CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Utility revenues:
Utility revenues, exclusive of alternative revenue programs	$ 399	$ 386	$ 1,024	$ 992
Alternative revenue programs	12	16	4	19
Total operating revenues	411	402	1,028	1,011
Utility operating expenses:
Resource costs	130	144	386	437
Other operating expenses	124	109	252	221
Depreciation and amortization	72	68	143	136
Taxes other than income taxes	28	26	64	61
Non-utility operating expenses	0	0	1	1
Total operating expenses	354	347	846	856
Income from operations	57	55	182	155
Interest expense	37	36	75	73
Interest expense to affiliated trusts	0	1	1	1
Capitalized interest	(1)	(1)	(3)	(2)
Other expense (income)-net	6	(5)	3	(14)
Income before income taxes	15	24	106	97
Income tax expense	1	1	13	3
Net income and Comprehensive income	$ 14	$ 23	$ 93	$ 94
Weighted-average common shares outstanding (thousands), basic	80,715	78,390	80,466	78,276
Weighted-average common shares outstanding (thousands), diluted	80,774	78,456	80,542	78,333
Earnings per common share:
Basic	$ 0.17	$ 0.29	$ 1.15	$ 1.2
Diluted	$ 0.17	$ 0.29	$ 1.15	$ 1.2