Condensed Consolidated Statements of Income and Comprehensive Income (Unaudited) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenue, net	$ 588	$ 545	$ 1,213	$ 1,157
Alternative revenue programs, net of amortization	3	(8)	4	(11)
Total revenues	591	537	1,217	1,146
Operating expenses:
Purchased power and fuel	168	185	370	354
Generation, transmission and distribution	85	76	175	156
Administrative and other	84	79	173	165
Depreciation and amortization	103	101	202	204
Taxes other than income taxes	39	35	79	73
Total operating expenses	479	476	999	952
Income from operations	112	61	218	194
Interest expense, net	38	33	76	67
Other income:
Allowance for equity funds used during construction	3	5	6	9
Miscellaneous income (loss), net	0	3	0	5
Other income, net	3	8	6	14
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	77	36	148	141
Income tax expense	13	4	24	13
Net income	64	32	124	128
Other comprehensive Income	1	0	1	0
Comprehensive Income	$ 65	$ 32	$ 125	$ 128
Weighted-average common shares outstanding (in thousands):
Basic	89,225	89,554	89,310	89,555
Diluted	89,371	89,672	89,449	89,687
Earnings Per Share, Basic and Diluted	$ 0.72	$ 0.36	$ 1.39	$ 1.43