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Schedule II - Condensed Financial Information of Registrant - Statement of Income (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Revenues |  |  |
Net investment income | $ 1,495 | $ 1,023 | $ 496
Net realized gains (losses) | 197 | (165) | (663)
Total revenues | 17,440 | 13,634 | 9,613
Expenses |  |  |
Corporate expenses | 200 | 102 | 95
Interest expense | 141 | 133 | 131
Total expenses | 12,966 | 10,249 | 8,126
Income tax (expense) benefit | (362) | 873 | (80)
Income (loss) from operating affiliates | 200 | 184 | 75
Net income available to Arch | 4,312 | 4,443 | 1,476
Preferred share dividends | (40) | (40) | (40)
Net income available to Arch common shareholders | 4,272 | 4,403 | 1,436
Parent |  |  |
Revenues |  |  |
Net investment income | 5 | 2 | 2
Net realized gains (losses) | (4) | 0 | 0
Total revenues | 1 | 2 | 2
Expenses |  |  |
Corporate expenses | 116 | 93 | 86
Interest expense | 59 | 59 | 59
Total expenses | 175 | 152 | 145
Income (loss) before income taxes | (174) | (150) | (143)
Income tax (expense) benefit | 0 | 41 | 0
Income (loss) from operating affiliates | (1) | (1) | (1)
Income (loss) before equity in net income of subsidiaries | (175) | (110) | (144)
Equity in net income of subsidiaries | 4,487 | 4,553 | 1,593
Net income available to Arch | 4,312 | 4,443 | 1,449
Preferred share dividends | (40) | (40) | (40)
Net income available to Arch common shareholders | $ 4,272 | $ 4,403 | $ 1,409

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