Credit Losses on Financial Instruments (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	$ 19	$ 39	$ 45
Provision for expected losses	8	4	19
Write-offs charged against the allowance	(19)	(22)	(27)
Recoveries collected	4	3	5
Classified as held for sale	1	(5)	(3)
Balance at end of period	$ 13	$ 19	$ 39