Pension and Post-retirement Benefits - Net Periodic Benefit Cost (Income) (Detail) - Pension Plans [Member] - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost		$ 5	$ 5	$ 9	$ 9
Expected return on plan assets		(4)	(5)	(9)	(9)
Net periodic benefit cost	[1]	1
Non-U. S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost		3	2	5	2
Interest cost		5	3	9	3
Expected return on plan assets		(6)	(4)	(12)	(4)
Net periodic benefit cost	[1]	$ 2	$ 1	$ 2	$ 1

[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}