Schedule of Changes in Balance Sheet Position of Restructuring Reserves (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Restructuring Cost and Reserve [Line Items]
Cash payments			$ (64)
Restructuring employee-related
Restructuring Cost and Reserve [Line Items]
Reserve at beginning of the period	$ 213	$ 32	88
Provision - charge	20	212	17
Provision - reversal	(2)	(1)	(4)
Cash payments	(69)	(35)	(64)
Translation difference	(11)	7	(5)
Reserve at end of the period	$ 151	$ 213	$ 32