STATEMENTS OF CONSOLIDATED CASH FLOWS (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash Flows from Operating Activities:
Net income	$ 269	$ 279	$ 1,086
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	685	729	587
Amortization of deferred financing costs	16	14	12
Deferred income taxes	(75)	(69)	149
Extraordinary item, net of tax	0	0	(598)
Return on true-up balance	0	0	(352)
Changes in other assets and liabilities:
Accounts and notes receivable, net	(46)	(24)	(25)
Accounts receivable/payable, affiliates	(5)	62	(1)
Inventory	(11)	(14)	(9)
Accounts payable	48	(20)	19
Taxes receivable	7	(5)	61
Interest and taxes accrued	37	(15)	4
Net regulatory assets and liabilities	(6)	28	(28)
Other current assets	(2)	1	0
Other current liabilities	16	14	24
Other assets	(11)	0	0
Other liabilities	6	3	(5)
Other, net	0	(3)	1
Net cash provided by operating activities	928	980	925
Cash Flows from Investing Activities:
Capital expenditures	(753)	(609)	(606)
Decrease (increase) in notes receivable from affiliates, net	1,183	577	(111)
Decrease (increase) in restricted cash of transition and system restoration bond companies	17	(13)	(3)
Cash received from U.S. Department of Energy grant	0	0	110
Other, net	(2)	(20)	(7)
Net cash provided by (used in) investing activities	445	(65)	(617)
Cash Flows from Financing Activities:
Proceeds from long-term debt	0	2,495	0
Payments of long-term debt	(897)	(1,215)	(283)
Dividend to parent	(766)	(1,685)	0
Decrease in short-term notes payable with affiliates	(148)	0	0
Cash paid for debt retirements	(2)	(69)	0
Debt issuance costs	0	(16)	(3)
Other, net	1	1	0
Net cash used in financing activities	(1,812)	(489)	(286)
Net Increase (Decrease) in Cash and Cash Equivalents	(439)	426	22
Cash and Cash Equivalents at Beginning of the Year	646	220	198
Cash and Cash Equivalents at End of the Year	207	646	220
Cash Payments:
Interest, net of capitalized interest	238	293	282
Income taxes	147	183	42
Non-cash transactions:
Accounts payable related to capital expenditures	$ 50	$ 44	$ 54