Benefit Plans - Actual Overall Asset Allocation for U.S. And Non-U.S. Plans as Compared to Investment Policy Goals (Detail)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Target Allocation
Asset allocation	92.00%
U.S. Pension Plans | Equity securities
Plan Assets
Asset allocation	0.00%	32.00%
Target Allocation
Asset allocation	0.00%	0.00%
U.S. Pension Plans | Fixed income
Plan Assets
Asset allocation	92.00%	56.00%
Target Allocation
Asset allocation	100.00%	100.00%
U.S. Pension Plans | Alternative
Plan Assets
Asset allocation	7.00%	7.00%
Target Allocation
Asset allocation	0.00%	0.00%
U.S. Pension Plans | Cash
Plan Assets
Asset allocation	1.00%	5.00%
Target Allocation
Asset allocation	0.00%	0.00%
Non-US Pension Plans | Equity securities
Plan Assets
Asset allocation	54.00%	51.00%
Target Allocation
Asset allocation	56.00%	55.00%
Non-US Pension Plans | Fixed income
Plan Assets
Asset allocation	41.00%	42.00%
Target Allocation
Asset allocation	44.00%	45.00%
Non-US Pension Plans | Alternative
Plan Assets
Asset allocation	3.00%	3.00%
Target Allocation
Asset allocation	0.00%	0.00%
Non-US Pension Plans | Cash
Plan Assets
Asset allocation	2.00%	4.00%
Target Allocation
Asset allocation	0.00%	0.00%