CONDENSED STATEMENTS OF CONSOLIDATED CASH FLOWS (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash Flows from Operating Activities:
Net income	$ 35	$ 19
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	176	154
Amortization of deferred financing costs	4	4
Deferred income taxes	(29)	(10)
Changes in other assets and liabilities:
Accounts and notes receivable, net	22	5
Accounts receivable/payable - affiliated companies	(9)	(69)
Inventory	(4)	(3)
Accounts payable	0	1
Taxes receivable	0	7
Interest and taxes accrued	(79)	(84)
Net regulatory assets and liabilities	(8)	15
Other current assets	17	14
Other current liabilities	(42)	0
Other assets	3	3
Other, net	(6)	1
Net cash provided by (used in) operating activities	80	57
Cash Flows from Investing Activities:
Capital expenditures	(196)	(137)
Decrease in notes receivable - affiliated companies	(90)	256
Decrease (increase) in restricted cash of transition and system restoration bond companies	(2)	1
Other, net	(11)	(6)
Net cash provided by (used in) investing activities	(299)	114
Cash Flows from Financing Activities:
Proceeds from long-term debt	600	0
Payments of long-term debt	(231)	(612)
Decrease in short-term notes payable - affiliated companies	(3)	0
Cash paid for debt retirement	(1)	0
Debt issuance costs	(5)	0
Other, net	0	1
Net cash provided by (used in) financing activities	360	(611)
Net Increase (Decrease) in Cash and Cash Equivalents	141	(440)
Cash and Cash Equivalents at Beginning of Period	207	646
Cash and Cash Equivalents at End of Period	348	206
Cash Payments:
Interest, net of capitalized interest	78	100
Income taxes, net	39	5
Non-cash transactions:
Accounts payable related to capital expenditures	$ 41	$ 50