Income Taxes - Schedule of Changes in Valuation Allowance (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Balance at beginning of year	$ (2,333)	$ (2,062)	$ (2,127)
Establishment of new allowances	(106)	(150)	(103)
Net change to existing allowances	(113)	(151)	139
Foreign currency translation	(43)	30	29
Balance at end of year	$ (2,595)	$ (2,333)	$ (2,062)