Accounts Receivable - Allowance for Doubtful Accounts (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	$ 39	$ 45	$ 13
Additions	4	19	41
Deductions	(24)	(25)	(9)
Ending Balance	19	39	45	$ 13
Financing Receivable, Allowance for Credit Loss [Line Items]
Income tax expense (benefit)	256	197	221
Member's equity
Financing Receivable, Allowance for Credit Loss [Line Items]
Partners' capital	$ 7,142	$ 13,360	13,139	13,724
Cumulative Effect, Period of Adoption, Adjustment | Member's equity
Financing Receivable, Allowance for Credit Loss [Line Items]
Partners' capital				(3)
Income tax expense (benefit)			$ (2)	$ (2)