v3.26.1
Description of the Plan (Details) - EBP 001
 12 Months Ended
Dec. 31, 2025
USD ($)
distribution
Dec. 31, 2024
USD ($)
EBP, Description of Plan [Line Items]    
Eligible compensation percentage 75.00%  
Undistributed participant account balances transferred into the Plan $ 0 $ 3,319,000
Forfeitures used to offset Employer contributions 784,000 1,347,000
Forfeited accounts used to decrease expenses 0 70,000
Forfeited amounts to offset contibutions $ 25,000 123,000
Maximum borrowing percentage for not receivable 50.00%  
Note receivable from participant maximum borrowing amount $ 50,000  
Maximum borrowing term for residence 60 months  
Maximum borrowing term 30 years  
Basis spread on variable rate 1.00%  
Involuntary cash-out limit $ 1,000  
Vested balance minimum to not be distributed $ 7,000  
Number of distributions former employees may elect to receive in any given Plan year | distribution 2  
Investments, at fair value $ 5,931,416,000 5,366,221,000
Minimum    
EBP, Description of Plan [Line Items]    
Automatic IRA rollover amount $ 1,000  
Maximum    
EBP, Description of Plan [Line Items]    
Employer contribution, matching percentage 4.00%  
Automatic IRA rollover amount $ 7,000  
SAIC common stock    
EBP, Description of Plan [Line Items]    
Eligible compensation percentage 50.00%  
Investments, at fair value $ 89,951,000 108,969,000
Dividends earned $ 1,381,000 $ 1,491,000