Taxes - Schedule of After-tax (Expenses) Benefits Related To Interest and Penalties in Provision for Income Taxes (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Income tax examination, penalties and interest expense	$ (21)	$ 5	$ 35