Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Taxes Disclosure [Line Items]
Decrease in unrecognized tax benefits within the next twelve months	$ 400		$ 400
Increase in unrecognized tax benefits within the next twelve months	20		20
Amount of potential additional income tax expense related to an IRS notice of proposed adjustment subject to interest and penalties.	$ 370		$ 370
Effective tax rate	24.20%	22.80%	21.50%	24.50%
U.S. corporate income tax rate			21.00%