Income Taxes - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Components of Income Tax Expense (Benefit) [Line Items]
Effective income tax rate	25.20%	25.30%	(8.60%)
Tax Cuts and Jobs Act, income tax expense			$ 779
Net deferred tax liabilities	$ 136	$ 86
Uncertain tax benefits	876	923	$ 952
Deferred tax assets, valuation allowance	1,103	1,170
Unrecognized tax benefits that would impact effective tax rate	34	33
Unrecognized tax benefits, accrued interest	5	9
Reasonably possible increase in unrecognized tax benefits for uncertain tax positions previously taken	2
Other Noncurrent Liabilities
Components of Income Tax Expense (Benefit) [Line Items]
Deferred tax liabilities, long-term	212	247
Other Noncurrent Assets
Components of Income Tax Expense (Benefit) [Line Items]
Deferred tax assets, net, noncurrent	76	$ 161
Federal
Components of Income Tax Expense (Benefit) [Line Items]
Operating loss carryforwards	12,000
Uncertain tax benefits	4,000
State
Components of Income Tax Expense (Benefit) [Line Items]
Operating loss carryforwards	8,000
Uncertain tax benefits	521
Foreign
Components of Income Tax Expense (Benefit) [Line Items]
Operating loss carryforwards	$ 6,000