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RESERVE FOR LOSSES AND LAE - Schedule of Ultimate Loss and ALAE and Paid Loss and ALAE, Net of Reinsurance (Details) $ in Millions | Dec. 31, 2024 USD ($) claim | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
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Reinsurance | Property, Liability and Casualty Insurance Product Line |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | $ 20,240 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 8,048 |  |  |  |  |  |  |  |  |
All outstanding liabilities prior to 2015, net of reinsurance | 617 |  |  |  |  |  |  |  |  |
Liabilities for unpaid claims and claim adjustment expenses, net of reinsurance (1) | 12,810 |  |  |  |  |  |  |  |  |
Reinsurance | Property Insurance |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 24,337 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 18,355 |  |  |  |  |  |  |  |  |
All outstanding liabilities prior to 2015, net of reinsurance | 46 |  |  |  |  |  |  |  |  |
Liabilities for unpaid claims and claim adjustment expenses, net of reinsurance (1) | 6,028 |  |  |  |  |  |  |  |  |
Reinsurance | Accident Year 2015 | Property, Liability and Casualty Insurance Product Line |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 845 | $ 832 | $ 833 | $ 835 | $ 835 | $ 799 | $ 815 | $ 818 | $ 821 | $ 777
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 45 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 702 | 677 | 650 | 613 | 567 | 499 | 410 | 265 | 158 | 56
Reinsurance | Accident Year 2015 | Property Insurance |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 911 | 921 | 924 | 927 | 925 | 933 | 930 | 956 | 1,037 | 1,378
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 0 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 889 | 888 | 884 | 879 | 871 | 850 | 823 | 740 | 591 | 369
Reinsurance | Accident Year 2016 | Property, Liability and Casualty Insurance Product Line |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 1,022 | 1,000 | 970 | 940 | 938 | 862 | 867 | 870 | 792 |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 52 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 826 | 762 | 693 | 618 | 542 | 429 | 323 | 189 | 89 |
Reinsurance | Accident Year 2016 | Property Insurance |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 1,502 | 1,509 | 1,507 | 1,511 | 1,510 | 1,532 | 1,538 | 1,502 | 1,681 |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 1 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 1,128 | 1,084 | 1,082 | 1,081 | 1,089 | 1,080 | 1,056 | 946 | 459 |
Reinsurance | Accident Year 2017 | Property, Liability and Casualty Insurance Product Line |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 1,079 | 1,051 | 986 | 931 | 922 | 841 | 834 | 875 |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 24 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 917 | 790 | 681 | 582 | 458 | 317 | 186 | 80 |  |
Reinsurance | Accident Year 2017 | Property Insurance |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 3,724 | 3,705 | 3,692 | 3,681 | 3,636 | 3,507 | 3,396 | 2,773 |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 3 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 3,590 | 3,482 | 3,407 | 3,313 | 3,117 | 2,733 | 2,170 | 810 |  |
Reinsurance | Accident Year 2018 | Property, Liability and Casualty Insurance Product Line |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 1,775 | 1,718 | 1,621 | 1,553 | 1,522 | 1,445 | 1,447 |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 246 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 1,214 | 1,008 | 828 | 652 | 497 | 296 | 188 |  |  |
Reinsurance | Accident Year 2018 | Property Insurance |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 2,382 | 2,347 | 2,362 | 2,409 | 2,471 | 2,469 | 2,594 |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 3 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 2,307 | 2,184 | 2,121 | 2,047 | 1,857 | 1,509 | 534 |  |  |
Reinsurance | Accident Year 2019 | Property, Liability and Casualty Insurance Product Line |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 1,954 | 1,893 | 1,853 | 1,828 | 1,826 | 1,761 |  |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 346 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 1,234 | 963 | 735 | 533 | 364 | 239 |  |  |  |
Reinsurance | Accident Year 2019 | Property Insurance |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 1,920 | 1,869 | 1,866 | 1,981 | 2,036 | 2,005 |  |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 2 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 1,934 | 1,771 | 1,645 | 1,482 | 1,159 | 714 |  |  |  |
Reinsurance | Accident Year 2020 | Property, Liability and Casualty Insurance Product Line |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 1,911 | 1,869 | 1,907 | 1,928 | 1,957 |  |  |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 588 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 987 | 720 | 486 | 307 | 205 |  |  |  |  |
Reinsurance | Accident Year 2020 | Property Insurance |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 2,379 | 2,377 | 2,405 | 2,461 | 2,388 |  |  |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 3 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 2,251 | 1,989 | 1,706 | 1,302 | 571 |  |  |  |  |
Reinsurance | Accident Year 2021 | Property, Liability and Casualty Insurance Product Line |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 2,518 | 2,427 | 2,487 | 2,491 |  |  |  |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 1,229 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 845 | 542 | 319 | 206 |  |  |  |  |  |
Reinsurance | Accident Year 2021 | Property Insurance |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 2,582 | 2,692 | 2,770 | 2,745 |  |  |  |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 14 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 2,420 | 2,014 | 1,523 | 679 |  |  |  |  |  |
Reinsurance | Accident Year 2022 | Property, Liability and Casualty Insurance Product Line |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 2,739 | 2,688 | 2,730 |  |  |  |  |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 1,658 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 646 | 345 | 184 |  |  |  |  |  |  |
Reinsurance | Accident Year 2022 | Property Insurance |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 2,586 | 2,880 | 3,202 |  |  |  |  |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 261 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 1,896 | 1,364 | 619 |  |  |  |  |  |  |
Reinsurance | Accident Year 2023 | Property, Liability and Casualty Insurance Product Line |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 3,123 | 2,958 |  |  |  |  |  |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 2,315 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 422 | 201 |  |  |  |  |  |  |  |
Reinsurance | Accident Year 2023 | Property Insurance |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 2,411 | 2,788 |  |  |  |  |  |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 662 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 1,165 | 600 |  |  |  |  |  |  |  |
Reinsurance | Accident Year 2024 | Property, Liability and Casualty Insurance Product Line |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 3,275 |  |  |  |  |  |  |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 2,756 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 256 |  |  |  |  |  |  |  |  |
Reinsurance | Accident Year 2024 | Property Insurance |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 3,940 |  |  |  |  |  |  |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 2,214 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 774 |  |  |  |  |  |  |  |  |
Insurance | Property, Liability and Casualty Insurance Product Line |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 10,993 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 5,200 |  |  |  |  |  |  |  |  |
All outstanding liabilities prior to 2015, net of reinsurance | 97 |  |  |  |  |  |  |  |  |
Liabilities for unpaid claims and claim adjustment expenses, net of reinsurance (1) | 5,891 |  |  |  |  |  |  |  |  |
Insurance | Property Insurance |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 4,864 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 4,102 |  |  |  |  |  |  |  |  |
All outstanding liabilities prior to 2015, net of reinsurance | 0 |  |  |  |  |  |  |  |  |
Liabilities for unpaid claims and claim adjustment expenses, net of reinsurance (1) | 762 |  |  |  |  |  |  |  |  |
Insurance | Accident Year 2015 | Property, Liability and Casualty Insurance Product Line |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 445 | 426 | 434 | 427 | 426 | 427 | 503 | 500 | 492 | 487
Total of IBNR Liabilities Plus Expected Development on Reported Claims | $ 11 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 27,331 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | $ 417 | 409 | 397 | 379 | 351 | 325 | 270 | 208 | 127 | 43
Insurance | Accident Year 2015 | Property Insurance |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 165 | 164 | 165 | 163 | 162 | 161 | 160 | 159 | 169 | 179
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 1 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 164 | 163 | 163 | 162 | 161 | 160 | 158 | 155 | 153 | $ 107
Insurance | Accident Year 2016 | Property, Liability and Casualty Insurance Product Line |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 494 | 488 | 478 | 474 | 489 | 557 | 538 | 510 | 504 |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | $ 17 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 31,267 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | $ 460 | 448 | 430 | 398 | 362 | 314 | 253 | 156 | 51 |
Insurance | Accident Year 2016 | Property Insurance |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 301 | 302 | 300 | 299 | 297 | 292 | 284 | 281 | 289 |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 2 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 299 | 299 | 299 | 297 | 296 | 290 | 272 | 249 | $ 167 |
Insurance | Accident Year 2017 | Property, Liability and Casualty Insurance Product Line |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 580 | 584 | 559 | 559 | 585 | 567 | 557 | 559 |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | $ 32 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 34,793 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | $ 527 | 493 | 467 | 404 | 343 | 263 | 165 | 52 |  |
Insurance | Accident Year 2017 | Property Insurance |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 506 | 509 | 508 | 496 | 494 | 486 | 494 | 486 |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 1 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 505 | 504 | 505 | 493 | 477 | 452 | 416 | $ 176 |  |
Insurance | Accident Year 2018 | Property, Liability and Casualty Insurance Product Line |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 811 | 772 | 697 | 685 | 679 | 648 | 643 |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | $ 64 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 34,838 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | $ 678 | 623 | 539 | 407 | 296 | 196 | 61 |  |  |
Insurance | Accident Year 2018 | Property Insurance |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 435 | 436 | 428 | 410 | 401 | 399 | 403 |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 3 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 431 | 429 | 424 | 407 | 376 | 356 | $ 240 |  |  |
Insurance | Accident Year 2019 | Property, Liability and Casualty Insurance Product Line |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 1,089 | 953 | 804 | 797 | 777 | 774 |  |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | $ 145 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 37,837 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | $ 828 | 646 | 498 | 364 | 218 | 69 |  |  |  |
Insurance | Accident Year 2019 | Property Insurance |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 375 | 380 | 365 | 350 | 352 | 347 |  |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 6 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 368 | 363 | 355 | 335 | 313 | $ 226 |  |  |  |
Insurance | Accident Year 2020 | Property, Liability and Casualty Insurance Product Line |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 1,096 | 975 | 977 | 989 | 912 |  |  |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | $ 273 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 39,675 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | $ 659 | 531 | 372 | 229 | 63 |  |  |  |  |
Insurance | Accident Year 2020 | Property Insurance |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 492 | 503 | 498 | 508 | 601 |  |  |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 10 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 473 | 465 | 450 | 413 | $ 292 |  |  |  |  |
Insurance | Accident Year 2021 | Property, Liability and Casualty Insurance Product Line |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 1,353 | 1,153 | 1,159 | 1,117 |  |  |  |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | $ 464 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 44,458 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | $ 655 | 428 | 246 | 105 |  |  |  |  |  |
Insurance | Accident Year 2021 | Property Insurance |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 628 | 602 | 585 | 646 |  |  |  |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 37 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 565 | 544 | 482 | $ 325 |  |  |  |  |  |
Insurance | Accident Year 2022 | Property, Liability and Casualty Insurance Product Line |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 1,597 | 1,239 | 1,241 |  |  |  |  |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | $ 739 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 46,433 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | $ 578 | 282 | 79 |  |  |  |  |  |  |
Insurance | Accident Year 2022 | Property Insurance |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 698 | 796 | 770 |  |  |  |  |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 42 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 594 | 567 | $ 377 |  |  |  |  |  |  |
Insurance | Accident Year 2023 | Property, Liability and Casualty Insurance Product Line |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 1,740 | 1,424 |  |  |  |  |  |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | $ 1,125 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 44,372 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | $ 311 | 93 |  |  |  |  |  |  |  |
Insurance | Accident Year 2023 | Property Insurance |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 669 | 717 |  |  |  |  |  |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 94 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | 503 | $ 400 |  |  |  |  |  |  |  |
Insurance | Accident Year 2024 | Property, Liability and Casualty Insurance Product Line |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 1,788 |  |  |  |  |  |  |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | $ 1,546 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 33,512 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | $ 85 |  |  |  |  |  |  |  |  |
Insurance | Accident Year 2024 | Property Insurance |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Ultimate incurred loss and allocated loss adjustment expenses, net of reinsurance | 597 |  |  |  |  |  |  |  |  |
Total of IBNR Liabilities Plus Expected Development on Reported Claims | 192 |  |  |  |  |  |  |  |  |
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance | $ 200 |  |  |  |  |  |  |  |  |

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