Income Taxes Level 4 (Details) - Domestic and Foreign Components of Income Continuing Operations (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Income Tax Examination [Line Items]      
Domestic $ (183) $ (28) $ 64
Foreign 41 (274) (121)
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest $ (142) $ (302) $ (57)