v3.26.3
Segment Information (Unaudited) Reconciliation to Consolidated Operating Income (Details 1) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
May 24, 2025
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Segment Reporting, Revenue [Abstract]          
Revenues   $ 11,122 $ 10,423 $ 31,879 $ 30,242
Total operating costs and expenses   9,853 9,181 28,525 27,233
Operating income   1,269 1,242 3,354 3,240
Interest and Debt Expense   (158) (161) (481) (490)
Non-operating FAS pension benefit   167 136 499 403
Other, net   20 106 124 175
Earnings before income taxes   1,298 1,323 3,496 3,328
Gain on sale of business $ 231 0 0 0 231
Product [Member]          
Segment Reporting, Revenue [Abstract]          
Revenues   9,098 8,369 25,864 24,148
Service [Member]          
Segment Reporting, Revenue [Abstract]          
Revenues   2,024 2,054 6,015 6,094
Operating Segments [Member]          
Segment Reporting, Revenue [Abstract]          
Operating income   1,345 1,277 3,575 3,064
Operating Segments [Member] | Aeronautics Systems [Member]          
Segment Reporting, Revenue [Abstract]          
Revenues   3,575 3,142 10,377 9,070
Operating income   377 305 1,044 443
Operating Segments [Member] | Aeronautics Systems [Member] | Product [Member]          
Segment Reporting, Revenue [Abstract]          
Total operating costs and expenses   2,463 2,108 7,180 6,575
Operating Segments [Member] | Aeronautics Systems [Member] | Service [Member]          
Segment Reporting, Revenue [Abstract]          
Total operating costs and expenses   698 690 2,048 1,940
Operating Segments [Member] | Aeronautics Systems [Member] | Intersegment Costs [Member]          
Segment Reporting, Revenue [Abstract]          
Total operating costs and expenses   37 39 105 112
Operating Segments [Member] | Defense Systems [Member]          
Segment Reporting, Revenue [Abstract]          
Revenues   2,307 2,059 6,299 5,855
Operating income   250 234 590 666
Operating Segments [Member] | Defense Systems [Member] | Product [Member]          
Segment Reporting, Revenue [Abstract]          
Total operating costs and expenses   1,717 1,483 4,668 4,117
Operating Segments [Member] | Defense Systems [Member] | Service [Member]          
Segment Reporting, Revenue [Abstract]          
Total operating costs and expenses   287 297 893 940
Operating Segments [Member] | Defense Systems [Member] | Intersegment Costs [Member]          
Segment Reporting, Revenue [Abstract]          
Total operating costs and expenses   53 45 148 132
Operating Segments [Member] | Mission Systems [Member]          
Segment Reporting, Revenue [Abstract]          
Revenues   3,155 3,093 9,266 9,057
Operating income   500 515 1,434 1,317
Operating Segments [Member] | Mission Systems [Member] | Product [Member]          
Segment Reporting, Revenue [Abstract]          
Total operating costs and expenses   1,895 1,825 5,477 5,500
Operating Segments [Member] | Mission Systems [Member] | Service [Member]          
Segment Reporting, Revenue [Abstract]          
Total operating costs and expenses   440 466 1,312 1,383
Operating Segments [Member] | Mission Systems [Member] | Intersegment Costs [Member]          
Segment Reporting, Revenue [Abstract]          
Total operating costs and expenses   320 287 1,043 857
Operating Segments [Member] | Space Systems [Member]          
Segment Reporting, Revenue [Abstract]          
Revenues   2,749 2,698 7,982 7,912
Operating income   312 298 783 861
Operating Segments [Member] | Space Systems [Member] | Product [Member]          
Segment Reporting, Revenue [Abstract]          
Total operating costs and expenses   1,956 1,980 5,817 5,702
Operating Segments [Member] | Space Systems [Member] | Service [Member]          
Segment Reporting, Revenue [Abstract]          
Total operating costs and expenses   321 297 909 1,021
Operating Segments [Member] | Space Systems [Member] | Intersegment Costs [Member]          
Segment Reporting, Revenue [Abstract]          
Total operating costs and expenses   160 123 473 328
Intersegment OM          
Segment Reporting, Revenue [Abstract]          
Operating income   94 75 276 223
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member]          
Segment Reporting, Revenue [Abstract]          
Total operating costs and expenses   (91) (102) (250) (17)
FAS/CAS operating adjustment   $ 15 $ 67 $ 29 $ 193