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Reserve for Unpaid Losses and Loss Adjustment Expenses - Historical Loss Development Triangles, P&C (Details) claim in Millions, $ in Millions | Dec. 31, 2019 USD ($) claim | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($) | Dec. 31, 2012 USD ($) | Dec. 31, 2011 USD ($) | Dec. 31, 2010 USD ($)
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Workers’ compensation |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 18,990 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 10,991 |  |  |  |  |  |  |  |  |
Workers’ compensation | 2010 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,888 | $ 1,892 | $ 1,878 | $ 1,881 | $ 1,882 | $ 1,857 | $ 1,858 | $ 1,814 | $ 1,775 | $ 1,560
IBNR Reserves | $ 221 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 156,802 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 1,553 | 1,522 | 1,489 | 1,439 | 1,374 | 1,287 | 1,154 | 970 | 709 | 316
Workers’ compensation | 2011 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 2,239 | 2,242 | 2,232 | 2,224 | 2,221 | 2,206 | 2,204 | 2,099 | 2,013 |
IBNR Reserves | $ 314 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 177,910 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 1,786 | 1,746 | 1,690 | 1,622 | 1,518 | 1,368 | 1,156 | 841 | 371 |
Workers’ compensation | 2012 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 2,146 | 2,154 | 2,169 | 2,168 | 2,181 | 2,207 | 2,207 | 2,185 |  |
IBNR Reserves | $ 350 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 171,341 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 1,644 | 1,587 | 1,529 | 1,436 | 1,313 | 1,106 | 809 | 359 |  |
Workers’ compensation | 2013 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,850 | 1,861 | 1,861 | 1,883 | 1,920 | 1,981 | 2,020 |  |  |
IBNR Reserves | $ 415 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 151,315 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 1,304 | 1,260 | 1,175 | 1,071 | 917 | 675 | 304 |  |  |
Workers’ compensation | 2014 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,692 | 1,713 | 1,761 | 1,789 | 1,838 | 1,869 |  |  |  |
IBNR Reserves | $ 477 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 126,104 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 1,099 | 1,041 | 960 | 811 | 598 | 275 |  |  |  |
Workers’ compensation | 2015 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,714 | 1,724 | 1,801 | 1,835 | 1,873 |  |  |  |  |
IBNR Reserves | $ 540 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 113,819 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 1,004 | 909 | 778 | 576 | 261 |  |  |  |  |
Workers’ compensation | 2016 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,767 | 1,780 | 1,772 | 1,772 |  |  |  |  |  |
IBNR Reserves | $ 665 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 111,763 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 908 | 779 | 579 | 255 |  |  |  |  |  |
Workers’ compensation | 2017 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,840 | 1,869 | 1,862 |  |  |  |  |  |  |
IBNR Reserves | $ 864 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 111,096 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 778 | 575 | 261 |  |  |  |  |  |  |
Workers’ compensation | 2018 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,917 | 1,916 |  |  |  |  |  |  |  |
IBNR Reserves | $ 1,039 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 116,915 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 624 | 283 |  |  |  |  |  |  |  |
Workers’ compensation | 2019 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,937 |  |  |  |  |  |  |  |  |
IBNR Reserves | $ 1,359 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 110,515 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 291 |  |  |  |  |  |  |  |  |
General liability |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 5,711 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 2,828 |  |  |  |  |  |  |  |  |
General liability | 2010 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 482 | 483 | 467 | 465 | 431 | 428 | 437 | 432 | 445 | 436
IBNR Reserves | $ 41 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 23,941 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 427 | 418 | 409 | 387 | 327 | 284 | 230 | 149 | 68 | 20
General liability | 2011 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 420 | 426 | 417 | 416 | 404 | 405 | 408 | 420 | 431 |
IBNR Reserves | $ 48 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 22,310 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 362 | 348 | 330 | 303 | 255 | 200 | 123 | 61 | 15 |
General liability | 2012 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 413 | 421 | 408 | 410 | 392 | 399 | 402 | 423 |  |
IBNR Reserves | $ 65 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 16,501 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 323 | 305 | 280 | 233 | 170 | 101 | 55 | 13 |  |
General liability | 2013 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 505 | 502 | 488 | 484 | 456 | 442 | 455 |  |  |
IBNR Reserves | $ 77 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 13,643 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 398 | 372 | 320 | 233 | 141 | 53 | 13 |  |  |
General liability | 2014 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 522 | 513 | 494 | 481 | 475 | 506 |  |  |  |
IBNR Reserves | $ 114 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 14,318 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 358 | 304 | 214 | 130 | 42 | 15 |  |  |  |
General liability | 2015 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 633 | 594 | 554 | 560 | 556 |  |  |  |  |
IBNR Reserves | $ 141 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 15,088 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 409 | 278 | 156 | 55 | 10 |  |  |  |  |
General liability | 2016 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 633 | 607 | 583 | 613 |  |  |  |  |  |
IBNR Reserves | $ 254 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 15,984 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 283 | 131 | 52 | 12 |  |  |  |  |  |
General liability | 2017 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 613 | 614 | 626 |  |  |  |  |  |  |
IBNR Reserves | $ 359 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 15,039 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 156 | 67 | 15 |  |  |  |  |  |  |
General liability | 2018 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 669 | 692 |  |  |  |  |  |  |  |
IBNR Reserves | $ 516 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 15,368 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 83 | 21 |  |  |  |  |  |  |  |
General liability | 2019 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 821 |  |  |  |  |  |  |  |  |
IBNR Reserves | $ 744 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 11,628 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 29 |  |  |  |  |  |  |  |  |
Marine [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,226 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 974 |  |  |  |  |  |  |  |  |
Marine [Member] | 2012 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 163 | 167 | 163 | 163 | 168 | 179 | 219 | 195 |  |
IBNR Reserves | $ 0 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 6,766 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 158 | 154 | 152 | 148 | 139 | 125 | 101 | 50 |  |
Marine [Member] | 2013 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 137 | 134 | 139 | 135 | 134 | 152 | 148 |  |  |
IBNR Reserves | $ (2) |  |  |  |  |  |  |  |  |
Claims Reported | claim | 6,601 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 125 | 120 | 118 | 111 | 100 | 82 | 41 |  |  |
Marine [Member] | 2014 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 168 | 163 | 164 | 157 | 159 | 163 |  |  |  |
IBNR Reserves | $ (1) |  |  |  |  |  |  |  |  |
Claims Reported | claim | 7,093 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 156 | 150 | 130 | 116 | 80 | 40 |  |  |  |
Marine [Member] | 2015 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 133 | 148 | 145 | 145 | 158 |  |  |  |  |
IBNR Reserves | $ (8) |  |  |  |  |  |  |  |  |
Claims Reported | claim | 10,038 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 133 | 125 | 115 | 85 | 40 |  |  |  |  |
Marine [Member] | 2016 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 147 | 137 | 142 | 139 |  |  |  |  |  |
IBNR Reserves | $ (3) |  |  |  |  |  |  |  |  |
Claims Reported | claim | 12,959 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 122 | 106 | 80 | 35 |  |  |  |  |  |
Marine [Member] | 2017 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 174 | 186 | 160 |  |  |  |  |  |  |
IBNR Reserves | $ 3 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 15,216 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 141 | 110 | 48 |  |  |  |  |  |  |
Marine [Member] | 2018 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 160 | 144 |  |  |  |  |  |  |  |
IBNR Reserves | $ 5 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 13,130 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 104 | 37 |  |  |  |  |  |  |  |
Marine [Member] | 2019 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 144 |  |  |  |  |  |  |  |  |
IBNR Reserves | $ 61 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 5,775 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 35 |  |  |  |  |  |  |  |  |
Package business |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 6,817 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 5,215 |  |  |  |  |  |  |  |  |
Package business | 2010 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 647 | 649 | 651 | 653 | 651 | 652 | 652 | 654 | 662 | 657
IBNR Reserves | $ 18 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 52,484 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 627 | 625 | 618 | 613 | 601 | 570 | 539 | 487 | 414 | 270
Package business | 2011 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 807 | 812 | 813 | 814 | 808 | 800 | 790 | 792 | 810 |
IBNR Reserves | $ 26 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 61,045 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 774 | 772 | 762 | 748 | 727 | 684 | 621 | 555 | 377 |
Package business | 2012 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 732 | 739 | 735 | 736 | 731 | 728 | 725 | 736 |  |
IBNR Reserves | $ 30 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 59,817 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 694 | 687 | 673 | 652 | 616 | 560 | 486 | 286 |  |
Package business | 2013 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 586 | 592 | 586 | 585 | 573 | 565 | 579 |  |  |
IBNR Reserves | $ 32 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 43,556 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 541 | 522 | 504 | 467 | 414 | 339 | 225 |  |  |
Package business | 2014 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 603 | 603 | 602 | 601 | 578 | 566 |  |  |  |
IBNR Reserves | $ 59 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 43,098 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 525 | 507 | 468 | 416 | 345 | 226 |  |  |  |
Package business | 2015 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 588 | 583 | 585 | 588 | 582 |  |  |  |  |
IBNR Reserves | $ 69 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 41,965 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 486 | 445 | 383 | 332 | 212 |  |  |  |  |
Package business | 2016 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 625 | 632 | 638 | 655 |  |  |  |  |  |
IBNR Reserves | $ 118 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 43,672 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 465 | 410 | 353 | 225 |  |  |  |  |  |
Package business | 2017 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 692 | 702 | 695 |  |  |  |  |  |  |
IBNR Reserves | $ 192 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 45,836 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 447 | 372 | 235 |  |  |  |  |  |  |
Package business | 2018 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 724 | 719 |  |  |  |  |  |  |  |
IBNR Reserves | $ 241 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 43,026 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 402 | 237 |  |  |  |  |  |  |  |
Package business | 2019 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 813 |  |  |  |  |  |  |  |  |
IBNR Reserves | $ 392 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 36,824 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 254 |  |  |  |  |  |  |  |  |
Property | Property and Casualty, Commercial Insurance [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 2,939 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 2,520 |  |  |  |  |  |  |  |  |
Property | Property and Casualty, Commercial Insurance [Member] | 2012 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 333 | 334 | 335 | 336 | 334 | 334 | 333 | 369 |  |
IBNR Reserves | $ 1 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 26,786 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 330 | 331 | 331 | 331 | 326 | 317 | 296 | 182 |  |
Property | Property and Casualty, Commercial Insurance [Member] | 2013 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 247 | 248 | 249 | 252 | 253 | 252 | 268 |  |  |
IBNR Reserves | $ 0 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 21,601 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 245 | 244 | 242 | 243 | 238 | 223 | 161 |  |  |
Property | Property and Casualty, Commercial Insurance [Member] | 2014 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 281 | 279 | 280 | 282 | 281 | 293 |  |  |  |
IBNR Reserves | $ 0 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 21,017 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 279 | 279 | 279 | 270 | 250 | 170 |  |  |  |
Property | Property and Casualty, Commercial Insurance [Member] | 2015 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 305 | 301 | 302 | 301 | 298 |  |  |  |  |
IBNR Reserves | $ 1 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 21,005 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 301 | 296 | 284 | 257 | 179 |  |  |  |  |
Property | Property and Casualty, Commercial Insurance [Member] | 2016 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 406 | 399 | 419 | 405 |  |  |  |  |  |
IBNR Reserves | $ 1 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 23,710 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 395 | 378 | 342 | 215 |  |  |  |  |  |
Property | Property and Casualty, Commercial Insurance [Member] | 2017 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 455 | 515 | 577 |  |  |  |  |  |  |
IBNR Reserves | $ 21 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 24,235 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 412 | 378 | 229 |  |  |  |  |  |  |
Property | Property and Casualty, Commercial Insurance [Member] | 2018 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 436 | 450 |  |  |  |  |  |  |  |
IBNR Reserves | $ 38 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 21,460 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 344 | 188 |  |  |  |  |  |  |  |
Property | Property and Casualty, Commercial Insurance [Member] | 2019 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 476 |  |  |  |  |  |  |  |  |
IBNR Reserves | $ 93 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 18,634 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 214 |  |  |  |  |  |  |  |  |
Automobile liability | Property and Casualty, Commercial Insurance [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 3,698 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 2,739 |  |  |  |  |  |  |  |  |
Automobile liability | Property and Casualty, Commercial Insurance [Member] | 2010 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 339 | 340 | 341 | 344 | 344 | 338 | 335 | 309 | 291 | 290
IBNR Reserves | $ 3 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 38,158 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 335 | 334 | 330 | 324 | 315 | 305 | 266 | 199 | 132 | 60
Automobile liability | Property and Casualty, Commercial Insurance [Member] | 2011 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 363 | 362 | 363 | 365 | 366 | 356 | 356 | 310 | 272 |
IBNR Reserves | $ 6 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 39,298 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 354 | 353 | 348 | 339 | 316 | 274 | 211 | 133 | 63 |
Automobile liability | Property and Casualty, Commercial Insurance [Member] | 2012 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 388 | 387 | 389 | 395 | 402 | 391 | 377 | 311 |  |
IBNR Reserves | $ 6 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 36,043 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 376 | 372 | 359 | 346 | 307 | 234 | 143 | 65 |  |
Automobile liability | Property and Casualty, Commercial Insurance [Member] | 2013 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 335 | 339 | 340 | 341 | 334 | 318 | 311 |  |  |
IBNR Reserves | $ 11 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 32,228 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 321 | 311 | 295 | 259 | 202 | 130 | 62 |  |  |
Automobile liability | Property and Casualty, Commercial Insurance [Member] | 2014 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 334 | 341 | 337 | 331 | 317 | 309 |  |  |  |
IBNR Reserves | $ 14 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 29,597 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 309 | 299 | 252 | 197 | 131 | 59 |  |  |  |
Automobile liability | Property and Casualty, Commercial Insurance [Member] | 2015 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 356 | 356 | 372 | 358 | 308 |  |  |  |  |
IBNR Reserves | $ 18 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 28,487 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 314 | 267 | 207 | 142 | 62 |  |  |  |  |
Automobile liability | Property and Casualty, Commercial Insurance [Member] | 2016 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 391 | 390 | 393 | 385 |  |  |  |  |  |
IBNR Reserves | $ 44 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 29,036 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 303 | 232 | 147 | 65 |  |  |  |  |  |
Automobile liability | Property and Casualty, Commercial Insurance [Member] | 2017 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 379 | 383 | 372 |  |  |  |  |  |  |
IBNR Reserves | $ 76 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 26,089 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 211 | 134 | 60 |  |  |  |  |  |  |
Automobile liability | Property and Casualty, Commercial Insurance [Member] | 2018 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 396 | 349 |  |  |  |  |  |  |  |
IBNR Reserves | $ 153 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 24,016 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 153 | 62 |  |  |  |  |  |  |  |
Automobile liability | Property and Casualty, Commercial Insurance [Member] | 2019 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 417 |  |  |  |  |  |  |  |  |
IBNR Reserves | $ 291 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 22,455 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 63 |  |  |  |  |  |  |  |  |
Automobile liability | Property and Casualty, Personal Insurance [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 11,985 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 10,518 |  |  |  |  |  |  |  |  |
Automobile liability | Property and Casualty, Personal Insurance [Member] | 2010 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,265 | 1,264 | 1,265 | 1,265 | 1,275 | 1,282 | 1,287 | 1,293 | 1,321 | 1,346
IBNR Reserves | $ 3 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 248,948 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 1,260 | 1,260 | 1,258 | 1,256 | 1,251 | 1,239 | 1,202 | 1,108 | 915 | 496
Automobile liability | Property and Casualty, Personal Insurance [Member] | 2011 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,153 | 1,153 | 1,154 | 1,154 | 1,166 | 1,173 | 1,180 | 1,170 | 1,181 |
IBNR Reserves | $ 4 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 221,890 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 1,146 | 1,146 | 1,145 | 1,140 | 1,126 | 1,088 | 1,006 | 826 | 447 |
Automobile liability | Property and Casualty, Personal Insurance [Member] | 2012 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,130 | 1,130 | 1,130 | 1,133 | 1,142 | 1,146 | 1,149 | 1,141 |  |
IBNR Reserves | $ 6 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 210,757 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 1,122 | 1,120 | 1,114 | 1,104 | 1,067 | 986 | 818 | 441 |  |
Automobile liability | Property and Casualty, Personal Insurance [Member] | 2013 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,157 | 1,153 | 1,152 | 1,153 | 1,144 | 1,145 | 1,131 |  |  |
IBNR Reserves | $ 8 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 205,475 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 1,142 | 1,135 | 1,121 | 1,091 | 1,002 | 816 | 442 |  |  |
Automobile liability | Property and Casualty, Personal Insurance [Member] | 2014 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,202 | 1,199 | 1,200 | 1,198 | 1,153 | 1,146 |  |  |  |
IBNR Reserves | $ 11 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 208,983 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 1,182 | 1,165 | 1,125 | 1,032 | 843 | 430 |  |  |  |
Automobile liability | Property and Casualty, Personal Insurance [Member] | 2015 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,331 | 1,330 | 1,338 | 1,340 | 1,195 |  |  |  |  |
IBNR Reserves | $ 21 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 216,827 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 1,292 | 1,243 | 1,142 | 935 | 475 |  |  |  |  |
Automobile liability | Property and Casualty, Personal Insurance [Member] | 2016 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,397 | 1,393 | 1,402 | 1,407 |  |  |  |  |  |
IBNR Reserves | $ 46 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 215,658 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 1,308 | 1,188 | 968 | 505 |  |  |  |  |  |
Automobile liability | Property and Casualty, Personal Insurance [Member] | 2017 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,228 | 1,275 | 1,277 |  |  |  |  |  |  |
IBNR Reserves | $ 109 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 186,993 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 1,033 | 836 | 441 |  |  |  |  |  |  |
Automobile liability | Property and Casualty, Personal Insurance [Member] | 2018 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,104 | 1,108 |  |  |  |  |  |  |  |
IBNR Reserves | $ 246 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 154,648 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 710 | 359 |  |  |  |  |  |  |  |
Automobile liability | Property and Casualty, Personal Insurance [Member] | 2019 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,018 |  |  |  |  |  |  |  |  |
IBNR Reserves | $ 461 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 131,577 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 323 |  |  |  |  |  |  |  |  |
Commercial automobile physical damage |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 206 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 194 |  |  |  |  |  |  |  |  |
Commercial automobile physical damage | 2017 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 81 | 81 | 85 |  |  |  |  |  |  |
IBNR Reserves | $ 3 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 24,325 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 78 | 79 | 74 |  |  |  |  |  |  |
Commercial automobile physical damage | 2018 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 62 | 62 |  |  |  |  |  |  |  |
IBNR Reserves | $ 1 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 20,508 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 60 | 54 |  |  |  |  |  |  |  |
Commercial automobile physical damage | 2019 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 63 |  |  |  |  |  |  |  |  |
IBNR Reserves | $ 2 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 18,626 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 56 |  |  |  |  |  |  |  |  |
Professional liability | 2012 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 225 | 219 | 220 | 221 | 218 | 238 | 238 | 242 |  |
IBNR Reserves | $ 19 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 7,025 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 175 | 172 | 168 | 154 | 139 | 100 | 67 | 17 |  |
Professional liability | 2013 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 171 | 173 | 173 | 174 | 187 | 195 | 207 |  |  |
IBNR Reserves | $ 24 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 5,970 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 137 | 131 | 116 | 88 | 67 | 44 | 10 |  |  |
Professional liability | 2014 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 182 | 179 | 177 | 181 | 183 | 187 |  |  |  |
IBNR Reserves | $ 26 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 6,705 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 135 | 130 | 107 | 74 | 38 | 7 |  |  |  |
Professional liability | 2015 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 213 | 190 | 179 | 174 | 164 |  |  |  |  |
IBNR Reserves | $ 51 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 7,171 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 124 | 107 | 85 | 40 | 9 |  |  |  |  |
Professional liability | 2016 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 196 | 203 | 176 | 183 |  |  |  |  |  |
IBNR Reserves | $ 66 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 8,288 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 111 | 88 | 51 | 8 |  |  |  |  |  |
Professional liability | 2017 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 231 | 203 | 205 |  |  |  |  |  |  |
IBNR Reserves | $ 103 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 9,224 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 87 | 48 | 11 |  |  |  |  |  |  |
Professional liability | 2018 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 280 | 247 |  |  |  |  |  |  |  |
IBNR Reserves | $ 155 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 9,517 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 73 | 15 |  |  |  |  |  |  |  |
Professional liability | 2019 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 298 |  |  |  |  |  |  |  |  |
IBNR Reserves | $ 252 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 7,396 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 21 |  |  |  |  |  |  |  |  |
Bond |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 637 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 353 |  |  |  |  |  |  |  |  |
Bond | 2010 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 72 | 73 | 92 | 72 | 71 | 75 | 81 | 82 | 76 | 72
IBNR Reserves | $ 6 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 2,674 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 64 | 69 | 67 | 67 | 65 | 60 | 60 | 60 | 46 | 14
Bond | 2011 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 72 | 71 | 71 | 71 | 71 | 76 | 78 | 78 | 74 |
IBNR Reserves | $ 9 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 2,136 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 61 | 60 | 60 | 60 | 58 | 57 | 52 | 40 | 12 |
Bond | 2012 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 48 | 45 | 49 | 49 | 55 | 61 | 70 | 71 |  |
IBNR Reserves | $ 13 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 1,723 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 35 | 34 | 26 | 26 | 24 | 26 | 25 | 12 |  |
Bond | 2013 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 35 | 39 | 49 | 48 | 55 | 58 | 64 |  |  |
IBNR Reserves | $ 15 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 1,463 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 20 | 19 | 19 | 19 | 17 | 9 | 3 |  |  |
Bond | 2014 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 59 | 59 | 67 | 66 | 67 | 71 |  |  |  |
IBNR Reserves | $ 12 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 1,383 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 45 | 43 | 43 | 40 | 31 | 18 |  |  |  |
Bond | 2015 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 54 | 60 | 63 | 67 | 67 |  |  |  |  |
IBNR Reserves | $ 19 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 1,385 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 34 | 31 | 24 | 20 | 9 |  |  |  |  |
Bond | 2016 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 56 | 61 | 61 | 61 |  |  |  |  |  |
IBNR Reserves | $ 32 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 1,324 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 20 | 15 | 12 | 2 |  |  |  |  |  |
Bond | 2017 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 101 | 90 | 63 |  |  |  |  |  |  |
IBNR Reserves | $ 42 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 1,547 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 55 | 46 | 5 |  |  |  |  |  |  |
Bond | 2018 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 68 | 68 |  |  |  |  |  |  |  |
IBNR Reserves | $ 49 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 1,383 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 16 | 6 |  |  |  |  |  |  |  |
Bond | 2019 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 72 |  |  |  |  |  |  |  |  |
IBNR Reserves | $ 68 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 1,122 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 3 |  |  |  |  |  |  |  |  |
Assumed Reinsurance [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,005 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 824 |  |  |  |  |  |  |  |  |
Assumed Reinsurance [Member] | 2012 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 121 | 119 | 120 | 115 | 88 | 93 | 99 | 107 |  |
IBNR Reserves | $ 0 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 1,424 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 119 | 118 | 118 | 112 | 85 | 83 | 77 | 38 |  |
Assumed Reinsurance [Member] | 2013 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 104 | 102 | 102 | 105 | 103 | 119 | 115 |  |  |
IBNR Reserves | $ 1 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 1,607 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 103 | 101 | 100 | 98 | 91 | 83 | 53 |  |  |
Assumed Reinsurance [Member] | 2014 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 116 | 115 | 118 | 122 | 142 | 119 |  |  |  |
IBNR Reserves | $ 1 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 1,654 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 113 | 112 | 109 | 106 | 119 | 66 |  |  |  |
Assumed Reinsurance [Member] | 2015 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 95 | 94 | 94 | 92 | 102 |  |  |  |  |
IBNR Reserves | $ 0 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 1,383 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 91 | 83 | 77 | 64 | 42 |  |  |  |  |
Assumed Reinsurance [Member] | 2016 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 100 | 98 | 91 | 88 |  |  |  |  |  |
IBNR Reserves | $ 3 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 1,434 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 90 | 84 | 66 | 36 |  |  |  |  |  |
Assumed Reinsurance [Member] | 2017 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 161 | 153 | 129 |  |  |  |  |  |  |
IBNR Reserves | $ 11 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 1,582 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 135 | 116 | 44 |  |  |  |  |  |  |
Assumed Reinsurance [Member] | 2018 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 127 | 128 |  |  |  |  |  |  |  |
IBNR Reserves | $ 1 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 1,322 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 111 | 25 |  |  |  |  |  |  |  |
Assumed Reinsurance [Member] | 2019 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 181 |  |  |  |  |  |  |  |  |
IBNR Reserves | $ 107 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 875 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 62 |  |  |  |  |  |  |  |  |
Personal automobile physical damage |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,531 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,507 |  |  |  |  |  |  |  |  |
Personal automobile physical damage | 2017 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 588 | 588 | 598 |  |  |  |  |  |  |
IBNR Reserves | $ (1) |  |  |  |  |  |  |  |  |
Claims Reported | claim | 362,235 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 589 | 591 | 574 |  |  |  |  |  |  |
Personal automobile physical damage | 2018 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 498 | 509 |  |  |  |  |  |  |  |
IBNR Reserves | $ 7 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 305,031 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 491 | 474 |  |  |  |  |  |  |  |
Personal automobile physical damage | 2019 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 445 |  |  |  |  |  |  |  |  |
IBNR Reserves | $ (11) |  |  |  |  |  |  |  |  |
Claims Reported | claim | 262,866 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 427 |  |  |  |  |  |  |  |  |
Homeowners |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 7,443 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 6,958 |  |  |  |  |  |  |  |  |
Homeowners | 2010 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 834 | 834 | 834 | 836 | 840 | 840 | 840 | 838 | 850 | 838
IBNR Reserves | $ (1) |  |  |  |  |  |  |  |  |
Claims Reported | claim | 161,597 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 835 | 834 | 833 | 833 | 832 | 829 | 825 | 815 | 789 | $ 599
Homeowners | 2011 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 907 | 907 | 908 | 911 | 914 | 916 | 919 | 920 | 955 |
IBNR Reserves | $ 0 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 179,399 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 908 | 907 | 908 | 905 | 903 | 899 | 891 | 871 | $ 709 |
Homeowners | 2012 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 738 | 738 | 738 | 739 | 741 | 741 | 741 | 774 |  |
IBNR Reserves | $ 1 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 142,845 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 736 | 735 | 734 | 731 | 727 | 719 | 696 | $ 547 |  |
Homeowners | 2013 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 629 | 630 | 632 | 634 | 637 | 638 | 673 |  |  |
IBNR Reserves | $ 1 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 113,538 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 628 | 627 | 626 | 622 | 611 | 590 | $ 467 |  |  |
Homeowners | 2014 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 698 | 698 | 700 | 702 | 707 | 710 |  |  |  |
IBNR Reserves | $ (1) |  |  |  |  |  |  |  |  |
Claims Reported | claim | 121,902 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 697 | 695 | 691 | 684 | 663 | $ 526 |  |  |  |
Homeowners | 2015 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 684 | 684 | 690 | 703 | 690 |  |  |  |  |
IBNR Reserves | $ 2 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 119,944 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 680 | 674 | 665 | 645 | $ 487 |  |  |  |  |
Homeowners | 2016 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 658 | 663 | 673 | 669 |  |  |  |  |  |
IBNR Reserves | $ 4 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 119,646 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 649 | 640 | 621 | $ 481 |  |  |  |  |  |
Homeowners | 2017 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 884 | 889 | 866 |  |  |  |  |  |  |
IBNR Reserves | $ 41 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 124,189 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 795 | 747 | $ 538 |  |  |  |  |  |  |
Homeowners | 2018 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 910 | 903 |  |  |  |  |  |  |  |
IBNR Reserves | $ 60 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 101,985 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 712 | $ 484 |  |  |  |  |  |  |  |
Homeowners | 2019 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 501 |  |  |  |  |  |  |  |  |
IBNR Reserves | $ 107 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 78,068 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 318 |  |  |  |  |  |  |  |  |

X
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- Definition Undiscounted amount, after reinsurance, of incurred claims and allocated claim adjustment expense used in claims development for short-duration insurance contracts. Excludes unallocated claim adjustment expense. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 4B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=116884468&loc=SL65671311-158438 + Details
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- Definition Cumulative number of reported claims for short-duration insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 4D -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=116884468&loc=SL65671317-158438 + Details
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