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Income Taxes - Components of (Loss) Income from Continuing Operations Before Income Taxes (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Income Tax Disclosure [Abstract]      
U.S. $ (1,269) $ 394 $ (98)
Foreign (547) (70) 1,161
(Loss) income from continuing operations before income taxes $ (1,816) $ 324 $ 1,063