Income Taxes - Schedule of Composition of Net Deferred Tax Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Deferred Tax Assets
Net operating losses	$ 388	$ 22
Incentive compensation	23	16
Deferred compensation	22	6
Post-retirement benefits	8	7
Capital loss carryforward	30	17
Other credit carryforwards	10	0
Leases	11	8
Other	18	3
Derivative instruments	35	0
Less: valuation allowance	(177)	(28)
Total	368	51
Deferred Tax Liabilities
Properties and equipment	3,459	810
Equity method investments	1	1
Leases	9	8
Derivative instruments	0	6
Total	3,469	825
Net deferred tax liabilities	$ 3,101	$ 774