Income Taxes - Provision for Income Taxes Differs from Tax Benefit at US Federal Statutory Rate (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Company's provision for income taxes differs from tax benefit at US Federal statutory rate      
Tax benefit at US federal statutory rate of 35% $ 64 $ 51 $ 30
Taxes on non-US operations at alternative rates (12) (29) (55)
Liability for uncertain tax positions (2) 2 (3)
Change in valuation allowance (66) (46) (1)
Non-deductible expenses (7) (4) (5)
Adjustment in respect of prior years 3 5 3
State taxes   (2)  
Other     2
Provision for income taxes $ (20) $ (23) $ (29)