Income Taxes - Schedule of Activity Related to Unrecognized Tax Benefits (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Beginning Balance	$ 639	$ 576
Additions based on tax positions related to the current year	30	25
Additions for tax positions of prior years	4	50
Reductions for tax positions of prior years	(10)	(4)
Settlements	0	(1)
Lapse of applicable statutes of limitations	(24)	(7)
Ending Balance	$ 639	$ 639