Contract with Customer, Asset and Liability (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Capitalized Contract Cost [Line Items]
Contract with Customer, Asset, Change	$ 173
Contract with Customer, Liability, Change	878
Contract with Customer, Liability, Revenue Recognized	4,800	$ 4,300	$ 2,800
Advances received to date on contracts related to precision guided munitions to certain Middle Eastern customers pending U.S. government approval	385
Contract with Customer, Asset, Allowance for Credit Loss	$ 318	$ 251