STATEMENTS OF CONSOLIDATED INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenues	$ 2,846	$ 2,846	$ 2,577
Expenses:
Operation and maintenance	1,311	1,258	1,053
Depreciation and amortization	705	768	685
Taxes other than income taxes	222	224	225
Total	2,238	2,250	1,963
Operating Income	608	596	614
Other Income (Expense):
Interest and other finance charges	(118)	(109)	(99)
Interest on transition and system restoration bonds	(105)	(118)	(133)
Other, net	21	14	33
Total	(202)	(213)	(199)
Income Before Income Taxes	406	383	415
Income tax expense	145	131	146
Net Income	$ 261	$ 252	$ 269