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Schedule of Weighted Average Assumptions to Determine Pension Obligations (Detail) | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Post-Retirement Benefit Plans |  |  |
Schedule of Benefit Obligations Weighted Average Assumptions [Line Items] |  |  |
Discount rate | 4.10% | 3.10% | 3.70%
Initial Medical Trend | 8.00% | 8.50% | 9.00%
Ultimate Health Care Trend | 5.00% | 5.00% | 5.00%
Medical cost trend rate decrease to ultimate rate in year | 2020 | 2020 | 2020
United States Plans |  |  |
Schedule of Benefit Obligations Weighted Average Assumptions [Line Items] |  |  |
Discount rate | 4.50% | 3.60% |
United States Plans | Defined Benefit Pension Plans |  |  |
Schedule of Benefit Obligations Weighted Average Assumptions [Line Items] |  |  |
Discount rate | 4.50% | 3.60% |
Salary progression rate | 3.00% | 3.00% |
Foreign Plans | Defined Benefit Pension Plans |  |  |
Schedule of Benefit Obligations Weighted Average Assumptions [Line Items] |  |  |
Discount rate | 3.80% | 3.70% |
Salary progression rate | 3.50% | 3.50% |

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- Definition Defined benefit plan assumptions used calculating benefit obligation initial medical trend. + References No definition available. + Details
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- Definition Defined benefit plan assumptions used calculating benefit obligation medical cost trend rate decrease to ultimate rate in year. + References No definition available. + Details
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- Definition Defined benefit plan assumptions used calculating benefit obligation salary progression rate. + References No definition available. + Details
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- 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 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 + Details
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- Definition The ultimate trend rate for health care costs. + 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 (l) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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