Income Taxes - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Impairment losses		$ 555	$ 1,400
Tax regulations passed in 2020 related to GILTI - unfavorable (favorable)		(14)
Expense (benefit) related to release of valuation allowances		20
Net deferred tax liability	$ 3,889	3,150
Deferred income tax liabilities, net	4,049	3,342
Deferred income tax assets, net	160	191
Valuation allowance	1,566	1,538
Valuation allowance, DTA, increase (decrease), amount	28
Unrecognized tax benefits that would impact effective tax rate	273	267
Interest on income taxes accrued	24	$ 23
Decrease in unrecorded benefit within the next 12 months	(3)
Federal
Operating Loss Carryforwards [Line Items]
Operating loss carryforward	2,904
State
Operating Loss Carryforwards [Line Items]
Operating loss carryforward	16,000
Foreign
Operating Loss Carryforwards [Line Items]
Operating loss carryforward	$ 6,000