 
                      
                         72  | 
                      
                         | 
                      
                         59  | 
                    
| 
                         Deferred income taxes  | 
                      
                         | 
                      
                         88  | 
                      
                         | 
                      
                         (29)  | 
                      
                         | 
                      
                         288  | 
                      
                         | 
                      
                         (96)  | 
                    
| 
                         Asset impairment charges  | 
                      
                         | 
                      
                         4  | 
                      
                         | 
                      
                         6  | 
                      
                         | 
                      
                         4  | 
                      
                         | 
                      
                         6  | 
                    
| 
                         Other  | 
                      
                         | 
                      
                         3  | 
                      
                         | 
                      
                         3  | 
                      
                         | 
                      
                         3  | 
                      
                         | 
                      
                         5  | 
                    
| 
                         Change in assets and liabilities, net of effects of acquisition:  | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         Receivables  | 
                      
                         | 
                      
                         (61)  | 
                      
                         | 
                      
                         (75)  | 
                      
                         | 
                      
                         (297)  | 
                      
                         | 
                      
                         (260)  | 
                    
| 
                         Other current assets and other long-term assets  | 
                      
                         | 
                      
                         60  | 
                      
                         | 
                      
                         95  | 
                      
                         | 
                      
                         26  | 
                      
                         | 
                      
                         102  | 
                    
| 
                         Accounts payable and accrued liabilities and other long-term liabilities  | 
                      
                         | 
                      
                         152  | 
                      
                         | 
                      
                         16  | 
                      
                         | 
                      
                         (108)  | 
                      
                         | 
                      
                         (101)  | 
                    
| 
                         Accrued payroll and employee benefits  | 
                      
                         | 
                      
                         (17)  | 
                      
                         | 
                      
                         198  | 
                      
                         | 
                      
                         (10)  | 
                      
                         | 
                      
                         208  | 
                    
| 
                         Income taxes receivable/payable  | 
                      
                         | 
                      
                         13  | 
                      
                         | 
                      
                         (19)  | 
                      
                         | 
                      
                         (65)  | 
                      
                         | 
                      
                         38  | 
                    
| 
                         Net cash provided by operating activities  | 
                      
                         | 
                      
                         711  | 
                      
                         | 
                      
                         647  | 
                      
                         | 
                      
                         1,255  | 
                      
                         | 
                      
                         1,141  | 
                    
| 
                         Cash flows from investing activities:  | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         Acquisition of a business, net of cash acquired  | 
                      
                         | 
                      
                         (7)  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         (292)  | 
                      
                         | 
                      
                         —  | 
                    
| 
                         Payments for property, equipment and software  | 
                      
                         | 
                      
                         (31)  | 
                      
                         | 
                      
                         (23)  | 
                      
                         | 
                      
                         (82)  | 
                      
                         | 
                      
                         (63)  | 
                    
| 
                         Other  | 
                      
                         | 
                      
                         2  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         2  | 
                      
                         | 
                      
                         7  | 
                    
| 
                         Net cash used in investing activities  | 
                      
                         | 
                      
                         (36)  | 
                      
                         | 
                      
                         (23)  | 
                      
                         | 
                      
                         (372)  | 
                      
                         | 
                      
                         (56)  | 
                    
| 
                         Cash flows from financing activities:  | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         Proceeds from debt issuance  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         997  | 
                      
                         | 
                      
                         —  | 
                    
| 
                         Repayments of borrowings  | 
                      
                         | 
                      
                         (455)  | 
                      
                         | 
                      
                         (5)  | 
                      
                         | 
                      
                         (1,014)  | 
                      
                         | 
                      
                         (14)  | 
                    
| 
                         Payments for debt issuance costs  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         (7)  | 
                      
                         | 
                      
                         —  | 
                    
| 
                         Dividend payments  | 
                      
                         | 
                      
                         (51)  | 
                      
                         | 
                      
                         (51)  | 
                      
                         | 
                      
                         (156)  | 
                      
                         | 
                      
                         (155)  | 
                    
| 
                         Repurchases of stock and other  | 
                      
                         | 
                      
                         (102)  | 
                      
                         | 
                      
                         (203)  | 
                      
                         | 
                      
                         (639)  | 
                      
                         | 
                      
                         (500)  | 
                    
| 
                         Proceeds from issuances of stock  | 
                      
                         | 
                      
                         16  | 
                      
                         | 
                      
                         2  | 
                      
                         | 
                      
                         47  | 
                      
                         | 
                      
                         28  | 
                    
| 
                         Net capital distributions to non-controlling interests  | 
                      
                         | 
                      
                         (2)  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         (9)  | 
                      
                         | 
                      
                         (3)  | 
                    
| 
                         Other  | 
                      
                         | 
                      
                         (1)  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         (7)  | 
                      
                         | 
                      
                         —  | 
                    
| 
                         Net cash used in financing activities  | 
                      
                         | 
                      
                         (595)  | 
                      
                         | 
                      
                         (257)  | 
                      
                         | 
                      
                         (788)  | 
                      
                         | 
                      
                         (644)  | 
                    
| 
                         Effect of foreign exchange rate changes on cash, cash equivalents and restricted cash  | 
                      
                         | 
                      
                         (3)  | 
                      
                         | 
                      
                         9  | 
                      
                         | 
                      
                         11  | 
                      
                         | 
                      
                         5  | 
                    
| 
                         Net increase in cash, cash equivalents and restricted cash  | 
                      
                         | 
                      
                         77  | 
                      
                         | 
                      
                         376  | 
                      
                         | 
                      
                         106  | 
                      
                         | 
                      
                         446  | 
                    
| 
                         Cash, cash equivalents and restricted cash at beginning of period  | 
                      
                         | 
                      
                         1,020  | 
                      
                         | 
                      
                         862  | 
                      
                         | 
                      
                         991  | 
                      
                         | 
                      
                         792  | 
                    
| 
                         Cash, cash equivalents and restricted cash at end of period  | 
                      
                         | 
                      
                         1,097  | 
                      
                         | 
                      
                         1,238  | 
                      
                         | 
                      
                         1,097  | 
                      
                         | 
                      
                         1,238  | 
                    
| 
                         Less: restricted cash at end of period  | 
                      
                         | 
                      
                         123  | 
                      
                         | 
                      
                         141  | 
                      
                         | 
                      
                         123  | 
                      
                         | 
                      
                         141  | 
                    
| 
                         Cash and cash equivalents at end of period  | 
                      
                         | 
                      
                         $ 974  | 
                      
                         | 
                      
                         $ 1,097  | 
                      
                         | 
                      
                         $ 974  | 
                      
                         | 
                      
                         $ 1,097  | 
                    
| 
                         LEIDOS HOLDINGS, INC. UNAUDITED SEGMENT OPERATING RESULTS 
  | 
                    ||||||||
| 
                         | 
                      
                         | 
                      
                         Three Months Ended  | 
                      
                         | 
                      
                         Nine Months Ended  | 
                    ||||
| 
                         (in millions)  | 
                      
                         | 
                      
                         
                          
                            
                              October 3,
                            
                              | 
                      
                         | 
                      
                         
                          September 27,  | 
                      
                         | 
                      
                         
                          
                            
                              October 3,
                            
                              | 
                      
                         | 
                      
                         
                          September 27,  | 
                    
| 
                         Revenues:  | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         National Security & Digital  | 
                      
                         | 
                      
                         $ 2,015  | 
                      
                         | 
                      
                         $ 1,865  | 
                      
                         | 
                      
                         $ 5,765  | 
                      
                         | 
                      
                         $ 5,471  | 
                    
| 
                         Health & Civil  | 
                      
                         | 
                      
                         1,301  | 
                      
                         | 
                      
                         1,225  | 
                      
                         | 
                      
                         3,864  | 
                      
                         | 
                      
                         3,687  | 
                    
| 
                         Commercial & International  | 
                      
                         | 
                      
                         571  | 
                      
                         | 
                      
                         578  | 
                      
                         | 
                      
                         1,705  | 
                      
                         | 
                      
                         1,648  | 
                    
| 
                         Defense Systems  | 
                      
                         | 
                      
                         582  | 
                      
                         | 
                      
                         522  | 
                      
                         | 
                      
                         1,633  | 
                      
                         | 
                      
                         1,491  | 
                    
| 
                         Total  | 
                      
                         | 
                      
                         $ 4,469  | 
                      
                         | 
                      
                         $ 4,190  | 
                      
                         | 
                      
                         $ 12,967  | 
                      
                         | 
                      
                         $ 12,297  | 
                    
| 
                         Operating income (loss):  | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         National Security & Digital  | 
                      
                         | 
                      
                         $ 191  | 
                      
                         | 
                      
                         $ 187  | 
                      
                         | 
                      
                         $ 564  | 
                      
                         | 
                      
                         $ 545  | 
                    
| 
                         Health & Civil  | 
                      
                         | 
                      
                         328  | 
                      
                         | 
                      
                         287  | 
                      
                         | 
                      
                         938  | 
                      
                         | 
                      
                         816  | 
                    
| 
                         Commercial & International  | 
                      
                         | 
                      
                         38  | 
                      
                         | 
                      
                         41  | 
                      
                         | 
                      
                         115  | 
                      
                         | 
                      
                         64  | 
                    
| 
                         Defense Systems  | 
                      
                         | 
                      
                         37  | 
                      
                         | 
                      
                         37  | 
                      
                         | 
                      
                         112  | 
                      
                         | 
                      
                         92  | 
                    
| 
                         Corporate  | 
                      
                         | 
                      
                         (59)  | 
                      
                         | 
                      
                         (36)  | 
                      
                         | 
                      
                         (93)  | 
                      
                         | 
                      
                         (111)  | 
                    
| 
                         Total  | 
                      
                         | 
                      
                         $ 535  | 
                      
                         | 
                      
                         $ 516  | 
                      
                         | 
                      
                         $ 1,636  | 
                      
                         | 
                      
                         $ 1,406  | 
                    
| 
                         Operating income margin:  | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         National Security & Digital  | 
                      
                         | 
                      
                         9.5 %  | 
                      
                         | 
                      
                         10.0 %  | 
                      
                         | 
                      
                         9.8 %  | 
                      
                         | 
                      
                         10.0 %  | 
                    
| 
                         Health & Civil  | 
                      
                         | 
                      
                         25.2 %  | 
                      
                         | 
                      
                         23.4 %  | 
                      
                         | 
                      
                         24.3 %  | 
                      
                         | 
                      
                         22.1 %  | 
                    
| 
                         Commercial & International  | 
                      
                         | 
                      
                         6.7 %  | 
                      
                         | 
                      
                         7.1 %  | 
                      
                         | 
                      
                         6.7 %  | 
                      
                         | 
                      
                         3.9 %  | 
                    
| 
                         Defense Systems  | 
                      
                         | 
                      
                         6.4 %  | 
                      
                         | 
                      
                         7.1 %  | 
                      
                         | 
                      
                         6.9 %  | 
                      
                         | 
                      
                         6.2 %  | 
                    
| 
                         Total  | 
                      
                         | 
                      
                         12.0 %  | 
                      
                         | 
                      
                         12.3 %  | 
                      
                         | 
                      
                         12.6 %  | 
                      
                         | 
                      
                         11.4 %  | 
                    
National Security & Digital
National Security & Digital revenues of 
Health & Civil
Health & Civil revenues of 
Commercial & International
Commercial & International revenues of 
Defense Systems
Defense Systems revenues of 
                  LEIDOS HOLDINGS, INC.
                  UNAUDITED BACKLOG BY REPORTABLE SEGMENT
                
Backlog represents the revenues we expect to recognize under negotiated contracts and unissued task orders on sole source IDIQ contracts, to the extent we believe their execution and funding to be probable. Backlog does not include potential task orders expected to be awarded under multiple award IDIQ contracts.
Backlog value is based on management's estimates about volume of services, availability of customer funding and other factors, and excludes contracts that are under protest. Estimated backlog comprises both funded and negotiated unfunded backlog. Backlog estimates are subject to change and may be affected by several factors, including modifications of contracts, non-exercise of options and foreign currency movements.
Funded backlog for contracts with the 
The estimated value of backlog as of the dates presented was as follows:
| 
                         | 
                      
                         | 
                      
                         October 3, 2025  | 
                      
                         | 
                      
                         September 27, 2024(1)  | 
                    ||||||||
| 
                         (in millions)  | 
                      
                         | 
                      
                         Funded  | 
                      
                         | 
                      
                         Unfunded  | 
                      
                         | 
                      
                         Total  | 
                      
                         | 
                      
                         Funded  | 
                      
                         | 
                      
                         Unfunded  | 
                      
                         | 
                      
                         Total  | 
                    
| 
                         National Security & Digital  | 
                      
                         | 
                      
                         $ 3,203  | 
                      
                         | 
                      
                         $ 23,246  | 
                      
                         | 
                      
                         $ 26,449  | 
                      
                         | 
                      
                         $ 3,323  | 
                      
                         | 
                      
                         $ 20,908  | 
                      
                         | 
                      
                         $ 24,231  | 
                    
| 
                         Health & Civil  | 
                      
                         | 
                      
                         1,866  | 
                      
                         | 
                      
                         9,043  | 
                      
                         | 
                      
                         10,909  | 
                      
                         | 
                      
                         1,536  | 
                      
                         | 
                      
                         10,002  | 
                      
                         | 
                      
                         11,538  | 
                    
| 
                         Commercial & International  | 
                      
                         | 
                      
                         2,549  | 
                      
                         | 
                      
                         2,398  | 
                      
                         | 
                      
                         4,947  | 
                      
                         | 
                      
                         2,631  | 
                      
                         | 
                      
                         2,022  | 
                      
                         | 
                      
                         4,653  | 
                    
| 
                         Defense Systems  | 
                      
                         | 
                      
                         1,446  | 
                      
                         | 
                      
                         3,905  | 
                      
                         | 
                      
                         5,351  | 
                      
                         | 
                      
                         1,602  | 
                      
                         | 
                      
                         3,489  | 
                      
                         | 
                      
                         5,091  | 
                    
| 
                         Total  | 
                      
                         | 
                      
                         $ 9,064  | 
                      
                         | 
                      
                         $ 38,592  | 
                      
                         | 
                      
                         $ 47,656  | 
                      
                         | 
                      
                         $ 9,092  | 
                      
                         | 
                      
                         $ 36,421  | 
                      
                         | 
                      
                         $ 45,513  | 
                    
| 
                         | 
                      
                         | 
                    
| 
                         (1)  | 
                      
                         
                          Amounts have been recast to include estimated future revenue on task orders expected to be awarded under sole source IDIQ contracts. As a result, unfunded backlog increased   | 
                    
Backlog at October 3, 2025, includes 
                  LEIDOS HOLDINGS, INC.
                  UNAUDITED NON-GAAP FINANCIAL MEASURES
                
Leidos uses and refers to non-GAAP operating income, non-GAAP operating margin, adjusted EBITDA, adjusted EBITDA margin, non-GAAP diluted EPS, non-GAAP free cash flow and non-GAAP free cash flow conversion, which are not measures of financial performance under generally accepted accounting principles in the 
Management believes that these non-GAAP measures provide another representation of the results of operations and financial condition, including its ability to comply with financial covenants. These non-GAAP measures are frequently used by financial analysts covering Leidos and its peers. The computation of non-GAAP measures may not be comparable to similarly titled measures reported by other companies, thus limiting their use for comparability.
Organic revenues capture the revenue that is inherent in the underlying business excluding the impact of acquisitions and divestitures made within the prior year; it is computed as current revenues excluding revenues from acquisitions within the last 12 months and divestitures within the current and year-ago periods.
Non-GAAP operating income is computed by excluding the following discrete items from operating income:
- Acquisition, integration and restructuring costs – Represents acquisition, integration, lease termination, severance and retention costs and asset markdowns related to acquisitions and restructuring activities.
 - Amortization of acquired intangible assets – Represents the amortization of the fair value of the acquired intangible assets.
 - Gain on sale of intangible assets – Represents the gain on sale of intellectual property not used in operations.
 - Asset impairment charges – Represents impairments of long-lived intangible assets, right-of-use assets, and other assets related to our facility rationalization effort.
 
Non-GAAP operating margin is computed by dividing non-GAAP operating income by revenues.
Adjusted EBITDA is computed by excluding the following items from income before income taxes: (i) discrete items as identified above; (ii) interest expense; (iii) interest income; (iv) depreciation expense; and (v) amortization of internally developed intangible assets.
Adjusted EBITDA margin is computed by dividing adjusted EBITDA by revenues.
Non-GAAP net income is computed by excluding the discrete items listed under non-GAAP operating income and their related tax impacts.
Non-GAAP diluted EPS is computed by dividing net income attributable to Leidos common stockholders, adjusted for the discrete items as identified above and the related tax impacts, by the diluted weighted average number of common shares outstanding.
Non-GAAP free cash flow is computed by deducting expenditures for property, equipment and software from net cash provided by (used in) operating activities.
Non-GAAP free cash flow conversion is computed by dividing non-GAAP free cash flow by non-GAAP net income attributable to Leidos common stockholders; operating cash flow conversion is computed by dividing net cash provided by (used in) operating activities by net income attributable to Leidos shareholders.
| 
                         LEIDOS HOLDINGS, INC. UNAUDITED NON-GAAP FINANCIAL MEASURES [CONTINUED] (in millions, except growth percentages) The following table presents the reconciliation of revenues to organic revenues by reportable segment and total operations: 
  | 
                    |||||
| 
                         | 
                      
                         Three Months Ended  | 
                    ||||
| 
                         | 
                      
                         October 3, 2025  | 
                      
                         | 
                      
                         September 27, 2024  | 
                      
                         | 
                      
                         Percent Change  | 
                    
| 
                         National Security & Digital  | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         Revenues, as reported  | 
                      
                         $ 2,015  | 
                      
                         | 
                      
                         $ 1,865  | 
                      
                         | 
                      
                         8.0 %  | 
                    
| 
                         Acquisition revenues(1)  | 
                      
                         26  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         | 
                    
| 
                         Organic revenues  | 
                      
                         1,989  | 
                      
                         | 
                      
                         1,865  | 
                      
                         | 
                      
                         6.6 %  | 
                    
| 
                         Health & Civil  | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         Revenues, as reported  | 
                      
                         1,301  | 
                      
                         | 
                      
                         1,225  | 
                      
                         | 
                      
                         6.2 %  | 
                    
| 
                         Commercial & International  | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         Revenues, as reported  | 
                      
                         571  | 
                      
                         | 
                      
                         578  | 
                      
                         | 
                      
                         (1.2) %  | 
                    
| 
                         Defense Systems  | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         Revenues, as reported  | 
                      
                         582  | 
                      
                         | 
                      
                         522  | 
                      
                         | 
                      
                         11.5 %  | 
                    
| 
                         Total Operations  | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         Revenues, as reported  | 
                      
                         4,469  | 
                      
                         | 
                      
                         4,190  | 
                      
                         | 
                      
                         6.7 %  | 
                    
| 
                         Acquisition revenues(1)  | 
                      
                         26  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         | 
                    
| 
                         Organic revenues  | 
                      
                         $ 4,443  | 
                      
                         | 
                      
                         $ 4,190  | 
                      
                         | 
                      
                         6.0 %  | 
                    
| 
                         | 
                      
                         | 
                    
| 
                         (1)  | 
                      
                         Current period acquisition revenues reflect revenues in the current as reported figures for 12 months from closing of each acquisition. Acquisition revenues for the three months ended October 3, 2025, for the National Security & Digital segment include Kudu Dynamics (acquired May 23, 2025).  | 
                    
| 
                         | 
                    ||||||||||
| 
                         | 
                    ||||||||||
| 
                         LEIDOS HOLDINGS, INC. UNAUDITED NON-GAAP FINANCIAL MEASURES [CONTINUED] (in millions, except per share data and margin percentages) The following tables present the reconciliation of non-GAAP operating income, net income, diluted EPS, adjusted EBITDA, and adjusted EBITDA margin to the most directly comparable GAAP measures for the three months ended October 3, 2025: 
  | 
                    ||||||||||
| 
                         | 
                      
                         | 
                      
                         Three Months Ended October 3, 2025  | 
                    ||||||||
| 
                         | 
                      
                         | 
                      
                         As reported  | 
                      
                         | 
                      
                         Acquisition, integration and restructuring costs  | 
                      
                         | 
                      
                         Amortization of acquired intangibles  | 
                      
                         | 
                      
                         Asset impairment charges  | 
                      
                         | 
                      
                         Non-GAAP results  | 
                    
| 
                         Operating income  | 
                      
                         | 
                      
                         $ 535  | 
                      
                         | 
                      
                         $ 4  | 
                      
                         | 
                      
                         $ 33  | 
                      
                         | 
                      
                         $ 3  | 
                      
                         | 
                      
                         $ 575  | 
                    
| 
                         Non-operating expense, net  | 
                      
                         | 
                      
                         (51)  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         (51)  | 
                    
| 
                         Income before income taxes  | 
                      
                         | 
                      
                         484  | 
                      
                         | 
                      
                         4  | 
                      
                         | 
                      
                         33  | 
                      
                         | 
                      
                         3  | 
                      
                         | 
                      
                         524  | 
                    
| 
                         Income tax expense(1)  | 
                      
                         | 
                      
                         (115)  | 
                      
                         | 
                      
                         (1)  | 
                      
                         | 
                      
                         (8)  | 
                      
                         | 
                      
                         (1)  | 
                      
                         | 
                      
                         (125)  | 
                    
| 
                         Net income  | 
                      
                         | 
                      
                         369  | 
                      
                         | 
                      
                         3  | 
                      
                         | 
                      
                         25  | 
                      
                         | 
                      
                         $ 2  | 
                      
                         | 
                      
                         399  | 
                    
| 
                         Less: net income attributable to non-controlling interest  | 
                      
                         | 
                      
                         2  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         2  | 
                    
| 
                         Net income attributable to Leidos common stockholders  | 
                      
                         | 
                      
                         $ 367  | 
                      
                         | 
                      
                         $ 3  | 
                      
                         | 
                      
                         $ 25  | 
                      
                         | 
                      
                         $ 2  | 
                      
                         | 
                      
                         $ 397  | 
                    
| 
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         Diluted EPS attributable to Leidos common stockholders(2)  | 
                      
                         | 
                      
                         $ 2.82  | 
                      
                         | 
                      
                         $ 0.02  | 
                      
                         | 
                      
                         $ 0.19  | 
                      
                         | 
                      
                         $ 0.02  | 
                      
                         | 
                      
                         $ 3.05  | 
                    
| 
                         Diluted shares  | 
                      
                         | 
                      
                         130  | 
                      
                         | 
                      
                         130  | 
                      
                         | 
                      
                         130  | 
                      
                         | 
                      
                         130  | 
                      
                         | 
                      
                         130  | 
                    
| 
                         | 
                      
                         | 
                      
                         | 
                    ||||||||
| 
                         | 
                      
                         | 
                      
                         Three Months Ended October 3, 2025  | 
                    ||||||||
| 
                         | 
                      
                         | 
                      
                         As reported  | 
                      
                         | 
                      
                         Acquisition, integration and restructuring costs  | 
                      
                         | 
                      
                         Amortization of acquired intangibles  | 
                      
                         | 
                      
                         Asset impairment charges  | 
                      
                         | 
                      
                         Non-GAAP results  | 
                    
| 
                         Net income  | 
                      
                         | 
                      
                         $ 369  | 
                      
                         | 
                      
                         $ 3  | 
                      
                         | 
                      
                         $ 25  | 
                      
                         | 
                      
                         $ 2  | 
                      
                         | 
                      
                         $ 399  | 
                    
| 
                         Income tax expense(1)  | 
                      
                         | 
                      
                         115  | 
                      
                         | 
                      
                         1  | 
                      
                         | 
                      
                         8  | 
                      
                         | 
                      
                         1  | 
                      
                         | 
                      
                         125  | 
                    
| 
                         Income before income taxes  | 
                      
                         | 
                      
                         484  | 
                      
                         | 
                      
                         4  | 
                      
                         | 
                      
                         33  | 
                      
                         | 
                      
                         3  | 
                      
                         | 
                      
                         524  | 
                    
| 
                         Depreciation expense  | 
                      
                         | 
                      
                         40  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         40  | 
                    
| 
                         Amortization of intangibles  | 
                      
                         | 
                      
                         34  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         (33)  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         1  | 
                    
| 
                         Interest expense, net  | 
                      
                         | 
                      
                         51  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         51  | 
                    
| 
                         Adjusted EBITDA  | 
                      
                         | 
                      
                         $ 609  | 
                      
                         | 
                      
                         $ 4  | 
                      
                         | 
                      
                         $ —  | 
                      
                         | 
                      
                         $ 3  | 
                      
                         | 
                      
                         $ 616  | 
                    
| 
                         Adjusted EBITDA margin  | 
                      
                         | 
                      
                         13.6 %  | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         13.8 %  | 
                    
| 
                         | 
                      
                         | 
                    
| 
                         (1)  | 
                      
                         Calculation uses an estimated statutory tax rate on non-GAAP adjustments.  | 
                    
| 
                         (2)  | 
                      
                         Earnings per share is computed independently for each of the non-GAAP adjustment presented and therefore may not sum to the total non-GAAP earnings per share due to rounding.  | 
                    
| 
                         LEIDOS HOLDINGS, INC. UNAUDITED NON-GAAP FINANCIAL MEASURES [CONTINUED] (in millions, except per share data and margin percentages) The following tables present the reconciliation of non-GAAP operating income, net income, diluted EPS, adjusted EBITDA, and adjusted EBITDA margin to the most directly comparable GAAP measures for the three months ended September 27, 2024: 
  | 
                    ||||||||||
| 
                         | 
                      
                         | 
                      
                         Three Months Ended September 27, 2024  | 
                    ||||||||
| 
                         | 
                      
                         | 
                      
                         As reported  | 
                      
                         | 
                      
                         Acquisition, integration and restructuring costs  | 
                      
                         | 
                      
                         Amortization of acquired intangibles  | 
                      
                         | 
                      
                         Asset impairment charges  | 
                      
                         | 
                      
                         Non-GAAP results  | 
                    
| 
                         Operating income  | 
                      
                         | 
                      
                         $ 516  | 
                      
                         | 
                      
                         $ 3  | 
                      
                         | 
                      
                         $ 37  | 
                      
                         | 
                      
                         $ 6  | 
                      
                         | 
                      
                         $ 562  | 
                    
| 
                         Non-operating expense, net  | 
                      
                         | 
                      
                         (46)  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         (46)  | 
                    
| 
                         Income before income taxes  | 
                      
                         | 
                      
                         470  | 
                      
                         | 
                      
                         3  | 
                      
                         | 
                      
                         37  | 
                      
                         | 
                      
                         6  | 
                      
                         | 
                      
                         516  | 
                    
| 
                         Income tax expense(1)  | 
                      
                         | 
                      
                         (108)  | 
                      
                         | 
                      
                         (1)  | 
                      
                         | 
                      
                         (9)  | 
                      
                         | 
                      
                         (2)  | 
                      
                         | 
                      
                         (120)  | 
                    
| 
                         Net income  | 
                      
                         | 
                      
                         362  | 
                      
                         | 
                      
                         2  | 
                      
                         | 
                      
                         28  | 
                      
                         | 
                      
                         4  | 
                      
                         | 
                      
                         396  | 
                    
| 
                         Less: net loss attributable to non-controlling interest  | 
                      
                         | 
                      
                         (2)  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         (2)  | 
                    
| 
                         Net income attributable to Leidos common stockholders  | 
                      
                         | 
                      
                         $ 364  | 
                      
                         | 
                      
                         $ 2  | 
                      
                         | 
                      
                         $ 28  | 
                      
                         | 
                      
                         $ 4  | 
                      
                         | 
                      
                         $ 398  | 
                    
| 
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         Diluted EPS attributable to Leidos common stockholders(2)  | 
                      
                         | 
                      
                         $ 2.68  | 
                      
                         | 
                      
                         $ 0.01  | 
                      
                         | 
                      
                         $ 0.21  | 
                      
                         | 
                      
                         $ 0.03  | 
                      
                         | 
                      
                         $ 2.93  | 
                    
| 
                         Diluted shares  | 
                      
                         | 
                      
                         136  | 
                      
                         | 
                      
                         136  | 
                      
                         | 
                      
                         136  | 
                      
                         | 
                      
                         136  | 
                      
                         | 
                      
                         136  | 
                    
| 
                         | 
                      
                         | 
                      
                         | 
                    ||||||||
| 
                         | 
                      
                         | 
                      
                         Three Months Ended September 27, 2024  | 
                    ||||||||
| 
                         | 
                      
                         | 
                      
                         As reported  | 
                      
                         | 
                      
                         Acquisition, integration and restructuring costs  | 
                      
                         | 
                      
                         Amortization of acquired intangibles  | 
                      
                         | 
                      
                         Asset impairment charges  | 
                      
                         | 
                      
                         Non-GAAP results  | 
                    
| 
                         Net income  | 
                      
                         | 
                      
                         $ 362  | 
                      
                         | 
                      
                         $ 2  | 
                      
                         | 
                      
                         $ 28  | 
                      
                         | 
                      
                         $ 4  | 
                      
                         | 
                      
                         $ 396  | 
                    
| 
                         Income tax expense(1)  | 
                      
                         | 
                      
                         108  | 
                      
                         | 
                      
                         1  | 
                      
                         | 
                      
                         9  | 
                      
                         | 
                      
                         2  | 
                      
                         | 
                      
                         120  | 
                    
| 
                         Income before income taxes  | 
                      
                         | 
                      
                         470  | 
                      
                         | 
                      
                         3  | 
                      
                         | 
                      
                         37  | 
                      
                         | 
                      
                         6  | 
                      
                         | 
                      
                         516  | 
                    
| 
                         Depreciation expense  | 
                      
                         | 
                      
                         34  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         34  | 
                    
| 
                         Amortization of intangibles  | 
                      
                         | 
                      
                         37  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         (37)  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                    
| 
                         Interest expense, net  | 
                      
                         | 
                      
                         46  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         46  | 
                    
| 
                         Adjusted EBITDA  | 
                      
                         | 
                      
                         $ 587  | 
                      
                         | 
                      
                         $ 3  | 
                      
                         | 
                      
                         $ —  | 
                      
                         | 
                      
                         $ 6  | 
                      
                         | 
                      
                         $ 596  | 
                    
| 
                         Adjusted EBITDA margin  | 
                      
                         | 
                      
                         14.0 %  | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         14.2 %  | 
                    
| 
                         | 
                      
                         | 
                    
| 
                         (1)  | 
                      
                         Calculation uses an estimated statutory tax rate on non-GAAP adjustments.  | 
                    
| 
                         (2)  | 
                      
                         Earnings per share is computed independently for each of the non-GAAP adjustment presented and therefore may not sum to the total non-GAAP earnings per share due to rounding.  | 
                    
| 
                         | 
                    ||||||||||
| 
                         | 
                    ||||||||||
| 
                         LEIDOS HOLDINGS, INC. UNAUDITED NON-GAAP FINANCIAL MEASURES [CONTINUED] (in millions, except per share data and margin percentages) The following tables present the reconciliation of non-GAAP operating income, net income, diluted EPS, adjusted EBITDA, and adjusted EBITDA margin to the most directly comparable GAAP measures for the nine months ended October 3, 2025: 
  | 
                    ||||||||||
| 
                         | 
                      
                         | 
                      
                         Nine Months Ended October 3, 2025  | 
                    ||||||||
| 
                         | 
                      
                         | 
                      
                         As reported  | 
                      
                         | 
                      
                         Acquisition, integration and restructuring costs(1)  | 
                      
                         | 
                      
                         Amortization of acquired intangibles  | 
                      
                         | 
                      
                         Asset impairment charges  | 
                      
                         | 
                      
                         Non-GAAP results  | 
                    
| 
                         Operating income  | 
                      
                         | 
                      
                         $ 1,636  | 
                      
                         | 
                      
                         $ 11  | 
                      
                         | 
                      
                         $ 95  | 
                      
                         | 
                      
                         $ 3  | 
                      
                         | 
                      
                         $ 1,745  | 
                    
| 
                         Non-operating expense, net  | 
                      
                         | 
                      
                         (156)  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         (156)  | 
                    
| 
                         Income before income taxes  | 
                      
                         | 
                      
                         1,480  | 
                      
                         | 
                      
                         11  | 
                      
                         | 
                      
                         95  | 
                      
                         | 
                      
                         3  | 
                      
                         | 
                      
                         1,589  | 
                    
| 
                         Income tax expense(2)  | 
                      
                         | 
                      
                         (353)  | 
                      
                         | 
                      
                         (2)  | 
                      
                         | 
                      
                         (24)  | 
                      
                         | 
                      
                         (1)  | 
                      
                         | 
                      
                         (380)  | 
                    
| 
                         Net income  | 
                      
                         | 
                      
                         1,127  | 
                      
                         | 
                      
                         9  | 
                      
                         | 
                      
                         71  | 
                      
                         | 
                      
                         $ 2  | 
                      
                         | 
                      
                         1,209  | 
                    
| 
                         Less: net income attributable to non-controlling interest  | 
                      
                         | 
                      
                         6  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         6  | 
                    
| 
                         Net income attributable to Leidos common stockholders  | 
                      
                         | 
                      
                         $ 1,121  | 
                      
                         | 
                      
                         $ 9  | 
                      
                         | 
                      
                         $ 71  | 
                      
                         | 
                      
                         $ 2  | 
                      
                         | 
                      
                         $ 1,203  | 
                    
| 
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         Diluted EPS attributable to Leidos common stockholders(3)  | 
                      
                         | 
                      
                         $ 8.62  | 
                      
                         | 
                      
                         $ 0.07  | 
                      
                         | 
                      
                         $ 0.55  | 
                      
                         | 
                      
                         $ 0.02  | 
                      
                         | 
                      
                         $ 9.25  | 
                    
| 
                         Diluted shares  | 
                      
                         | 
                      
                         130  | 
                      
                         | 
                      
                         130  | 
                      
                         | 
                      
                         130  | 
                      
                         | 
                      
                         130  | 
                      
                         | 
                      
                         130  | 
                    
| 
                         | 
                      
                         | 
                      
                         | 
                    ||||||||
| 
                         | 
                      
                         | 
                      
                         Nine Months Ended October 3, 2025  | 
                    ||||||||
| 
                         | 
                      
                         | 
                      
                         As reported  | 
                      
                         | 
                      
                         Acquisition, integration and restructuring costs(1)  | 
                      
                         | 
                      
                         Amortization of acquired intangibles  | 
                      
                         | 
                      
                         Asset impairment charges  | 
                      
                         | 
                      
                         Non-GAAP results  | 
                    
| 
                         Net income  | 
                      
                         | 
                      
                         $ 1,127  | 
                      
                         | 
                      
                         $ 9  | 
                      
                         | 
                      
                         $ 71  | 
                      
                         | 
                      
                         $ 2  | 
                      
                         | 
                      
                         $ 1,209  | 
                    
| 
                         Income tax expense(2)  | 
                      
                         | 
                      
                         353  | 
                      
                         | 
                      
                         2  | 
                      
                         | 
                      
                         24  | 
                      
                         | 
                      
                         1  | 
                      
                         | 
                      
                         380  | 
                    
| 
                         Income before income taxes  | 
                      
                         | 
                      
                         1,480  | 
                      
                         | 
                      
                         11  | 
                      
                         | 
                      
                         95  | 
                      
                         | 
                      
                         3  | 
                      
                         | 
                      
                         1,589  | 
                    
| 
                         Depreciation expense  | 
                      
                         | 
                      
                         119  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         119  | 
                    
| 
                         Amortization of intangibles  | 
                      
                         | 
                      
                         96  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         (95)  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         1  | 
                    
| 
                         Interest expense, net  | 
                      
                         | 
                      
                         155  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         155  | 
                    
| 
                         Adjusted EBITDA  | 
                      
                         | 
                      
                         $ 1,850  | 
                      
                         | 
                      
                         $ 11  | 
                      
                         | 
                      
                         $ —  | 
                      
                         | 
                      
                         $ 3  | 
                      
                         | 
                      
                         $ 1,864  | 
                    
| 
                         Adjusted EBITDA margin  | 
                      
                         | 
                      
                         14.3 %  | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         14.4 %  | 
                    
| 
                         | 
                      
                         | 
                    
| 
                         (1)  | 
                      
                         Asset markdowns associated with restructuring activities were recorded to "Cost of revenues" in the condensed consolidated statements of operations.  | 
                    
| 
                         (2)  | 
                      
                         Calculation uses an estimated statutory tax rate on non-GAAP adjustments.  | 
                    
| 
                         (3)  | 
                      
                         Earnings per share is computed independently for each of the non-GAAP adjustment presented and therefore may not sum to the total non-GAAP earnings per share due to rounding.  | 
                    
| 
                         | 
                    ||||||||||||
| 
                         | 
                    ||||||||||||
| 
                         LEIDOS HOLDINGS, INC. UNAUDITED NON-GAAP FINANCIAL MEASURES [CONTINUED] (in millions, except per share data and margin percentages) The following tables present the reconciliation of non-GAAP operating income, net income, diluted EPS, adjusted EBITDA, and adjusted EBITDA margin to the most directly comparable GAAP measures for the nine months ended September 27, 2024: 
  | 
                    ||||||||||||
| 
                         | 
                      
                         | 
                      
                         Nine Months Ended September 27, 2024  | 
                    ||||||||||
| 
                         | 
                      
                         | 
                      
                         As reported  | 
                      
                         | 
                      
                         Acquisition, integration and restructuring costs(1)  | 
                      
                         | 
                      
                         Amortization of acquired intangibles  | 
                      
                         | 
                      
                         Asset impairment charges  | 
                      
                         | 
                      
                         Gain on sale of intangible assets  | 
                      
                         | 
                      
                         Non-GAAP results  | 
                    
| 
                         Operating income  | 
                      
                         | 
                      
                         $ 1,406  | 
                      
                         | 
                      
                         $ 20  | 
                      
                         | 
                      
                         $ 110  | 
                      
                         | 
                      
                         $ 6  | 
                      
                         | 
                      
                         $ —  | 
                      
                         | 
                      
                         $ 1,542  | 
                    
| 
                         Non-operating expense, net  | 
                      
                         | 
                      
                         (142)  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         (2)  | 
                      
                         | 
                      
                         (144)  | 
                    
| 
                         Income before income taxes  | 
                      
                         | 
                      
                         1,264  | 
                      
                         | 
                      
                         20  | 
                      
                         | 
                      
                         110  | 
                      
                         | 
                      
                         6  | 
                      
                         | 
                      
                         (2)  | 
                      
                         | 
                      
                         1,398  | 
                    
| 
                         Income tax expense(2)  | 
                      
                         | 
                      
                         (295)  | 
                      
                         | 
                      
                         (4)  | 
                      
                         | 
                      
                         (28)  | 
                      
                         | 
                      
                         (2)  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         (329)  | 
                    
| 
                         Net income  | 
                      
                         | 
                      
                         969  | 
                      
                         | 
                      
                         16  | 
                      
                         | 
                      
                         82  | 
                      
                         | 
                      
                         4  | 
                      
                         | 
                      
                         (2)  | 
                      
                         | 
                      
                         1,069  | 
                    
| 
                         Less: net loss attributable to non-controlling interest  | 
                      
                         | 
                      
                         (1)  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         (1)  | 
                    
| 
                         Net income attributable to Leidos common stockholders  | 
                      
                         | 
                      
                         $ 970  | 
                      
                         | 
                      
                         $ 16  | 
                      
                         | 
                      
                         $ 82  | 
                      
                         | 
                      
                         $ 4  | 
                      
                         | 
                      
                         $ (2)  | 
                      
                         | 
                      
                         $ 1,070  | 
                    
| 
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         Diluted EPS attributable to Leidos common stockholders(3)  | 
                      
                         | 
                      
                         $ 7.13  | 
                      
                         | 
                      
                         $ 0.12  | 
                      
                         | 
                      
                         $ 0.60  | 
                      
                         | 
                      
                         $ 0.03  | 
                      
                         | 
                      
                         $ (0.01)  | 
                      
                         | 
                      
                         $ 7.87  | 
                    
| 
                         Diluted shares  | 
                      
                         | 
                      
                         136  | 
                      
                         | 
                      
                         136  | 
                      
                         | 
                      
                         136  | 
                      
                         | 
                      
                         136  | 
                      
                         | 
                      
                         136  | 
                      
                         | 
                      
                         136  | 
                    
| 
                         | 
                      
                         | 
                      
                         | 
                    ||||||||||
| 
                         | 
                      
                         | 
                      
                         Nine Months Ended September 27, 2024  | 
                    ||||||||||
| 
                         | 
                      
                         | 
                      
                         As reported  | 
                      
                         | 
                      
                         Acquisition, integration and restructuring costs(1)  | 
                      
                         | 
                      
                         Amortization of acquired intangibles  | 
                      
                         | 
                      
                         Asset impairment charges  | 
                      
                         | 
                      
                         Gain on sale of intangible assets  | 
                      
                         | 
                      
                         Non-GAAP results  | 
                    
| 
                         Net income  | 
                      
                         | 
                      
                         $ 969  | 
                      
                         | 
                      
                         $ 16  | 
                      
                         | 
                      
                         $ 82  | 
                      
                         | 
                      
                         $ 4  | 
                      
                         | 
                      
                         $ (2)  | 
                      
                         | 
                      
                         $ 1,069  | 
                    
| 
                         Income tax expense(2)  | 
                      
                         | 
                      
                         295  | 
                      
                         | 
                      
                         4  | 
                      
                         | 
                      
                         28  | 
                      
                         | 
                      
                         2  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         329  | 
                    
| 
                         Income before income taxes  | 
                      
                         | 
                      
                         1,264  | 
                      
                         | 
                      
                         20  | 
                      
                         | 
                      
                         110  | 
                      
                         | 
                      
                         6  | 
                      
                         | 
                      
                         (2)  | 
                      
                         | 
                      
                         1,398  | 
                    
| 
                         Depreciation expense  | 
                      
                         | 
                      
                         101  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         101  | 
                    
| 
                         Amortization of intangibles  | 
                      
                         | 
                      
                         110  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         (110)  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                    
| 
                         Interest expense, net  | 
                      
                         | 
                      
                         146  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         146  | 
                    
| 
                         Adjusted EBITDA  | 
                      
                         | 
                      
                         $ 1,621  | 
                      
                         | 
                      
                         $ 20  | 
                      
                         | 
                      
                         $ —  | 
                      
                         | 
                      
                         $ 6  | 
                      
                         | 
                      
                         $ (2)  | 
                      
                         | 
                      
                         $ 1,645  | 
                    
| 
                         Adjusted EBITDA margin  | 
                      
                         | 
                      
                         13.2 %  | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         13.4 %  | 
                    
| 
                         | 
                      
                         | 
                    
| 
                         (1)  | 
                      
                         Asset markdowns associated with restructuring activities were recorded to "Cost of revenues" in the condensed consolidated statements of operations.  | 
                    
| 
                         (2)  | 
                      
                         Calculation uses an estimated statutory tax rate on non-GAAP adjustments.  | 
                    
| 
                         (3)  | 
                      
                         Earnings per share is computed independently for each of the non-GAAP adjustment presented and therefore may not sum to the total non-GAAP earnings per share due to rounding.  | 
                    
| 
                         LEIDOS HOLDINGS, INC. UNAUDITED NON-GAAP FINANCIAL MEASURES [CONTINUED] (in millions, except margin percentages) The following tables present the reconciliation of non-GAAP operating income by reportable segment and Corporate to operating income: 
  | 
                    ||||||||||||
| 
                         | 
                      
                         | 
                      
                         Three Months Ended October 3, 2025  | 
                    ||||||||||
| 
                         | 
                      
                         | 
                      
                         Operating income (loss)  | 
                      
                         | 
                      
                         Acquisition, integration and restructuring costs  | 
                      
                         | 
                      
                         Amortization of acquired intangibles  | 
                      
                         | 
                      
                         Asset impairment charges  | 
                      
                         | 
                      
                         Non-GAAP operating income (loss)  | 
                      
                         | 
                      
                         Non-GAAP operating margin  | 
                    
| 
                         National Security & Digital  | 
                      
                         | 
                      
                         $ 191  | 
                      
                         | 
                      
                         $ 2  | 
                      
                         | 
                      
                         $ 8  | 
                      
                         | 
                      
                         $ —  | 
                      
                         | 
                      
                         $ 201  | 
                      
                         | 
                      
                         10.0 %  | 
                    
| 
                         Health & Civil  | 
                      
                         | 
                      
                         328  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         6  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         334  | 
                      
                         | 
                      
                         25.7 %  | 
                    
| 
                         Commercial & International  | 
                      
                         | 
                      
                         38  | 
                      
                         | 
                      
                         1  | 
                      
                         | 
                      
                         7  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         46  | 
                      
                         | 
                      
                         8.1 %  | 
                    
| 
                         Defense Systems  | 
                      
                         | 
                      
                         37  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         12  | 
                      
                         | 
                      
                         3  | 
                      
                         | 
                      
                         52  | 
                      
                         | 
                      
                         8.9 %  | 
                    
| 
                         Corporate  | 
                      
                         | 
                      
                         (59)  | 
                      
                         | 
                      
                         1  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         (58)  | 
                      
                         | 
                      
                         NM  | 
                    
| 
                         Total  | 
                      
                         | 
                      
                         $ 535  | 
                      
                         | 
                      
                         $ 4  | 
                      
                         | 
                      
                         $ 33  | 
                      
                         | 
                      
                         $ 3  | 
                      
                         | 
                      
                         $ 575  | 
                      
                         | 
                      
                         12.9 %  | 
                    
| 
                         | 
                      
                         | 
                      
                         Three Months Ended September 27, 2024  | 
                    ||||||||||
| 
                         | 
                      
                         | 
                      
                         Operating income (loss)  | 
                      
                         | 
                      
                         Acquisition, integration and restructuring costs  | 
                      
                         | 
                      
                         Amortization of acquired intangibles  | 
                      
                         | 
                      
                         Asset impairment charges  | 
                      
                         | 
                      
                         Non-GAAP operating income (loss)  | 
                      
                         | 
                      
                         Non-GAAP operating margin  | 
                    
| 
                         National Security & Digital  | 
                      
                         | 
                      
                         $ 187  | 
                      
                         | 
                      
                         $ —  | 
                      
                         | 
                      
                         $ 6  | 
                      
                         | 
                      
                         $ 2  | 
                      
                         | 
                      
                         $ 195  | 
                      
                         | 
                      
                         10.5 %  | 
                    
| 
                         Health & Civil  | 
                      
                         | 
                      
                         287  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         8  | 
                      
                         | 
                      
                         2  | 
                      
                         | 
                      
                         297  | 
                      
                         | 
                      
                         24.2 %  | 
                    
| 
                         Commercial & International  | 
                      
                         | 
                      
                         41  | 
                      
                         | 
                      
                         1  | 
                      
                         | 
                      
                         7  | 
                      
                         | 
                      
                         2  | 
                      
                         | 
                      
                         51  | 
                      
                         | 
                      
                         8.8 %  | 
                    
| 
                         Defense Systems  | 
                      
                         | 
                      
                         37  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         16  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         53  | 
                      
                         | 
                      
                         10.2 %  | 
                    
| 
                         Corporate  | 
                      
                         | 
                      
                         (36)  | 
                      
                         | 
                      
                         2  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         (34)  | 
                      
                         | 
                      
                         NM  | 
                    
| 
                         Total  | 
                      
                         | 
                      
                         $ 516  | 
                      
                         | 
                      
                         $ 3  | 
                      
                         | 
                      
                         $ 37  | 
                      
                         | 
                      
                         $ 6  | 
                      
                         | 
                      
                         $ 562  | 
                      
                         | 
                      
                         13.4 %  | 
                    
| 
                         | 
                      
                         | 
                      
                         Nine Months Ended October 3, 2025  | 
                    ||||||||||
| 
                         | 
                      
                         | 
                      
                         Operating income (loss)  | 
                      
                         | 
                      
                         Acquisition, integration and restructuring costs(1)  | 
                      
                         | 
                      
                         Amortization of acquired intangibles  | 
                      
                         | 
                      
                         Asset impairment charges  | 
                      
                         | 
                      
                         Non-GAAP operating income (loss)  | 
                      
                         | 
                      
                         Non-GAAP operating margin  | 
                    
| 
                         National Security & Digital  | 
                      
                         | 
                      
                         $ 564  | 
                      
                         | 
                      
                         $ 2  | 
                      
                         | 
                      
                         $ 20  | 
                      
                         | 
                      
                         $ —  | 
                      
                         | 
                      
                         $ 586  | 
                      
                         | 
                      
                         10.2 %  | 
                    
| 
                         Health & Civil  | 
                      
                         | 
                      
                         938  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         18  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         956  | 
                      
                         | 
                      
                         24.7 %  | 
                    
| 
                         Commercial & International  | 
                      
                         | 
                      
                         115  | 
                      
                         | 
                      
                         6  | 
                      
                         | 
                      
                         21  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         142  | 
                      
                         | 
                      
                         8.3 %  | 
                    
| 
                         Defense Systems  | 
                      
                         | 
                      
                         112  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         36  | 
                      
                         | 
                      
                         3  | 
                      
                         | 
                      
                         151  | 
                      
                         | 
                      
                         9.2 %  | 
                    
| 
                         Corporate  | 
                      
                         | 
                      
                         (93)  | 
                      
                         | 
                      
                         3  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         (90)  | 
                      
                         | 
                      
                         NM  | 
                    
| 
                         Total  | 
                      
                         | 
                      
                         $ 1,636  | 
                      
                         | 
                      
                         $ 11  | 
                      
                         | 
                      
                         $ 95  | 
                      
                         | 
                      
                         $ 3  | 
                      
                         | 
                      
                         $ 1,745  | 
                      
                         | 
                      
                         13.5 %  | 
                    
| 
                         | 
                    
| 
                         NM - Not Meaningful  | 
                    
| 
                         (1) Asset markdowns associated with restructuring activities were recorded to "Cost of revenues" in the condensed consolidated statements of operations.  | 
                    
| 
                         LEIDOS HOLDINGS, INC. UNAUDITED NON-GAAP FINANCIAL MEASURES [CONTINUED] (in millions, except margin percentages) The following tables present the reconciliation of non-GAAP operating income by reportable segment and Corporate to operating income: 
  | 
                    ||||||||||||
| 
                         | 
                      
                         | 
                      
                         Nine Months Ended September 27, 2024  | 
                    ||||||||||
| 
                         | 
                      
                         | 
                      
                         Operating income (loss)  | 
                      
                         | 
                      
                         Acquisition, integration and restructuring costs  | 
                      
                         | 
                      
                         Amortization of acquired intangibles  | 
                      
                         | 
                      
                         Asset impairment charges  | 
                      
                         | 
                      
                         Non-GAAP operating income (loss)  | 
                      
                         | 
                      
                         Non-GAAP operating margin  | 
                    
| 
                         National Security & Digital  | 
                      
                         | 
                      
                         $ 545  | 
                      
                         | 
                      
                         $ —  | 
                      
                         | 
                      
                         $ 17  | 
                      
                         | 
                      
                         $ 2  | 
                      
                         | 
                      
                         $ 564  | 
                      
                         | 
                      
                         10.3 %  | 
                    
| 
                         Health & Civil  | 
                      
                         | 
                      
                         816  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         21  | 
                      
                         | 
                      
                         2  | 
                      
                         | 
                      
                         839  | 
                      
                         | 
                      
                         22.8 %  | 
                    
| 
                         Commercial & International  | 
                      
                         | 
                      
                         64  | 
                      
                         | 
                      
                         9  | 
                      
                         | 
                      
                         22  | 
                      
                         | 
                      
                         2  | 
                      
                         | 
                      
                         97  | 
                      
                         | 
                      
                         5.9 %  | 
                    
| 
                         Defense Systems  | 
                      
                         | 
                      
                         92  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         50  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         142  | 
                      
                         | 
                      
                         9.5 %  | 
                    
| 
                         Corporate  | 
                      
                         | 
                      
                         (111)  | 
                      
                         | 
                      
                         11  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         —  | 
                      
                         | 
                      
                         (100)  | 
                      
                         | 
                      
                         NM  | 
                    
| 
                         Total  | 
                      
                         | 
                      
                         $ 1,406  | 
                      
                         | 
                      
                         $ 20  | 
                      
                         | 
                      
                         $ 110  | 
                      
                         | 
                      
                         $ 6  | 
                      
                         | 
                      
                         $ 1,542  | 
                      
                         | 
                      
                         12.5 %  | 
                    
| 
                         | 
                    
| 
                         NM - Not Meaningful  | 
                    
| 
                         LEIDOS HOLDINGS, INC. UNAUDITED NON-GAAP FINANCIAL MEASURES [CONTINUED] (in millions, except percentages) The following table presents the reconciliation of free cash flow to net cash provided by operating activities as well as the calculation of operating cash flow and free cash flow conversion ratios: 
  | 
                    ||||
| 
                         | 
                      
                         | 
                      
                         Three Months Ended  | 
                    ||
| 
                         | 
                      
                         | 
                      
                         October 3, 2025  | 
                      
                         | 
                      
                         September 27, 2024  | 
                    
| 
                         Net cash provided by operating activities(1)  | 
                      
                         | 
                      
                         $ 711  | 
                      
                         | 
                      
                         $ 647  | 
                    
| 
                         Payments for property, equipment and software  | 
                      
                         | 
                      
                         (31)  | 
                      
                         | 
                      
                         (23)  | 
                    
| 
                         Non-GAAP free cash flow  | 
                      
                         | 
                      
                         $ 680  | 
                      
                         | 
                      
                         $ 624  | 
                    
| 
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         Net income attributable to Leidos common stockholders  | 
                      
                         | 
                      
                         $ 367  | 
                      
                         | 
                      
                         $ 364  | 
                    
| 
                         Acquisition, integration and restructuring costs(2)  | 
                      
                         | 
                      
                         3  | 
                      
                         | 
                      
                         2  | 
                    
| 
                         Amortization of acquired intangibles(2)  | 
                      
                         | 
                      
                         25  | 
                      
                         | 
                      
                         28  | 
                    
| 
                         Asset impairment charges(2)  | 
                      
                         | 
                      
                         2  | 
                      
                         | 
                      
                         4  | 
                    
| 
                         Non-GAAP net income attributable to Leidos common stockholders  | 
                      
                         | 
                      
                         $ 397  | 
                      
                         | 
                      
                         $ 398  | 
                    
| 
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                      
                         | 
                    
| 
                         Operating cash flow conversion ratio  | 
                      
                         | 
                      
                         194 %  | 
                      
                         | 
                      
                         178 %  | 
                    
| 
                         Non-GAAP free cash flow conversion ratio  | 
                      
                         | 
                      
                         171 %  | 
                      
                         | 
                      
                         157 %  | 
                    
| 
                         | 
                      
                         | 
                    
| 
                         (1)  | 
                      
                         Net cash provided by operating activities for the three months ended September 27, 2024, was recast to reflect a change in accounting policy.  | 
                    
| 
                         (2)  | 
                      
                         After-tax expenses excluded from non-GAAP net income.  | 
                    
                  
 View original content:https://www.prnewswire.com/news-releases/leidos-posts-strong-third-quarter-results-and-raises-full-year-guidance-302603364.html
SOURCE Leidos Holdings, Inc.