Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Contingency [Line Items]
Provision for tax benefits related to settlement of employee awards	$ 119	$ 92	$ 65
Foreign pretax income	64	9	$ 50
State net operating loss carryforwards	31
Federal net operating loss carryforwards	99
Liability for unrecognized tax benefits	642	508
Unrecognized tax benefits, accrued interest	99	73
Unrecognized tax benefits that would impact effective tax rate	217	157
Deferred tax assets, reductions	$ 33	$ 34
State and Local Jurisdiction [Member] | Minimum [Member]
Income Tax Contingency [Line Items]
Net operating loss carryforwards, expiration date	2024
State and Local Jurisdiction [Member] | Maximum [Member]
Income Tax Contingency [Line Items]
Net operating loss carryforwards, expiration date	2040