Condensed Consolidated Statements of Income and Comprehensive Income (Unaudited) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenue, net	$ 538	$ 525	$ 1,570	$ 1,469
Alternative revenue programs, net of amortization	4	0	5	(2)
Total Revenues	542	525	1,575	1,467
Operating expenses:
Purchased power and fuel	165	186	449	420
Generation, transmission and distribution	78	72	241	212
Administrative and other	74	49	223	188
Depreciation and amortization	103	96	305	281
Taxes other than income taxes	34	31	101	95
Total operating expenses	454	434	1,319	1,196
Income from operations	88	91	256	271
Interest expense, net	32	31	95	93
Other income:
Allowance for equity funds used during construction	2	2	7	8
Miscellaneous income, net	3	0	5	0
Other income, net	5	2	12	8
Income before income tax expense	61	62	173	186
Income tax expense	6	9	20	23
Net income	55	53	153	163
Other Comprehensive Income	0	0	2	0
Comprehensive Income	$ 55	$ 53	$ 155	$ 163
Weighted-average common shares outstanding (in thousands):
Basic	89,372	89,239	89,346	89,205
Diluted	89,594	89,239	89,555	89,205
Earnings per share:
Basic	$ 0.61	$ 0.59	$ 1.71	$ 1.82
Diluted	$ 0.61	$ 0.59	$ 1.70	$ 1.82