v3.26.3
INFORMATION ON BUSINESS SEGMENTS - Schedule of Financial Information for Each Business Segment (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 27, 2026
Sep. 28, 2025
Sep. 27, 2026
Sep. 28, 2025
Sales        
Total sales $ 20,711 $ 18,609 $ 58,795 $ 54,727
Other segment items        
Total operating costs and expenses 18,275 16,369 51,835 49,430
Operating profit        
Total business segment operating profit 2,443 2,280 6,985 5,400
Unallocated items        
Impairment and other charges 0 0 0 (66)
Operating Segments        
Sales        
Total sales 20,711 18,609 58,795 54,727
Other segment items        
Total operating costs and expenses 18,482 16,580 52,581 50,042
Operating profit        
Total business segment operating profit 2,229 2,029 6,214 4,685
Unallocated items        
Unallocated items        
FAS/CAS pension operating adjustment 421 380 1,264 1,138
Impairment and other charges 0 0 0 (66)
Intangible asset amortization expense (49) (70) (149) (197)
Other, net (158) (59) (344) (160)
Total unallocated items 214 251 771 715
Intersegment sales        
Sales        
Total sales (1,168) (960) (3,280) (2,909)
Aeronautics | Operating Segments        
Sales        
Total sales 8,214 7,256 23,279 21,733
Other segment items        
Total operating costs and expenses 7,471 6,574 21,157 20,429
Operating profit        
Total business segment operating profit 743 682 2,122 1,304
Aeronautics | Intersegment sales        
Sales        
Total sales (123) (85) (328) (271)
MFC | Operating Segments        
Sales        
Total sales 4,501 3,624 12,251 10,430
Other segment items        
Total operating costs and expenses 3,870 3,114 10,526 8,976
Operating profit        
Total business segment operating profit 631 510 1,725 1,454
MFC | Intersegment sales        
Sales        
Total sales (291) (218) (781) (616)
RMS | Operating Segments        
Sales        
Total sales 4,511 4,373 12,856 12,696
Other segment items        
Total operating costs and expenses 3,987 3,867 11,472 11,841
Operating profit        
Total business segment operating profit 524 506 1,384 855
RMS | Intersegment sales        
Sales        
Total sales (677) (580) (1,934) (1,778)
Space | Operating Segments        
Sales        
Total sales 3,485 3,356 10,409 9,868
Other segment items        
Total operating costs and expenses 3,154 3,025 9,426 8,796
Operating profit        
Total business segment operating profit 331 331 983 1,072
Space | Intersegment sales        
Sales        
Total sales $ (77) $ (77) $ (237) $ (244)