Income Taxes - Schedule of Composition of Net Deferred Tax Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Deferred Tax Assets
Net operating losses	$ 196	$ 388
Incentive compensation	24	23
Deferred compensation	30	22
Post-retirement benefits	4	8
Capital loss carryforward	16	30
Other credit carryforwards	4	10
Leases	13	11
Derivative instruments	0	35
Other	30	18
Less: valuation allowance	(110)	(177)
Total	207	368
Deferred Tax Liabilities
Properties and equipment	3,498	3,459
Equity method investments	1	1
Leases	14	9
Derivative instruments	33	0
Total	3,546	3,469
Net deferred tax liabilities	$ 3,339	$ 3,101