Pensions and Post Retirement Benefits Other Than Pensions - Weighted Average Asset Allocations for Domestic and U.K. Pension Plans' Assets (Detail)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
United States Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Equity securities	66.00%	58.00%
Debt securities	30.00%	40.00%
Other investments	0.00%	0.00%
Cash	4.00%	2.00%
Total	100.00%	100.00%
Pension Benefits - International [Member]
Defined Benefit Plan Disclosure [Line Items]
Equity securities	51.00%	59.00%
Debt securities	40.00%	28.00%
Other investments	5.00%	12.00%
Cash	4.00%	1.00%
Total	100.00%	100.00%