CONSOLIDATED 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
Electric	$ 1,113	$ 1,137	$ 2,877	$ 2,849
Natural gas	165	235	1,247	1,087
Other	12	11	41	39
Total operating revenues	1,290	1,383	4,165	3,975	[1]
Operating expenses
Electric fuel and purchased power	356	399	1,055	1,075
Cost of natural gas sold and transported	44	98	660	549
Cost of sales — other	5	4	13	13
Operating and maintenance expenses	196	220	648	650
Demand side management expenses	39	32	106	97
Depreciation and amortization	235	219	693	627
Taxes (other than income taxes)	71	70	216	205
Total operating expenses	980	1,042	3,425	3,216
Operating income	310	341	740	759
Other income (expense), net	1	(4)	7	(4)
Allowance for funds used during construction — equity	12	8	25	22
Interest charges and financing costs
Interest charges — includes other financing costs of $2, $2, $6 and $6, respectively	79	70	228	199
Allowance for funds used during construction — debt	(6)	(3)	(13)	(8)
Total interest charges and financing costs	73	67	215	191
Income before income taxes	250	278	557	586
Income tax expense	21	31	21	31
Net income	229	247	536	555
Gain (Loss) Related to Litigation Settlement	$ 34	$ 0	$ 34	$ 0

[1] Total revenues include $3 million and $4 million of other affiliate revenue for the nine months ended Sept. 30, 2023 and 2022.