v3.26.1
Revenues - Disaggregation of Revenues (Details) - USD ($)
$ in Millions
 3 Months Ended
May 01, 2026
May 02, 2025
Disaggregation of Revenue [Line Items]    
Total revenues $ 1,906 $ 1,877
Prime contractor to federal government    
Disaggregation of Revenue [Line Items]    
Total revenues 1,710 1,671
Subcontractor to federal government    
Disaggregation of Revenue [Line Items]    
Total revenues 147 167
Other    
Disaggregation of Revenue [Line Items]    
Total revenues 49 39
Defense and Intelligence    
Disaggregation of Revenue [Line Items]    
Total revenues 1,466 1,433
Defense and Intelligence | Prime contractor to federal government    
Disaggregation of Revenue [Line Items]    
Total revenues 1,339 1,299
Defense and Intelligence | Subcontractor to federal government    
Disaggregation of Revenue [Line Items]    
Total revenues 121 128
Defense and Intelligence | Other    
Disaggregation of Revenue [Line Items]    
Total revenues 6 6
Civilian    
Disaggregation of Revenue [Line Items]    
Total revenues 440 444
Civilian | Prime contractor to federal government    
Disaggregation of Revenue [Line Items]    
Total revenues 371 372
Civilian | Subcontractor to federal government    
Disaggregation of Revenue [Line Items]    
Total revenues 26 39
Civilian | Other    
Disaggregation of Revenue [Line Items]    
Total revenues 43 33
Cost reimbursement    
Disaggregation of Revenue [Line Items]    
Total revenues 1,172 1,154
Cost reimbursement | Defense and Intelligence    
Disaggregation of Revenue [Line Items]    
Total revenues 1,164 1,134
Cost reimbursement | Civilian    
Disaggregation of Revenue [Line Items]    
Total revenues 8 20
Time and materials ("T&M")    
Disaggregation of Revenue [Line Items]    
Total revenues 444 433
Time and materials ("T&M") | Defense and Intelligence    
Disaggregation of Revenue [Line Items]    
Total revenues 138 141
Time and materials ("T&M") | Civilian    
Disaggregation of Revenue [Line Items]    
Total revenues 306 292
Firm-fixed price ("FFP")    
Disaggregation of Revenue [Line Items]    
Total revenues 290 290
Firm-fixed price ("FFP") | Defense and Intelligence    
Disaggregation of Revenue [Line Items]    
Total revenues 164 158
Firm-fixed price ("FFP") | Civilian    
Disaggregation of Revenue [Line Items]    
Total revenues 126 132
Department of War    
Disaggregation of Revenue [Line Items]    
Total revenues 982 985
Department of War | Defense and Intelligence    
Disaggregation of Revenue [Line Items]    
Total revenues 981 982
Department of War | Civilian    
Disaggregation of Revenue [Line Items]    
Total revenues 1 3
Intelligence and other federal government agencies    
Disaggregation of Revenue [Line Items]    
Total revenues 875 853
Intelligence and other federal government agencies | Defense and Intelligence    
Disaggregation of Revenue [Line Items]    
Total revenues 479 445
Intelligence and other federal government agencies | Civilian    
Disaggregation of Revenue [Line Items]    
Total revenues 396 408
Commercial, state and local governments and international    
Disaggregation of Revenue [Line Items]    
Total revenues 49 39
Commercial, state and local governments and international | Defense and Intelligence    
Disaggregation of Revenue [Line Items]    
Total revenues 6 6
Commercial, state and local governments and international | Civilian    
Disaggregation of Revenue [Line Items]    
Total revenues $ 43 $ 33