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Schedule II - Condensed Financial Information of Registrant - Balance Sheet (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | --- | ---
Assets |  |  |  |
Total investments | $ 40,540 | $ 33,856 |  |
Cash | 979 | 917 | $ 855 |
Investment in operating affiliates | 1,240 | 1,119 |  |
Other assets | 6,231 | 4,761 |  |
Total assets | 70,906 | 58,906 | 47,990 |
Liabilities |  |  |  |
Senior notes | 2,728 | 2,726 |  |
Other liabilities | 3,039 | 1,942 |  |
Total liabilities | 50,086 | 40,551 | 35,069 |
Shareholders’ Equity |  |  |  |
Non-cumulative preferred shares | 830 | 830 |  |
Common shares ($0.0011 par, shares issued: 595.6 and 591.9) | 1 | 1 |  |
Additional paid-in capital | 2,510 | 2,327 |  |
Retained earnings | 22,686 | 20,295 |  |
Accumulated other comprehensive income (loss), net of deferred income tax | (720) | (676) | (1,646) | $ (65)
Common shares held in treasury, at cost (shares: 219.2 and 218.5) | (4,487) | (4,424) |  |
Total shareholders' equity | 20,820 | 18,353 | $ 12,910 |
Total liabilities and shareholders' equity | $ 70,906 | $ 58,906 |  |
Parenthetical information: |  |  |  |
Common shares, par value per share | $ 0.0011 | $ 0.0011 |  |
Common shares issued (shares) | 595.6 | 591.9 | 588.3 | 583.3
Common shares held in treasury (shares) | 219.2 | 218.5 | 217.9 |
Parent Company |  |  |  |
Assets |  |  |  |
Total investments | $ 43 | $ 17 |  |
Cash | 13 | 9 |  |
Investment in subsidiaries | 22,035 | 19,590 |  |
Investment in operating affiliates | 3 | 4 |  |
Due from subsidiaries and affiliates | 6 | 0 |  |
Other assets | 66 | 58 |  |
Total assets | 22,166 | 19,678 |  |
Liabilities |  |  |  |
Senior notes | 1,287 | 1,287 |  |
Due to subsidiaries and affiliates | 11 | 0 |  |
Other liabilities | 48 | 38 |  |
Total liabilities | 1,346 | 1,325 |  |
Shareholders’ Equity |  |  |  |
Non-cumulative preferred shares | 830 | 830 |  |
Common shares ($0.0011 par, shares issued: 595.6 and 591.9) | 1 | 1 |  |
Additional paid-in capital | 2,510 | 2,327 |  |
Retained earnings | 22,686 | 20,295 |  |
Accumulated other comprehensive income (loss), net of deferred income tax | (720) | (676) |  |
Common shares held in treasury, at cost (shares: 219.2 and 218.5) | (4,487) | (4,424) |  |
Total shareholders' equity | 20,820 | 18,353 |  |
Total liabilities and shareholders' equity | $ 22,166 | $ 19,678 |  |
Parenthetical information: |  |  |  |
Common shares, par value per share | $ 0.0011 | $ 0.0011 |  |
Common shares issued (shares) | 595.6 | 591.9 |  |
Common shares held in treasury (shares) | 219.2 | 218.5 |  |

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