Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Investment in partnerships	$ 523	$ 623
Net operating losses	716	686
Lease liabilities	40	45
Other	45	16
Total deferred tax assets	1,324	1,370
Deferred tax liabilities:
Property and equipment in excess of tax values	(573)	(515)
Derivative instruments	(6)	(46)
Lease assets	(38)	(42)
Other	(3)	(3)
Total deferred tax liabilities	(620)	(606)
Net deferred tax assets	704	764
Deferred tax asset	1,239	1,309
Other long-term assets, net
Deferred tax liabilities:
Deferred tax asset	1,239	1,309
Other long-term liabilities and deferred credits
Deferred tax liabilities:
Other long-term liabilities and deferred credits	$ (535)	$ (545)