Benefit Plans - Weighted-Average Assumptions Used to Determine Domestic Benefit Obligations (Detail) - Defined Benefit Plan Benefit Obligations	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
U.S. Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.02%	4.21%	3.63%
Rate of compensation increase	4.00%	4.00%	4.00%
Non-US Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Discount rate	2.00%	2.52%	2.30%
Rate of compensation increase	2.91%	2.90%	2.89%
Post-retirement
Defined Benefit Plan Disclosure [Line Items]
Discount rate	3.80%	3.95%	3.60%
Rate of compensation increase	0.00%	0.00%	0.00%

The interest rate used to adjust for the time value of money for the plan.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(1)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

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- Definition

Expected rate of compensation increases (for pay-related plans).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(2)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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