v2.4.0.6
Income Taxes (U.S. and Non-U.S. Components of Income Before Income Tax Expense (Benefit)) (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Income Taxes      
U.S. $ (1,241) $ 3,250 $ 3,580
Non-U.S. 1,756 [1] 2,849 [1] 2,618 [1]
Income (loss) from continuing operations before income taxes $ 515 $ 6,099 $ 6,198
[1] Non-U.S. income is defined as income generated from operations located outside the U.S.