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Employee Benefit Plans - Assumption Rates Used for Benefit Obligations (Detail)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
United States Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate minimum	3.40%	3.40%
Discount rate maximum	3.90%	3.90%
International Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate minimum	2.10%	2.10%
Discount rate maximum	3.60%	3.60%
Salary increase minimum	2.00%	2.00%
Salary increase maximum	4.20%	4.20%

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- Definition

Defined benefit plan assumptions used calculating benefit obligation discount rate maximum.

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