Other Financial Information - Schedule of Other (Income) Expenses, Net (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Other Income and Expenses [Abstract]
Equity loss (gain)	$ 22	$ (22)	$ 28	$ 5
Foreign currency losses (gains), net	3	57	(14)	81
Net loss from asset sales	2	6	5	17
Gain from sale of investments	(3)	0	(3)	0
Net gain loss on mark-to-market derivative instruments	(110)	(54)	(117)	(49)
Non-service costs - pension and other postretirement benefits	7	4	13	8
Other, net	(33)	(13)	(50)	(25)
Other expenses, net	$ (112)	$ (22)	$ (138)	$ 37