Basis of Presentation (Unaudited) EAC Change (Details 6) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Change in Accounting Estimate [Line Items]
Operating income	$ 844		$ 1,043	$ 2,695	$ 4,909
Contracts Accounted for under Percentage of Completion [Member]
Change in Accounting Estimate [Line Items]
Operating income	$ 45		109	$ 310	$ 453
Restricted Program [Member] | Contracts Accounted for under Percentage of Completion [Member] | Aeronautics Systems [Member]
Change in Accounting Estimate [Line Items]
Operating income		$ 67
F-35 | Contracts Accounted for under Percentage of Completion [Member] | Aeronautics Systems [Member]
Change in Accounting Estimate [Line Items]
Operating income			$ (42)