Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Provision for income taxes	$ 349	$ 393
Effective tax rate	21.50%	21.70%
Provision for tax benefits related to settlement of employee awards	$ 64	$ 74
Liability for unrecognized tax benefits	654		$ 642
Unrecognized tax benefits, accrued interest	104		99
Unrecognized tax benefits that would impact effective tax rate	$ 230		$ 217

Unrecognized tax benefits including interest accrued net of deferred tax assets.

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- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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- Definition

Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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- Definition

Amount of interest expense accrued for an underpayment of income taxes.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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