v3.25.3
Business Segments Information - Summary of Segment Information (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Oct. 31, 2025
Nov. 01, 2024
Oct. 31, 2025
Nov. 01, 2024
Business Combination [Line Items]        
Revenues $ 1,866 $ 1,976 $ 5,512 $ 5,641
Labor base 550 550 1,648 1,636
Other Cost and Expense (Income), Operating 1,133 1,231 3,341 3,476
Adjusted operating income (loss) 183 195 523 529
Defense and Intelligence        
Business Combination [Line Items]        
Revenues 1,439 1,515 4,246 4,366
Labor base 423 423 1,264 1,255
Other Cost and Expense (Income), Operating 898 944 2,625 2,715
Adjusted operating income (loss) 118 148 357 396
Civilian        
Business Combination [Line Items]        
Revenues 427 461 1,266 1,275
Labor base 127 127 384 381
Other Cost and Expense (Income), Operating 238 285 714 753
Adjusted operating income (loss) 62 49 168 141
Corporate Segment        
Business Combination [Line Items]        
Revenues 0 0 0 0
Labor base 0 0 0 0
Other Cost and Expense (Income), Operating (3) 2 2 8
Adjusted operating income (loss) $ 3 $ (2) $ (2) $ (8)