Segment Information Reconciliation to Consolidated Operating Income (Details 1) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Sales and Service Revenues by Segment (Table Amounts) [Abstract]
Sales	$ 41,033	$ 39,290	$ 36,602
Total operating costs and expenses	36,663	36,753	33,001
Operating income	4,370	2,537	3,601
Product [Member]
Sales and Service Revenues by Segment (Table Amounts) [Abstract]
Sales	32,726	30,897	28,522
Service [Member]
Sales and Service Revenues by Segment (Table Amounts) [Abstract]
Sales	8,307	8,393	8,080
Operating Segments
Sales and Service Revenues by Segment (Table Amounts) [Abstract]
Operating income	4,544	2,760	4,253
Operating Segments | Aeronautics Systems
Sales and Service Revenues by Segment (Table Amounts) [Abstract]
Sales	12,030	10,786	10,531
Operating income	1,182	(473)	1,116
Operating Segments | Defense Systems
Sales and Service Revenues by Segment (Table Amounts) [Abstract]
Sales	8,560	8,289	7,629
Operating income	866	829	781
Operating Segments | Mission Systems
Sales and Service Revenues by Segment (Table Amounts) [Abstract]
Sales	11,399	10,895	10,396
Operating income	1,598	1,609	1,618
Operating Segments | Space Systems
Sales and Service Revenues by Segment (Table Amounts) [Abstract]
Sales	11,731	11,873	10,570
Operating income	1,254	1,130	1,078
Operating Segments | Product [Member] | Aeronautics Systems
Sales and Service Revenues by Segment (Table Amounts) [Abstract]
Total operating costs and expenses	8,248	8,942	7,161
Operating Segments | Product [Member] | Defense Systems
Sales and Service Revenues by Segment (Table Amounts) [Abstract]
Total operating costs and expenses	5,304	4,819	4,163
Operating Segments | Product [Member] | Mission Systems
Sales and Service Revenues by Segment (Table Amounts) [Abstract]
Total operating costs and expenses	7,000	6,669	6,291
Operating Segments | Product [Member] | Space Systems
Sales and Service Revenues by Segment (Table Amounts) [Abstract]
Total operating costs and expenses	8,711	8,844	7,664
Operating Segments | Service [Member] | Aeronautics Systems
Sales and Service Revenues by Segment (Table Amounts) [Abstract]
Total operating costs and expenses	2,382	2,099	2,042
Operating Segments | Service [Member] | Defense Systems
Sales and Service Revenues by Segment (Table Amounts) [Abstract]
Total operating costs and expenses	1,641	1,959	1,985
Operating Segments | Service [Member] | Mission Systems
Sales and Service Revenues by Segment (Table Amounts) [Abstract]
Total operating costs and expenses	1,805	1,730	1,639
Operating Segments | Service [Member] | Space Systems
Sales and Service Revenues by Segment (Table Amounts) [Abstract]
Total operating costs and expenses	1,398	1,468	1,404
Operating Segments | Intersegment Costs [Member] | Aeronautics Systems
Sales and Service Revenues by Segment (Table Amounts) [Abstract]
Total operating costs and expenses	218	218	212
Operating Segments | Intersegment Costs [Member] | Defense Systems
Sales and Service Revenues by Segment (Table Amounts) [Abstract]
Total operating costs and expenses	749	682	700
Operating Segments | Intersegment Costs [Member] | Mission Systems
Sales and Service Revenues by Segment (Table Amounts) [Abstract]
Total operating costs and expenses	996	887	848
Operating Segments | Intersegment Costs [Member] | Space Systems
Sales and Service Revenues by Segment (Table Amounts) [Abstract]
Total operating costs and expenses	368	431	424
Intersegment OM
Sales and Service Revenues by Segment (Table Amounts) [Abstract]
Sales	2,687	2,553	2,524
Operating income	356	335	340
Intersegment OM | Aeronautics Systems
Sales and Service Revenues by Segment (Table Amounts) [Abstract]
Sales	243	240	239
Operating income	25	22	27
Intersegment OM | Defense Systems
Sales and Service Revenues by Segment (Table Amounts) [Abstract]
Sales	855	776	794
Operating income	106	94	94
Intersegment OM | Mission Systems
Sales and Service Revenues by Segment (Table Amounts) [Abstract]
Sales	1,177	1,054	1,015
Operating income	181	167	167
Intersegment OM | Space Systems
Sales and Service Revenues by Segment (Table Amounts) [Abstract]
Sales	412	483	476
Operating income	44	52	52
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member]
Sales and Service Revenues by Segment (Table Amounts) [Abstract]
FAS/CAS Operating Adjustment	40	(82)	(200)
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]
Sales and Service Revenues by Segment (Table Amounts) [Abstract]
Operating income	$ (214)	$ (141)	$ (452)