CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) shares in Millions, $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Operating revenues
Electric		$ 3,699	$ 3,176	$ 9,255	$ 8,643
Natural gas		357	268	1,923	1,364
Other		26	23	79	69
Total operating revenues		4,082	3,467	11,257	10,076
Operating expenses
Electric fuel and purchased power		1,497	1,210	3,772	3,643
Cost of natural gas sold and transported		173	86	1,134	603
Cost of sales — other		11	11	32	28
O&M expenses		611	568	1,827	1,752
Conservation and demand side management expenses		86	78	259	222
Depreciation and amortization		607	537	1,807	1,586
Taxes, Other		173	152	523	472
Total operating expenses		3,158	2,642	9,354	8,306
Operating income		924	825	1,903	1,770
Other (expense) income, net		(15)	(3)	(20)	5
Earnings from equity method investments		1	13	27	47
Allowance for funds used during construction — equity		20	21	53	53
Interest charges and financing costs
Interest charges — includes other financing costs of $8, $7, $24 and $22, respectively		244	211	705	628
Allowance for funds used during construction — debt		(7)	(7)	(19)	(18)
Total interest charges and financing costs		237	204	686	610
Income before income taxes		693	652	1,277	1,265
Income tax expense (benefit)		44	43	(80)	(17)
Net income		$ 649	$ 609	$ 1,357	$ 1,282
Weighted average common shares outstanding:
Basic (in shares)		548	539	546	539
Diluted (in shares)	[1]	548	539	546	539
Earnings per average common share:
Basic (in dollars per share)		$ 1.19	$ 1.13	$ 2.48	$ 2.38
Diluted (in dollars per share)		$ 1.18	$ 1.13	$ 2.48	$ 2.38

[1] Diluted common shares outstanding included common stock equivalents of 0.3 million for the three months ended September 30, 2022 and 2021, respectively. Diluted common shares outstanding included common stock equivalents of 0.3 million for the nine months ended September 30, 2022 and 2021, respectively.