INFORMATION ON BUSINESS SEGMENTS - Summary Operating Results For Each Business Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 26, 2023	Mar. 27, 2022
Net sales
Total net sales	$ 15,126	$ 14,964
Operating profit
Total operating profit	2,037	1,933
Aeronautics
Net sales
Total net sales	6,269	6,401
Missiles and Fire Control
Net sales
Total net sales	2,388	2,452
Rotary and Mission Systems
Net sales
Total net sales	3,510	3,552
Space
Net sales
Total net sales	2,959	2,559
Business Segments
Net sales
Total net sales	15,126	14,964
Operating profit
Total operating profit	1,682	1,718
Business Segments | Aeronautics
Net sales
Total net sales	6,269	6,401
Operating profit
Total operating profit	675	679
Business Segments | Missiles and Fire Control
Net sales
Total net sales	2,388	2,452
Operating profit
Total operating profit	377	385
Business Segments | Rotary and Mission Systems
Net sales
Total net sales	3,510	3,552
Operating profit
Total operating profit	350	406
Business Segments | Space
Net sales
Total net sales	2,959	2,559
Operating profit
Total operating profit	280	248
Unallocated items
Unallocated items
Total FAS/CAS pension operating adjustment	415	426
Intangible asset amortization expense	(62)	(62)
Other, net	2	(149)
Total unallocated items	355	215
Intersegment sales
Net sales
Total net sales	774	754
Intersegment sales | Aeronautics
Net sales
Total net sales	53	60
Intersegment sales | Missiles and Fire Control
Net sales
Total net sales	146	156
Intersegment sales | Rotary and Mission Systems
Net sales
Total net sales	489	455
Intersegment sales | Space
Net sales
Total net sales	$ 86	$ 83