Consolidated Statements of Income - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenues, net	$ 2,636	$ 2,425	$ 2,151
Alternative revenue programs, net of amortization	11	(29)	(6)
Total Revenues	2,647	2,396	2,145
Operating expenses:
Purchased power and fuel	988	822	708
Generation, transmission and distribution	348	310	293
Administrative and other	340	336	283
Depreciation and amortization	417	404	454
Taxes other than income taxes	157	146	138
Total operating expenses	2,250	2,018	1,876
Income from operations	397	378	269
Interest expense, net	156	137	136
Other income:
Allowance for equity funds used during construction	14	17	16
Miscellaneous income, net	17	9	6
Other income, net	31	26	22
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	272	267	155
Income tax expense	39	23	0
Net income	$ 233	$ 244	$ 155
Weighted-average shares outstanding (in thousands):
Basic	89,290	89,481	89,485
Diluted	89,643	89,627	89,645
Earnings per share:
Basic	$ 2.61	$ 2.72	$ 1.73
Diluted	$ 2.60	$ 2.72	$ 1.72