CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, unless otherwise specified	9 Months Ended	12 Months Ended		3 Months Ended
	Dec. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Mar. 31, 2011 Predecessor
OPERATING REVENUES
Operating revenues	$ 5,419	$ 6,818	$ 7,031	$ 1,870
Operating revenues-affiliates	1,216	1,935	1,817	398
Total operating revenues	6,635	8,753	8,848	2,268
OPERATING EXPENSES
Cost of services and products (exclusive of depreciation and amortization)	2,171	2,790	2,868	742
Selling, general and administrative	1,161	1,062	1,166	385
Operating expenses-affiliates	238	695	619	52
Depreciation and amortization	1,866	2,128	2,290	451
Total operating expenses	5,436	6,675	6,943	1,630
OPERATING INCOME	1,199	2,078	1,905	638
OTHER INCOME (EXPENSE)
Interest expense	(300)	(450)	(443)	(150)
Interest (expense) income-affiliates	1	(64)	(24)	0
Net loss on early retirement of debt	(8)		(47)	0
Other income		2		2
Total other income (expense)	(307)	(512)	(514)	(148)
INCOME BEFORE INCOME TAX EXPENSE	892	1,566	1,391	490
Income tax expense	349	602	542	191
Net Income (Loss) Attributable to Parent	$ 543	$ 964	$ 849	$ 299