Consolidated Statements of Operations (USD $) In Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2011 Successor [Member]	Mar. 31, 2011 Predecessor [Member]	Jun. 30, 2010 Predecessor [Member]	Jun. 30, 2010 Predecessor [Member]
OPERATING REVENUES
Operating revenues	$ 2,763	$ 2,846	$ 2,930	$ 5,896
Operating revenues-affiliates	6
Total operating revenues	2,769	2,846	2,930	5,896
OPERATING EXPENSES
Cost of services and products (exclusive of depreciation and amortization)	1,141	1,178	1,240	2,487
Selling, general and administrative	656	556	633	1,239
Operating expenses-affiliates	32
Depreciation and amortization	823	533	548	1,093
Total operating expenses	2,652	2,267	2,421	4,819
OPERATING INCOME	117	579	509	1,077
OTHER (EXPENSE) INCOME
Interest expense	(150)	(227)	(265)	(544)
Loss on early retirement of debt	(1)			(42)
Other income, net		5	22	22
Total other (expense) income	(151)	(222)	(243)	(564)
(LOSS) INCOME BEFORE INCOME TAX EXPENSE	(34)	357	266	513
Income tax (benefit) expense	(8)	146	108	317
NET (LOSS) INCOME	$ (26)	$ 211	$ 158	$ 196