Pension and Other Postretirement Benefits - Assumptions Regarding Net Periodic Pension and Other Postretirement Benefit Costs (Detail)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
U.S. Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.25%	5.00%	5.75%
Expected long-term rate of return on plan assets	8.00%	8.00%	8.00%
Weighted-average rate of increases in compensation	4.00%	4.00%	4.00%
Foreign Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.50%	4.90%	5.40%
Expected long-term rate of return on plan assets	6.09%	5.61%	6.39%
Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.25%	5.00%	5.75%