Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Investment in partnerships	$ 623	$ 729
Net operating losses	686	633
Derivative instruments	0	39
Lease liabilities	45	48
Other	16	17
Total deferred tax assets	1,370	1,466
Deferred tax liabilities:
Property and equipment in excess of tax values	(515)	(531)
Derivative instruments	(46)	0
Lease assets	(42)	(47)
Other	(3)	(3)
Total deferred tax liabilities	(606)	(581)
Net deferred tax assets	764	885
Deferred tax asset	1,309	1,362
Other long-term assets, net
Deferred tax liabilities:
Deferred tax asset	1,309	1,362
Other long-term liabilities and deferred credits
Deferred tax liabilities:
Net deferred tax liabilities	$ (545)	$ (477)