Pension and Post-retirement Benefits - Net Periodic Benefit Cost (Income) (Detail) - Pension Plans [Member] - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost	[1]	$ 5	$ 4
Expected return on plan assets	[1]	(4)	(5)
Net periodic benefit cost (income)	[1],[2]	1	$ (1)
Non-U. S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	[1]	3
Interest cost	[1]	4
Expected return on plan assets	[1]	(6)
Net periodic benefit cost (income)	[1],[2]	$ 1

[1] ^{Net periodic benefit cost for our other postretirement plans is not material.}

[2] ^{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}