v3.7.0.1

Weighted Average Asset Allocations (Detail)	Dec. 31, 2016	Dec. 31, 2015
U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	100.00%	100.00%
Non-U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	100.00%	100.00%
Equity Securities [Member] | U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	52.00%	51.00%
Equity Securities [Member] | Non-U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	75.00%	77.00%
Fixed Income Securities [Member] | U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	40.00%	39.00%
Fixed Income Securities [Member] | Non-U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	22.00%	16.00%
Real Estate [Member] | U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	8.00%	10.00%
Cash [Member] | Non-U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	2.00%	4.00%
Other [Member] | Non-U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	1.00%	3.00%

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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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- Definition

Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e2446-114920

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

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