CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Income Statement [Abstract]
REVENUES	$ 1,827	$ 1,770
COSTS AND EXPENSES:
Operating (excluding depreciation and amortization)	814	768
Selling, general and administrative	372	345
Depreciation and amortization	408	383
Other operating expenses, net	3	5
Total costs and expenses	1,597	1,501
Income from operations	230	269
OTHER INCOME AND EXPENSES:
Interest expense, net	(237)	(233)
Loss on extinguishment of debt	(15)	(67)
Other expense, net	(1)	0
Total other income (expense)	(253)	(300)
Loss before income taxes	(23)	(31)
Income tax expense	(71)	(79)
Net loss	$ (94)	$ (110)
LOSS PER COMMON SHARE, BASIC AND DILUTED
Loss per common share, basic and diluted	$ (0.95)	$ (0.97)
Weighted average common shares outstanding, basic and diluted	99,432,960	113,224,303