Saving Plan, Pension and Post Retirement Benefits - Weighted-average Assumptions Used to Determine Projected Benefit Obligation for Current Year (Detail)	Dec. 31, 2013	Dec. 31, 2012
U.S. Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Discount rate (percent)	4.68%	3.78%
Rate of future compensation increases (percent)	3.00%	3.00%
International Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Discount rate (percent)	4.48%	4.33%
Rate of future compensation increases (percent)	3.40%	2.97%