Income Taxes - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Taxes [Line Items]
Reduction in current income tax payable attributable to stock-based compensation	$ 28	$ 1	$ 60
Valuation allowance	171	216
Increase in NOL valuation allowance	45
Undistributed earnings of foreign subsidiaries	69
Unrecognized tax benefits	349	345	305	$ 293
Unrecognized tax benefits that would impact effective tax rate	213	219	188
Uncertain tax positions, interest and penalties	56	49
Interest and penalties	7	$ 12	$ 8
Federal
Income Taxes [Line Items]
Net operating loss carryforwards	1,900
Indefinitely carried forward net operating loss carryforwards	1,900
Unrecognized deferred tax liability related to the U.S. federal income tax consequences of undistributed earnings of foreign subsidiaries	18
State
Income Taxes [Line Items]
Net operating loss carryforwards	892
Indefinitely carried forward net operating loss carryforwards	164
Net operating loss carryforwards subject to expiration	728
Foreign
Income Taxes [Line Items]
Net operating loss carryforwards	1,100
Indefinitely carried forward net operating loss carryforwards	191
Net operating loss carryforwards subject to expiration	919
IRS
Income Taxes [Line Items]
Increase in prior years taxable revenue due to tax examination	696
Additional federal tax expense due to tax examination	$ 244