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v3.24.0.1

Consolidated Income Statements - USD ($) shares in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Income Statement [Abstract] |  |  |
Operating revenues | $ 8,893.0 | $ 9,597.4 | $ 8,316.0
Operating expenses |  |  |
Cost of sales | 3,191.2 | 4,358.9 | 3,311.0
Other operation and maintenance | 2,100.5 | 1,938.0 | 2,005.5
Impairment related to ICC disallowances | 178.9 | 0.0 | 0.0
Depreciation and amortization | 1,264.2 | 1,122.6 | 1,074.3
Property and revenue taxes | 250.2 | 253.7 | 210.3
Total operating expenses | 6,985.0 | 7,673.2 | 6,601.1
Operating income | 1,908.0 | 1,924.2 | 1,714.9
Equity in earnings of transmission affiliates | 177.5 | 194.7 | 158.1
Other income, net | 177.7 | 128.8 | 133.2
Interest expense | 726.9 | 515.1 | 471.1
Loss on debt extinguishment | 0.0 | 0.0 | 36.3
Other expense | (371.7) | (191.6) | (216.1)
Income before income taxes | 1,536.3 | 1,732.6 | 1,498.8
Income tax expense | 204.6 | 322.9 | 200.3
Net income | 1,331.7 | 1,409.7 | 1,298.5
Preferred stock dividends of subsidiary | 1.2 | 1.2 | 1.2
Net (income) loss attributed to noncontrolling interests | 1.2 | (0.4) | 3.0
Net income attributed to common shareholders | $ 1,331.7 | $ 1,408.1 | $ 1,300.3
Earnings per share |  |  |
Basic (in dollars per share) | $ 4.22 | $ 4.46 | $ 4.12
Diluted (in dollars per share) | $ 4.22 | $ 4.45 | $ 4.11
Weighted average common shares outstanding |  |  |
Basic (in shares) | 315.4 | 315.4 | 315.4
Diluted (in shares) | 315.9 | 316.1 | 316.3

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