STATEMENTS OF CONSOLIDATED INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Revenues	$ 2,998	$ 3,059	$ 2,846
Expenses:
Operation and maintenance	1,428	1,363	1,311
Depreciation and amortization	724	838	705
Taxes other than income taxes	235	231	222
Total	2,387	2,432	2,238
Operating Income	611	627	608
Other Income (Expense):
Interest and other finance charges	(128)	(126)	(118)
Interest on Securitization Bonds	(77)	(91)	(105)
Other, net	18	15	21
Total	(187)	(202)	(202)
Income Before Income Taxes	424	425	406
Income tax expense (benefit)	(9)	149	145
Net Income	$ 433	$ 276	$ 261