Consolidated Statements of Income - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues, net	$ 2,912	$ 2,636	$ 2,425
Alternative revenue programs, net of amortization	11	11	(29)
Total Revenues	2,923	2,647	2,396
Operating expenses:
Purchased power and fuel	1,190	988	822
Generation, transmission and distribution	374	348	310
Administrative and other	341	340	336
Depreciation and amortization	458	417	404
Taxes other than income taxes	164	157	146
Total operating expenses	2,527	2,250	2,018
Income from operations	396	397	378
Interest expense, net	173	156	137
Other income:
Allowance for equity funds used during construction	19	14	17
Miscellaneous income, net	31	17	9
Other income, net	50	31	26
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	273	272	267
Income tax expense	45	39	23
Net income	$ 228	$ 233	$ 244
Weighted-average shares outstanding (in thousands):
Basic	97,760	89,290	89,481
Diluted	97,952	89,643	89,627
Earnings per share:
Basic	$ 2.33	$ 2.61	$ 2.72
Diluted	$ 2.33	$ 2.60	$ 2.72