Restructuring - Schedule of Changes in Balance Sheet Position of Employee Related Restructuring Reserves (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Restructuring Cost and Reserve [Line Items]
Reserve at end of the period	$ 187		$ 187
Restructuring employee-related
Restructuring Cost and Reserve [Line Items]
Reserve at beginning of the period	189	$ 127	213	$ 32
Provision - charge	9	8	22	118
Provision - reversal	(1)	(1)	(1)	(1)
Cash payments	(19)	(9)	(49)	(24)
Translation difference	8	(3)	1	(2)
Reserve at end of the period	$ 187	$ 122	$ 187	$ 122