Consolidated Statements of Changes in Shareholder's Equity - USD ($) $ in Millions	Total	Common Stock	Other Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss, Net
Balance (shares) at Dec. 31, 2013		1,000
Balance at Dec. 31, 2013	$ 1,016	$ 0	$ 1,111	$ (93)	$ (2)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	67			67
Balance (shares) at Sep. 30, 2014		1,000
Balance at Sep. 30, 2014	$ 1,083	$ 0	1,111	(26)	(2)
Balance (shares) at Dec. 31, 2014	1,000	1,000
Balance at Dec. 31, 2014	$ 998	$ 0	1,111	(111)	(2)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	68			68
Dividends, Common Stock, Cash	$ (7)			(7)
Balance (shares) at Sep. 30, 2015	1,000	1,000
Balance at Sep. 30, 2015	$ 1,059	$ 0	$ 1,111	$ (50)	$ (2)