CONDENSED STATEMENTS OF CONSOLIDATED INCOME (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenues	$ 532	$ 531
Expenses:
Operation and maintenance	239	225
Depreciation and amortization	154	147
Taxes other than income taxes	55	52
Total	448	424
Operating Income	84	107
Other Income (Expense):
Interest and other finance charges	(30)	(38)
Interest on transition and system restoration bonds	(35)	(37)
Other, net	9	9
Total	(56)	(66)
Income Before Income Taxes	28	41
Income tax expense	9	5
Net Income	$ 19	$ 36