Consolidated Statements of Income and Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues
Electric	$ 2,637	$ 2,519	$ 2,170
Gas	0	650	525
Total revenues	2,637	3,169	2,695
Expenses
Fuel	605	676	604
Purchased power	78	151	106
Cost of natural gas sold	0	257	155
Operations & maintenance	595	619	566
Depreciation and amortization	422	436	430
Taxes, other than income	234	257	228
Total expenses	1,934	2,396	2,089
Income from operations	703	773	606
Other income
Allowance for other funds used during construction	19	35	45
Interest income from affiliates	38	0	0
Other income, net	32	20	5
Total other income	89	55	50
Interest charges
Interest expense	234	178	151
Interest expense to affiliates	11	0	0
Allowance for borrowed funds used during construction	(6)	(11)	(21)
Total interest charges	239	167	130
Income before provision for income taxes	553	661	526
Provision for income taxes	87	121	80
Net income	466	540	446
Comprehensive income	$ 466	$ 540	$ 446