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Income Taxes - Income from Continuing Operations (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
(Loss) Income Before Income Taxes [Abstract]      
United States $ (255) $ (102) $ (168)
Foreign 304 195 230
Income from continuing operations before income taxes $ 49 $ 93 $ 62