Accounts Receivable, Net (Allowance for Credit Losses) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accounts Notes And Loans Receivable [Line Items]
Allowance for expected credit losses	$ 316	$ 452	$ 475
Current period (recoveries) provision for expected credit losses, net	(92)	26
Write-offs charged against the allowance for expected credit losses	(42)	(42)
Other, net	$ (2)	$ (7)