v3.26.1
INFORMATION ON BUSINESS SEGMENTS - Schedule of Financial Information for Each Business Segment (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 28, 2026
Jun. 29, 2025
Jun. 28, 2026
Jun. 29, 2025
Sales        
Total sales $ 20,063 $ 18,155 $ 38,084 $ 36,118
Other segment items        
Total other segment items 17,617 17,421 33,560 33,061
Operating profit (loss)        
Total business segment operating profit 2,479 748 4,542 3,120
Unallocated items        
Impairment and other charges 0 (66) 0 (66)
Operating Segments        
Sales        
Total sales 20,063 18,155 38,084 36,118
Other segment items        
Total other segment items 17,901 17,584 34,099 33,462
Operating profit (loss)        
Total business segment operating profit 2,162 571 3,985 2,656
Unallocated items        
Unallocated items        
FAS/CAS pension operating adjustment 422 379 843 758
Impairment and other charges 0 (66) 0 (66)
Intangible asset amortization expense (50) (63) (100) (127)
Other, net (55) (73) (186) (101)
Total unallocated items 317 177 557 464
Intersegment sales        
Sales        
Total sales (1,105) (1,044) (2,112) (1,949)
Aeronautics | Operating Segments        
Sales        
Total sales 8,112 7,420 15,065 14,477
Other segment items        
Total other segment items 7,352 7,518 13,686 13,855
Operating profit (loss)        
Total business segment operating profit 760 (98) 1,379 622
Aeronautics | Intersegment sales        
Sales        
Total sales (112) (97) (205) (186)
MFC | Operating Segments        
Sales        
Total sales 4,101 3,433 7,750 6,806
Other segment items        
Total other segment items 3,507 2,954 6,656 5,862
Operating profit (loss)        
Total business segment operating profit 594 479 1,094 944
MFC | Intersegment sales        
Sales        
Total sales (252) (231) (490) (398)
RMS | Operating Segments        
Sales        
Total sales 4,354 3,995 8,345 8,323
Other segment items        
Total other segment items 3,917 4,167 7,485 7,974
Operating profit (loss)        
Total business segment operating profit 437 (172) 860 349
RMS | Intersegment sales        
Sales        
Total sales (662) (632) (1,257) (1,198)
Space | Operating Segments        
Sales        
Total sales 3,496 3,307 6,924 6,512
Other segment items        
Total other segment items 3,125 2,945 6,272 5,771
Operating profit (loss)        
Total business segment operating profit 371 362 652 741
Space | Intersegment sales        
Sales        
Total sales $ (79) $ (84) $ (160) $ (167)