CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011 Predecessor
OPERATING REVENUES
Operating revenues	$ 2,725	$ 2,846
Operating revenues-affiliates	114
Total operating revenues	2,839	2,846
OPERATING EXPENSES
Cost of services and products (exclusive of depreciation and amortization)	1,175	1,178
Selling, general and administrative	484	556
Operating expenses-affiliates	149
Depreciation and amortization	741	533
Total operating expenses	2,549	2,267
OPERATING INCOME	290	579
OTHER INCOME (EXPENSE)
Interest expense	(174)	(227)
Other income	9	5
Total other income (expense)	(165)	(222)
INCOME BEFORE INCOME TAX EXPENSE	125	357
Income tax expense	48	146
NET INCOME	$ 77	$ 211