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Reinsurance (Tables) | 12 Months Ended
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Dec. 31, 2023
Reinsurance Disclosures [Abstract] |
Property Casualty Insurance Assumed And Ceded Business | The table below summarizes our consolidated property casualty insurance net written premiums, earned premiums and incurred loss and loss expenses:
(Dollars in millions) |  | Years ended December 31,
|  | 2023 |  | 2022 |  | 2021
Direct written premiums |  | $ | 7,784 |  |  | $ | 7,002 |  |  | $ | 6,229 |
Assumed written premiums |  | 597 |  |  | 619 |  |  | 515 |
Ceded written premiums |  | (335) |  |  | (314) |  |  | (265) |
Net written premiums |  | $ | 8,046 |  |  | $ | 7,307 |  |  | $ | 6,479 |
Direct earned premiums |  | $ | 7,407 |  |  | $ | 6,677 |  |  | $ | 5,996 |
Assumed earned premiums |  | 569 |  |  | 561 |  |  | 443 |
Ceded earned premiums |  | (331) |  |  | (314) |  |  | (255) |
Earned premiums |  | $ | 7,645 |  |  | $ | 6,924 |  |  | $ | 6,184 |
Direct incurred loss and loss expenses |  | $ | 4,843 |  |  | $ | 4,495 |  |  | $ | 3,352 |
Assumed incurred loss and loss expenses |  | 280 |  |  | 396 |  |  | 366 |
Ceded incurred loss and loss expenses |  | (165) |  |  | (175) |  |  | (122) |
Incurred loss and loss expenses |  | $ | 4,958 |  |  | $ | 4,716 |  |  | $ | 3,596 |
Life Insurance Assumed And Ceded Business | The table below summarizes our consolidated life insurance earned premiums and contract holders' benefits incurred:
(Dollars in millions) |  | Years ended December 31,
|  | 2023 |  | 2022 |  | 2021
Direct earned premiums |  | $ | 394 |  |  | $ | 379 |  |  | $ | 370 |
Ceded earned premiums |  | (81) |  |  | (78) |  |  | (76) |
Earned premiums |  | $ | 313 |  |  | $ | 301 |  |  | $ | 294 |
Direct contract holders' benefits incurred |  | $ | 391 |  |  | $ | 394 |  |  | $ | 380 |
Ceded contract holders' benefits incurred |  | (75) |  |  | (91) |  |  | (67) |
Contract holders' benefits incurred |  | $ | 316 |  |  | $ | 303 |  |  | $ | 313 |

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