Income Taxes - Difference between Provision and U.S. Statutory Income Tax Rate (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Income (loss) before income taxes	$ 428	$ (15,146)	$ 753
Taxes at the U.S. federal statutory income tax rate	90	(3,181)	158
Impact of goodwill impairment	0	3,090	0
Effect of foreign operations	216	148	84
Tax expense (benefit) due to unrecognized tax benefits (1)	201	35	(24)
Tax impact of partnership structure	159	38	124
Change in valuation allowances	47	423	135
CARES Act	0	0	0
Other - net	59	97	(1)
Provision for income taxes	$ 772	$ 650	$ 476
Actual income tax rate	180.40%	(4.30%)	63.20%