Schedule of Goodwill (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]
Carrying amount at beginning of year	$ 1,398	$ 1,388
Translation differences	(11)	10
Carrying amount at end of year	$ 1,387	$ 1,398