CONDENSED STATEMENTS OF CONSOLIDATED CASH FLOWS (Unaudited) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash Flows from Operating Activities:
Net income (loss)	$ 200	$ (34)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	100	133
Amortization of deferred financing costs	5	6
Deferred income taxes	116	289
Write-down of natural gas inventory	0	3
Equity in earnings of unconsolidated affiliates, net of distributions	2	(25)
Changes in other assets and liabilities:
Accounts receivable and unbilled revenues, net	289	168
Accounts receivable/payable - affiliated companies	18	(10)
Inventory	(2)	(1)
Taxes receivable	18	0
Accounts payable	(174)	(109)
Fuel cost recovery	(42)	116
Interest and taxes accrued	(32)	(22)
Non-trading derivatives, net	(11)	0
Margin deposits, net	(2)	7
Other current assets	13	15
Other current liabilities	(11)	(17)
Other assets	13	(7)
Other liabilities	29	14
Other, net	3	1
Net cash provided by operating activities	532	527
Cash Flows from Investing Activities:
Capital expenditures	(227)	(239)
Increase in notes receivable from unconsolidated affiliates	(141)	0
Investment in unconsolidated affiliates	(1)	0
Cash contribution to Enable	0	(38)
Other, net	(3)	0
Net cash used in investing activities	(372)	(277)
Cash Flows from Financing Activities:
Decrease in short-term borrowings, net	(1)	(1)
Payments of commercial paper, net	(118)	0
Proceeds from long-term debt	0	1,050
Payments of long-term debt	0	(525)
Decrease in notes payable - affiliated companies	(38)	(768)
Other, net	1	0
Net cash used in financing activities	(156)	(244)
Net Increase in Cash and Cash Equivalents	4	6
Cash and Cash Equivalents at Beginning of Period	1	1
Cash and Cash Equivalents at End of Period	5	7
Cash Payments:
Interest, net of capitalized interest	64	85
Income taxes (refunds), net	(1)	1
Non-cash transactions:
Accounts payable related to capital expenditures	$ 26	$ 33