v3.26.1
INFORMATION ON BUSINESS SEGMENTS - Schedule of FAS/CAS Pension Adjustment (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 28, 2026
Jun. 29, 2025
Jun. 28, 2026
Jun. 29, 2025
Segment Reporting [Line Items]        
FAS pension expense     $ (184) $ (223)
Unallocated items        
Segment Reporting [Line Items]        
FAS pension expense $ (92) $ (112) (184) (223)
Less: CAS pension cost 434 392 867 784
Total FAS/CAS pension adjustment 342 280 683 561
Service cost (12) (13) (24) (26)
FAS/CAS pension operating adjustment 422 379 843 758
Non-service FAS pension expense $ (80) $ (99) $ (160) $ (197)