Contingencies and Commitments - Contingencies (Detail) € in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2017 USD ($) location	Dec. 31, 2017 EUR (€)	Dec. 31, 2016 USD ($)
Loss Contingencies [Line Items]
Number of cleanup locations (more than) | location	100
Remediation reserve balance	$ 294		$ 308
Remediation reserve balance, classified as a current liability	41		48
Increase in remediation reserve	5
Accrual for environmental loss contingencies, revision in estimates	8
Increase (decrease) in reserves due to effects of foreign currency translation	1
Payments related to remediation expenses applied against the reserve	$ 26
Actual remediation fieldwork period	4 years
Total combined assessments	$ 155	€ 130
Massena West, NY
Loss Contingencies [Line Items]
Remediation reserve balance	$ 215		$ 228
Recurring Costs of Managing Hazardous Substances and Environmental Programs | Maximum
Loss Contingencies [Line Items]
Percentage of cost of goods sold	1.00%