Condensed Consolidated Statements of Income and Comprehensive Income (Unaudited) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenue, net	$ 462	$ 449	$ 1,032	$ 944
Alternative revenue programs, net of amortization	(2)	0	1	(2)
Total Revenues	460	449	1,033	942
Operating expenses:
Purchased power and fuel	105	104	284	234
Generation, transmission and distribution	86	71	163	140
Administrative and other	78	70	149	139
Depreciation and amortization	101	93	202	185
Taxes other than income taxes	33	31	67	64
Total operating expenses	403	369	865	762
Income from operations	57	80	168	180
Interest expense, net	31	31	63	62
Other income:
Allowance for equity funds used during construction	2	2	5	6
Miscellaneous income, net	0	1	2	0
Other income, net	2	3	7	6
Income before income tax expense	28	52	112	124
Income tax expense	3	6	14	14
Net income	25	46	98	110
Other Comprehensive Income	1	0	2	0
Comprehensive Income	$ 26	$ 46	$ 100	$ 110
Weighted-average common shares outstanding (in thousands):
Basic	89,357	89,215	89,333	89,188
Diluted	89,561	89,215	89,537	89,188
Earnings per share:
Basic	$ 0.28	$ 0.51	$ 1.10	$ 1.23
Diluted	$ 0.28	$ 0.51	$ 1.09	$ 1.23