Pension and Other Benefit Plans - Weighted-Average Assumed Discount Rate and Compensation Increases Used to Determine Projected Benefit Obligations for US and International Plans (Detail)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Pension Plans Postretirement And Other Employee Benefits [Line Items]
Discount rate	4.25%	4.25%
US Plan Assets
Pension Plans Postretirement And Other Employee Benefits [Line Items]
Discount rate	4.25%	4.25%
Compensation increases	4.00%	4.00%
International
Pension Plans Postretirement And Other Employee Benefits [Line Items]
Discount rate	4.38%	4.38%
Compensation increases	4.83%	4.83%