v3.26.3
Acquisitions, Goodwill, and Intangible Assets - Narrative (Details) - USD ($)
$ in Millions
6 Months Ended
Aug. 24, 2026
Apr. 06, 2026
Sep. 30, 2026
Mar. 31, 2026
Business Combination [Line Items]        
Goodwill     $ 3,028 $ 2,399
Increase in the carrying amount of goodwill     $ 629  
Ultra I&C Mission Solutions        
Business Combination [Line Items]        
Aggregate purchase amount $ 729      
Goodwill 501      
Finite-lived intangibles 284      
Liability 56      
Deferred tax liabilities 72      
Ultra I&C Mission Solutions | Contract related assets        
Business Combination [Line Items]        
Finite-lived intangibles $ 213      
Useful life (in years) 13 years      
Ultra I&C Mission Solutions | Developed technology        
Business Combination [Line Items]        
Finite-lived intangibles $ 71      
Useful life (in years) 8 years      
Defy Security        
Business Combination [Line Items]        
Aggregate purchase amount   $ 235    
Goodwill   128    
Finite-lived intangibles   $ 88    
Useful life (in years)   8 years    
Goodwill tax deductible   $ 128    
Remaining tangible net assets acquired   19    
Billed and unbilled accounts receivable   221    
Non‑current unbilled receivables   89    
Accounts payable, accrued expenses   217    
Non‑current accrued expenses   $ 80