Supplemental Financial Information - Other Income, Net (Detail) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Other Income, net
Foreign exchange losses (gains), net	$ 30	$ 10	$ 44	$ (19)
Pension and other postretirement benefit plans	17	13	48	39
Other, net	(4)	2	(4)	13
Other (income) expense, net	$ 9	$ (1)	$ (8)	$ (45)

Amount before tax of foreign currency transaction unrealized gain (loss) recognized in the income statement.

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