STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Operating revenues
Operating revenues	$ 677	$ 741	$ 1,681	$ 1,876
Operating expenses
Electric fuel and purchased power	271	362	727	881
Operating and maintenance expenses	73	79	222	238
Demand side management expenses	6	7	16	18
Depreciation and amortization	90	89	273	299
Taxes (other than income taxes)	25	26	74	84
Total operating expenses	465	563	1,312	1,520
Operating income	212	178	369	356
Other expense, net	(1)	(3)	0	(2)
Allowance for funds used during construction — equity	2	1	5	2
Interest charges and financing costs
Interest charges and other financing costs	36	33	107	108
Allowance for funds used during construction — debt	(2)	0	(5)	(1)
Total interest charges and financing costs	34	33	102	107
Income before income taxes	179	143	272	249
Income tax expense (benefit)	12	5	(30)	(34)
Net income	$ 167	$ 138	$ 302	$ 283