v3.26.1
Business Segments Information - Summary of Segment Information (Details) - USD ($)
$ in Millions
 3 Months Ended
May 01, 2026
May 02, 2025
Business Combination [Line Items]    
Revenues $ 1,906 $ 1,877
Labor base 564 564
Other Cost and Expense (Income), Operating 1,121 1,155
Adjusted operating income (loss) 221 158
Defense and Intelligence    
Business Combination [Line Items]    
Revenues 1,466 1,433
Labor base 436 431
Other Cost and Expense (Income), Operating 884 887
Adjusted operating income (loss) 146 115
Civilian    
Business Combination [Line Items]    
Revenues 440 444
Labor base 128 133
Other Cost and Expense (Income), Operating 244 259
Adjusted operating income (loss) 68 52
Corporate Segment    
Business Combination [Line Items]    
Revenues 0 0
Labor base 0 0
Other Cost and Expense (Income), Operating (7) 9
Adjusted operating income (loss) $ 7 $ (9)