v3.25.3
BUSINESS SEGMENT INFORMATION - Disaggregation of Revenue (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Oct. 03, 2025
Sep. 27, 2024
Oct. 03, 2025
Sep. 27, 2024
Disaggregation of Revenue [Line Items]        
Revenue $ 5,659 $ 5,292 $ 16,217 $ 15,802
CS | United States        
Disaggregation of Revenue [Line Items]        
Revenue 948 975 2,695 2,786
CS | International        
Disaggregation of Revenue [Line Items]        
Revenue 496 390 1,448 1,183
CS | Fixed-price        
Disaggregation of Revenue [Line Items]        
Revenue 1,231 1,146 3,550 3,329
CS | Cost-type        
Disaggregation of Revenue [Line Items]        
Revenue 213 219 593 640
CS | Intersegment        
Disaggregation of Revenue [Line Items]        
Revenue (18) (17) (47) (53)
CS | Operating segments        
Disaggregation of Revenue [Line Items]        
Revenue 1,462 1,382 4,190 4,022
IMS | United States        
Disaggregation of Revenue [Line Items]        
Revenue 1,290 1,150 3,671 3,537
IMS | International        
Disaggregation of Revenue [Line Items]        
Revenue 389 443 1,187 1,330
IMS | Fixed-price        
Disaggregation of Revenue [Line Items]        
Revenue 1,192 1,196 3,695 3,745
IMS | Cost-type        
Disaggregation of Revenue [Line Items]        
Revenue 487 397 1,163 1,122
IMS | Intersegment        
Disaggregation of Revenue [Line Items]        
Revenue (21) (15) (56) (39)
IMS | Operating segments        
Disaggregation of Revenue [Line Items]        
Revenue 1,700 1,608 4,914 4,906
SAS | United States        
Disaggregation of Revenue [Line Items]        
Revenue 1,572 1,484 4,515 4,479
SAS | International        
Disaggregation of Revenue [Line Items]        
Revenue 217 187 642 622
SAS | Fixed-price        
Disaggregation of Revenue [Line Items]        
Revenue 1,203 1,012 3,392 3,192
SAS | Cost-type        
Disaggregation of Revenue [Line Items]        
Revenue 586 659 1,765 1,909
SAS | Intersegment        
Disaggregation of Revenue [Line Items]        
Revenue (20) (12) (50) (40)
SAS | Operating segments        
Disaggregation of Revenue [Line Items]        
Revenue 1,809 1,683 5,207 5,141
AR | United States        
Disaggregation of Revenue [Line Items]        
Revenue 619 651 1,825 1,828
AR | International        
Disaggregation of Revenue [Line Items]        
Revenue 128 12 234 37
AR | Fixed-price        
Disaggregation of Revenue [Line Items]        
Revenue 490 423 1,332 1,138
AR | Cost-type        
Disaggregation of Revenue [Line Items]        
Revenue 257 240 727 727
AR | Intersegment        
Disaggregation of Revenue [Line Items]        
Revenue (8) (6) (23) (21)
AR | Operating segments        
Disaggregation of Revenue [Line Items]        
Revenue 755 669 2,082 1,886
Prime contractor | CS        
Disaggregation of Revenue [Line Items]        
Revenue 1,127 977 3,154 2,805
Prime contractor | IMS        
Disaggregation of Revenue [Line Items]        
Revenue 1,220 1,036 3,440 3,176
Prime contractor | SAS        
Disaggregation of Revenue [Line Items]        
Revenue 1,114 1,008 3,230 3,192
Prime contractor | AR        
Disaggregation of Revenue [Line Items]        
Revenue 173 164 473 495
Subcontractor | CS        
Disaggregation of Revenue [Line Items]        
Revenue 317 388 989 1,164
Subcontractor | IMS        
Disaggregation of Revenue [Line Items]        
Revenue 459 557 1,418 1,691
Subcontractor | SAS        
Disaggregation of Revenue [Line Items]        
Revenue 675 663 1,927 1,909
Subcontractor | AR        
Disaggregation of Revenue [Line Items]        
Revenue $ 574 $ 499 $ 1,586 $ 1,370