Accounts Receivable, Net (Allowance for Credit Losses) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accounts Notes And Loans Receivable [Line Items]
Allowance for expected credit losses	$ 452	$ 475	$ 546
Current period provision for expected credit losses, net of recoveries	26	(47)
Write-offs charged against the allowance for expected credit losses	(42)	(18)
Other, net	$ (7)	$ (6)