CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011 Predecessor
OPERATING REVENUES
Operating revenues	$ 1,786	$ 1,870
Operating revenues-affiliates	474	398
Total operating revenues	2,260	2,268
OPERATING EXPENSES
Cost of services and products (exclusive of depreciation and amortization)	743	742
Selling, general and administrative	339	385
Operating expenses-affiliates	144	52
Depreciation and amortization	568	451
Total operating expenses	1,794	1,630
OPERATING INCOME	466	638
OTHER INCOME (EXPENSE)
Interest expense	(113)	(150)
Other income	1	2
Total other income (expense)	(112)	(148)
INCOME BEFORE INCOME TAX EXPENSE	354	490
Income tax expense	136	191
NET INCOME	$ 218	$ 299