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Business Segments (Details 4) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Equity Method Investment, Summarized Financial Information, Income Statement [Abstract]      
Equity in Income $ (31) $ (34) $ (19)
North America
     
Equity Method Investment, Summarized Financial Information, Income Statement [Abstract]      
Equity in Income (8) (6) (5)
Europe, Middle East and Africa
     
Equity Method Investment, Summarized Financial Information, Income Statement [Abstract]      
Equity in Income 0 0 (1)
Asia Pacific
     
Equity Method Investment, Summarized Financial Information, Income Statement [Abstract]      
Equity in Income $ (23) $ (28) $ (13)