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Schedule II - Condensed Financial Information of Registrant - Statement of Income (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Revenues |  |  |
Net investment income | $ 1,625 | $ 1,495 | $ 1,023
Net realized gains (losses) | 464 | 197 | (165)
Total revenues | 19,929 | 17,440 | 13,634
Expenses |  |  |
Corporate expenses | 132 | 200 | 102
Interest expense | 148 | 141 | 133
Total expenses | 14,950 | 12,966 | 10,249
Income tax (expense) benefit | (760) | (362) | 873
Income (loss) from operating affiliates | 180 | 200 | 184
Net income available to Arch | 4,399 | 4,312 | 4,443
Preferred share dividends | (40) | (40) | (40)
Net income available to Arch common shareholders | 4,359 | 4,272 | 4,403
Parent |  |  |
Revenues |  |  |
Net investment income | 3 | 5 | 2
Net realized gains (losses) | (10) | (4) | 0
Total revenues | (7) | 1 | 2
Expenses |  |  |
Corporate expenses | 57 | 116 | 93
Interest expense | 59 | 59 | 59
Total expenses | 116 | 175 | 152
Income (loss) before income taxes | (123) | (174) | (150)
Income tax (expense) benefit | 58 | 0 | 41
Income (loss) from operating affiliates | (1) | (1) | (1)
Income (loss) before equity in net income of subsidiaries | (66) | (175) | (110)
Equity in net income of subsidiaries | 4,465 | 4,487 | 4,553
Net income available to Arch | 4,399 | 4,312 | 4,443
Preferred share dividends | (40) | (40) | (40)
Net income available to Arch common shareholders | $ 4,359 | $ 4,272 | $ 4,403

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