CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) shares in Millions, $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Operating revenues
Electric		$ 3,387	$ 3,699	$ 8,751	$ 9,255
Natural gas		245	357	1,926	1,923
Other		30	26	87	79
Total operating revenues		3,662	4,082	10,764	11,257
Operating expenses
Electric fuel and purchased power		1,181	1,497	3,328	3,772
Cost of natural gas sold and transported		70	173	1,084	1,134
Cost of sales — other		14	11	37	32
Operating and maintenance expenses		586	611	1,864	1,827
Conservation and demand side management expenses		76	86	215	259
Depreciation and amortization		618	607	1,807	1,807
Taxes, Other		168	173	489	523
Gain (Loss) Related to Litigation Settlement		34	0	34	0
Total operating expenses		2,747	3,158	8,858	9,354
Operating income		915	924	1,906	1,903
Other income (expense), net		3	(15)	19	(20)
Earnings from equity method investments		7	1	27	27
Allowance for funds used during construction — equity		26	20	63	53
Interest charges and financing costs
Interest charges — includes other financing costs of $8, $8, $24 and $24, respectively		269	244	790	705
Allowance for funds used during construction — debt		(14)	(7)	(36)	(19)
Total interest charges and financing costs		255	237	754	686
Income before income taxes		696	693	1,261	1,277
Income tax expense (benefit)		40	44	(101)	(80)
Net income		$ 656	$ 649	$ 1,362	$ 1,357
Weighted average common shares outstanding:
Basic (in shares)		552	548	551	546
Diluted (in shares)	[1]	552	548	552	546
Earnings per average common share:
Basic (in dollars per share)		$ 1.19	$ 1.19	$ 2.47	$ 2.48
Diluted (in dollars per share)		$ 1.19	$ 1.18	$ 2.47	$ 2.48

[1] Diluted common shares outstanding included common stock equivalents of 0.3 million for the three months ended Sept. 30, 2023 and 2022. Diluted common shares outstanding included common stock equivalents of 0.2 million and 0.3 million for the nine months ended Sept. 30, 2023 and 2022, respectively.