Condensed Consolidated Statements of Income and Comprehensive Income (Unaudited) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenue, net	$ 646	$ 588	$ 1,391	$ 1,213
Alternative revenue programs, net of amortization	2	3	5	4
Total revenues	648	591	1,396	1,217
Operating expenses:
Purchased power and fuel	220	168	524	370
Generation, transmission and distribution	101	85	194	175
Administrative and other	93	84	173	173
Depreciation and amortization	113	103	224	202
Taxes other than income taxes	40	39	83	79
Total operating expenses	567	479	1,198	999
Income from operations	81	112	198	218
Interest expense, net	41	38	85	76
Other income:
Allowance for equity funds used during construction	4	3	7	6
Miscellaneous income (loss), net	5	0	17	0
Other income, net	9	3	24	6
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	49	77	137	148
Income tax expense	10	13	24	24
Net income	39	64	113	124
Other comprehensive Income	1	1	1	1
Comprehensive Income	$ 40	$ 65	$ 114	$ 125
Weighted-average common shares outstanding (in thousands):
Basic	97,087	89,225	94,478	89,310
Diluted	97,630	89,371	94,950	89,449
Diluted	$ 0.39	$ 0.72	$ 1.19	$ 1.39