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Employee Benefit Plans - Assumption Rates Used for Benefit Obligations (Detail) | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011
United States plan [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Discount rate: | 3.78% | 4.58%
International plans [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Discount rate minimum: | 3.30% | 4.50%
Discount rate maximum: | 4.40% | 5.60%
Salary increase minimum: | 2.00% | 2.50%
Salary increase maximum: | 3.87% | 4.00%

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- Definition Defined benefit plan assumptions used calculating benefit obligation discount rate minimum. + References No definition available. + Details
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- Definition Defined benefit plan assumptions used calculating benefit obligation rate of compensation increase maximum. + References No definition available. + Details
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- Definition The interest rate used to adjust for the time value of money for the plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph j -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: 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=21915506&loc=d3e1928-114920 + Details
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