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CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) shares in Millions, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Operating revenues |  |  |  |  |
Electric |  | $ 2,659 | $ 2,601 | $ 5,344 | $ 5,364
Natural gas |  | 355 | 393 | 1,296 | 1,681
Other |  | 14 | 28 | 37 | 57
Total operating revenues |  | 3,028 | 3,022 | 6,677 | 7,102
Operating expenses |  |  |  |  |
Electric fuel and purchased power |  | 855 | 1,030 | 1,803 | 2,147
Cost of natural gas sold and transported |  | 118 | 170 | 601 | 1,014
Cost of sales — other |  | 1 | 11 | 9 | 23
Operating and maintenance expenses |  | 662 | 628 | 1,267 | 1,278
Conservation and demand side management expenses |  | 86 | 63 | 183 | 139
Depreciation and amortization |  | 703 | 565 | 1,361 | 1,189
Taxes, Other |  | 154 | 137 | 325 | 321
Total operating expenses |  | 2,579 | 2,604 | 5,549 | 6,111
Operating income |  | 449 | 418 | 1,128 | 991
Other income, net |  | 22 | 11 | 36 | 16
Earnings from equity method investments |  | 8 | 9 | 16 | 20
Allowance for funds used during construction — equity |  | 38 | 18 | 75 | 37
Interest charges and financing costs |  |  |  |  |
Interest charges — includes other financing costs |  | 319 | 268 | 610 | 521
Allowance for funds used during construction — debt |  | (16) | (12) | (30) | (22)
Total interest charges and financing costs |  | 303 | 256 | 580 | 499
Income before income taxes |  | 214 | 200 | 675 | 565
Income tax benefit |  | (88) | (88) | (115) | (141)
Net income |  | $ 302 | $ 288 | $ 790 | $ 706
Weighted average common shares outstanding: |  |  |  |  |
Basic (in shares) |  | 557 | 551 | 556 | 551
Diluted (in shares) | [1] | 557 | 552 | 556 | 551
Earnings per average common share: |  |  |  |  |
Basic (in dollars per share) |  | $ 0.54 | $ 0.52 | $ 1.42 | $ 1.28
Diluted (in dollars per share) |  | $ 0.54 | $ 0.52 | $ 1.42 | $ 1.28
[1] | Diluted common shares outstanding included common stock equivalents of 0.2 million and 0.3 million for the three months ended June 30, 2024 and 2023, respectively. Diluted common shares outstanding included common stock equivalents of 0.2 million for the six months ended June 30, 2024 and 2023.

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