Indebtedness - Summary of Components of Interest as Presented in Consolidated Statements of Operations (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Debt Disclosure [Abstract]
Income	$ 17	$ 15	$ 16
Expense on borrowings	(176)	(197)	(190)
Expense on UTPs and other tax related liabilities	(28)	(15)	(16)
Net periodic pension costs--interest component	(22)	(19)	(20)
Capitalized	1	1	1
Total	(208)	(215)	(209)
Interest paid	$ 167	$ 183	$ 158