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Effective Income Tax Rate (Detail)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Income Taxes [Line Items]      
U.S. federal statutory rate 35.00% 35.00% 35.00%
State and local income taxes, net of federal tax benefit excluding IRS audit impacts (0.50%) (1.60%) 0.20%
Foreign rate differences (15.30%) (20.60%) (22.20%)
Reversal of other tax accruals no longer required (9.60%) (4.30%) (4.90%)
Indemnification resolution (4.70%)    
Tax legislation (2.20%) (3.90%) (3.80%)
Divestitures (2.10%) 0.60%  
Non-deductible expenses 1.10% 3.60% 1.90%
Other 0.80% 0.70%  
Effective tax rate 2.50% 9.50% 6.20%