Pension and Postretirement Benefits - Net Periodic Benefit Cost (Income) (Detail) - Pension Plans [Member] - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost		$ 5	$ 5	$ 9	$ 10
Expected return on plan assets		(5)	$ (5)	(9)	(10)
Non-U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost		2		2
Interest cost		3		3	1
Expected return on plan assets		(4)		(4)	$ (1)
Net periodic benefit cost (income)	[1],[2]	$ 1		$ 1

[1] Includes approximately $.04 million and $0.6 million of pension cost associated with our U.S. and non-U.S. plans, respectively, for both the three and six months ended June 30, 2018, which resulted from the Combination.

[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.