Accounts Receivable, Net (Schedule of Accounts Receivable, Net) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Accounts Notes And Loans Receivable [Line Items]
U.S. government contracts (including foreign military sales)	$ 1,147	$ 1,371
Allowance for expected credit losses	(316)	(452)
Accounts receivable, net	10,838	9,108
Other Customer
Accounts Notes And Loans Receivable [Line Items]
Accounts Receivable, Other Customers	$ 10,007	$ 8,189