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Pre-tax Net Changes in Projected Benefit Obligations Recognized in Other Comprehensive Income (Detail) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]      
Total recognized in other comprehensive (income) expense $ (2) $ (7) $ (12)
Pension Benefit Obligations
      
Defined Benefit Plan Disclosure [Line Items]      
Actuarial (gain) loss arising during the year (1) 7  
Amortization of (gain) loss included in net periodic benefit cost (2) (1)  
Recognition of loss due to settlement (1) (1)  
Foreign currency exchange (1) 0  
Total recognized in other comprehensive (income) expense (5) 5  
Postemployment Benefit Obligations
      
Defined Benefit Plan Disclosure [Line Items]      
Actuarial (gain) loss arising during the year 2 (12)  
Amortization of (gain) loss included in net periodic benefit cost 1 0  
Recognition of loss due to settlement 0 0  
Foreign currency exchange 0 0  
Total recognized in other comprehensive (income) expense $ 3 $ (12)