Condensed Consolidated Statements of Income and Comprehensive Income (Unaudited) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenue, net	$ 556	$ 538	$ 1,589	$ 1,570
Alternative revenue programs, net of amortization	(9)	4	0	5
Total revenues	547	542	1,589	1,575
Operating expenses:
Purchased power and fuel	292	165	554	449
Generation, transmission and distribution	65	78	215	241
Administrative and other	63	74	208	223
Depreciation and amortization	108	103	320	305
Taxes other than income taxes	35	34	104	101
Total operating expenses	563	454	1,401	1,319
Income from operations	(16)	88	188	256
Interest expense, net	35	32	102	95
Other income:
Allowance for equity funds used during construction	4	2	11	7
Miscellaneous income (loss), net	3	3	2	5
Other income, net	7	5	13	12
Income before income tax expense	(44)	61	99	173
Income tax expense	(27)	6	(4)	20
Net income	(17)	55	103	153
Other comprehensive Income	0	0	1	2
Comprehensive Income	$ (17)	$ 55	$ 104	$ 155
Weighted-average common shares outstanding (in thousands):
Basic	89,509	89,372	89,476	89,346
Diluted	89,509	89,594	89,629	89,555
Earnings per share:
Basic	$ (0.19)	$ 0.61	$ 1.16	$ 1.71
Diluted	$ (0.19)	$ 0.61	$ 1.15	$ 1.70