Contingencies and Commitments - Additional Information - 1 (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Loss Contingencies [Line Items]
Number of cleanup locations	More than 100
Remediation reserve balance	$ 308	$ 308
Remediation reserve balance, classified as a current liability	52	48
Payments related to remediation expenses applied against the reserve	$ 2
Actual remediation fieldwork period	4 years
RTI [Member]
Loss Contingencies [Line Items]
Increase (Decrease) in reserves due to effects of foreign currency translation	$ 2
Maximum [Member]
Loss Contingencies [Line Items]
Majority of the project funding period	2021
Minimum [Member]
Loss Contingencies [Line Items]
Majority of the project funding period	2017
Massena West, NY [Member]
Loss Contingencies [Line Items]
Remediation reserve balance	$ 227	$ 228
Recurring Costs of Managing Hazardous Substances and Environmental Programs [Member] | Maximum [Member]
Loss Contingencies [Line Items]
Percentage of cost of goods sold	1.00%