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Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)
In Millions, except Share data, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Statement of Financial Position [Abstract]    
Allowance for Doubtful Accounts (in $ millions) $ 31 $ 26
Shareholders' Equity (Deficit)    
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 300,000,000 300,000,000
Common stock, shares issued 17,642,686 17,601,520
Common stock, shares outstanding 17,642,686 17,601,520