Consolidated Statements of Comprehensive Loss (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Income Statement [Abstract]
Operating Revenue	$ 406	$ 456
Operating Expenses
Selling	96	115
Cost of service (exclusive of depreciation and amortization)	141	150
General and administrative	37	23
Depreciation and amortization	106	161
Total Operating Expenses	380	449
Operating Income	26	7
Interest expense, net	85	90
(Loss) Before Provision (Benefit) for Income Taxes	(59)	(83)
Provision (benefit) for income taxes	0	(1)
Net (Loss)	(59)	(82)
Other Comprehensive (Loss)
Adjustments for pension and other post-employment benefits, net of taxes	3	2
Comprehensive (Loss)	$ (56)	$ (80)
Basic and diluted (loss) per common share ($ per share)	$ (3.39)	$ (4.74)
Basic and diluted weighted-average common shares outstanding (in shares)	17.4	17.3