CONDENSED STATEMENTS OF CONSOLIDATED INCOME (Unaudited) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Revenues	$ 2,337	$ 2,211	$ 2,014
Operation and maintenance	917	849	780
Depreciation and amortization	587	582	480
Taxes other than income taxes	210	207	208
Total	1,714	1,638	1,468
Operating Income	623	573	546
Interest and other finance charges	(150)	(149)	(158)
Interest on transition and system restoration bonds	(127)	(140)	(131)
Return on true-up balance	352	0	0
Other, net	38	32	53
Total	113	(257)	(236)
Income Before Income Taxes and Extraordinary Item	736	316	310
Income tax expense	248	116	102
Income Before Extraordinary Item	488	200	208
Extraordinary Item, net of tax	598	0	0
Net Income	$ 1,086	$ 200	$ 208