INFORMATION ON BUSINESS SEGMENTS - Summary Operating Results For Each Business Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 26, 2023
Net sales
Total net sales	$ 17,195	$ 15,126
Operating profit
Total operating profit	2,029	2,037
Aeronautics
Net sales
Total net sales	6,845	6,269
Missiles and Fire Control
Net sales
Total net sales	2,993	2,388
Rotary and Mission Systems
Net sales
Total net sales	4,088	3,510
Space
Net sales
Total net sales	3,269	2,959
Business Segments
Net sales
Total net sales	17,195	15,126
Operating profit
Total operating profit	1,745	1,682
Business Segments | Aeronautics
Net sales
Total net sales	6,845	6,269
Operating profit
Total operating profit	679	675
Business Segments | Missiles and Fire Control
Net sales
Total net sales	2,993	2,388
Operating profit
Total operating profit	311	377
Business Segments | Rotary and Mission Systems
Net sales
Total net sales	4,088	3,510
Operating profit
Total operating profit	430	350
Business Segments | Space
Net sales
Total net sales	3,269	2,959
Operating profit
Total operating profit	325	280
Unallocated items
Unallocated items
Total FAS/CAS pension operating adjustment	406	415
Intangible asset amortization expense	(61)	(62)
Other, net	(61)	2
Total unallocated items	284	355
Intersegment sales
Net sales
Total net sales	965	774
Intersegment sales | Aeronautics
Net sales
Total net sales	70	53
Intersegment sales | Missiles and Fire Control
Net sales
Total net sales	202	146
Intersegment sales | Rotary and Mission Systems
Net sales
Total net sales	586	489
Intersegment sales | Space
Net sales
Total net sales	$ 107	$ 86