Segment Information Intersegment Sales and Operating Income (Details 6) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Sales	$ 41,033	$ 39,290	$ 36,602
Operating income	4,370	2,537	3,601
Intersegment Sales
Segment Reporting Information [Line Items]
Sales	2,687	2,553	2,524
Operating income	356	335	340
Intersegment Sales | Aeronautics Systems
Segment Reporting Information [Line Items]
Sales	243	240	239
Operating income	25	22	27
Intersegment Sales | Defense Systems
Segment Reporting Information [Line Items]
Sales	855	776	794
Operating income	106	94	94
Intersegment Sales | Mission Systems
Segment Reporting Information [Line Items]
Sales	1,177	1,054	1,015
Operating income	181	167	167
Intersegment Sales | Space Systems
Segment Reporting Information [Line Items]
Sales	412	483	476
Operating income	$ 44	$ 52	$ 52