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Weighted-Average Assumptions to Determine Net Postretirement Cost (Detail)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
U.S. postretirement plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.20%	4.47%	5.30%
Health care cost trend rate	7.50%	7.00%	7.50%
Foreign Postretirement Benefit Plans, Defined Benefit
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.39%	4.14%	5.02%
Health care cost trend rate	6.47%	6.21%	7.62%

X

- Definition

Defined benefit plan assumptions used calculating net periodic benefit cost health care cost trend rate

+ References

No definition available.

+ Details

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X

- Definition

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

+ 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)(1)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920

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