Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Allowance for Doubtful Accounts (in $ millions)	$ 27	$ 30
Shareholders' (Deficit)
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	300,000,000	300,000,000
Common stock, shares issued	17,566,247	17,608,580
Common stock, shares outstanding	17,566,247	17,608,580