Pension and Post-retirement Benefits - Net Periodic Benefit Cost (Income) (Detail) - Pension Plans [Member] - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost		$ 5	$ 5	$ 14	$ 14
Expected return on plan assets		(4)	(5)	(13)	(14)
Net periodic benefit cost (income)	[1]	1		1
Non-U. S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost		3	3	8	5
Interest cost		4	4	14	7
Expected return on plan assets		(6)	(6)	(18)	(10)
Net periodic benefit cost (income)	[1]	$ 1	$ 1	$ 4	$ 2

[1] ^{The components of net periodic benefit cost (income) other than the service cost component are included in Other non-operating (income) expense, net in our Statements of Operations. The service cost component is included in Cost of operations and SG&A, in our Statements of Operations, along with other compensation costs rendered by the participating employees}