Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Provision for income taxes	$ 381	$ 453	$ 730	$ 846
Effective tax rate	24.80%	23.80%	23.10%	22.70%
Provision for tax benefits related to settlement of employee awards			$ 67	$ 85
Liability for unrecognized tax benefits	$ 663		663		$ 642
Unrecognized tax benefits, accrued interest	110		110		99
Unrecognized tax benefits that would impact effective tax rate	$ 240		$ 240		$ 217