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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, 2018 USD ($) claim | Dec. 31, 2017 USD ($) | 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 ($) | Dec. 31, 2009 USD ($)
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Workers’ compensation |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 18,685 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 10,965 |  |  |  |  |  |  |  |  |
Workers’ compensation | 2009 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,534 | $ 1,522 | $ 1,529 | $ 1,519 | $ 1,504 | $ 1,504 | $ 1,493 | $ 1,478 | $ 1,455 | $ 1,462
IBNR Reserves | $ 168 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 135,804 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 1,263 | 1,242 | 1,208 | 1,170 | 1,115 | 1,042 | 937 | 792 | 587 | 265
Workers’ compensation | 2010 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,892 | 1,878 | 1,881 | 1,882 | 1,857 | 1,858 | 1,814 | 1,775 | 1,560 |
IBNR Reserves | $ 236 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 156,747 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 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 | 2,242 | 2,232 | 2,224 | 2,221 | 2,206 | 2,204 | 2,099 | 2,013 |  |
IBNR Reserves | $ 342 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 177,819 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 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 | 2,154 | 2,169 | 2,168 | 2,181 | 2,207 | 2,207 | 2,185 |  |  |
IBNR Reserves | $ 385 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 171,219 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 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 | 1,861 | 1,861 | 1,883 | 1,920 | 1,981 | 2,020 |  |  |  |
IBNR Reserves | $ 451 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 151,153 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 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 | 1,713 | 1,761 | 1,789 | 1,838 | 1,869 |  |  |  |  |
IBNR Reserves | $ 532 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 125,840 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 1,041 | 960 | 811 | 598 | 275 |  |  |  |  |
Workers’ compensation | 2015 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,724 | 1,801 | 1,835 | 1,873 |  |  |  |  |  |
IBNR Reserves | $ 613 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 113,493 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 909 | 778 | 576 | 261 |  |  |  |  |  |
Workers’ compensation | 2016 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,780 | 1,772 | 1,772 |  |  |  |  |  |  |
IBNR Reserves | $ 787 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 111,190 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 779 | 579 | 255 |  |  |  |  |  |  |
Workers’ compensation | 2017 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,869 | 1,862 |  |  |  |  |  |  |  |
IBNR Reserves | $ 1,061 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 109,982 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 575 | 261 |  |  |  |  |  |  |  |
Workers’ compensation | 2018 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,916 |  |  |  |  |  |  |  |  |
IBNR Reserves | $ 1,363 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 109,842 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 283 |  |  |  |  |  |  |  |  |
General liability |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 3,605 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,840 |  |  |  |  |  |  |  |  |
General liability | 2009 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 351 | 341 | 346 | 347 | 348 | 359 | 382 | 394 | 398 | 382
IBNR Reserves | $ 39 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 20,714 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 304 | 297 | 287 | 277 | 256 | 227 | 181 | 124 | 63 | 22
General liability | 2010 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 393 | 377 | 376 | 345 | 343 | 355 | 352 | 362 | 355 |
IBNR Reserves | $ 46 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 18,949 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 337 | 331 | 314 | 259 | 224 | 181 | 115 | 51 | 14 |
General liability | 2011 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 326 | 318 | 320 | 315 | 316 | 323 | 343 | 353 |  |
IBNR Reserves | $ 52 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 16,854 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 264 | 252 | 234 | 198 | 154 | 93 | 47 | 11 |  |
General liability | 2012 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 304 | 298 | 304 | 295 | 310 | 315 | 321 |  |  |
IBNR Reserves | $ 69 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 11,761 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 215 | 198 | 167 | 124 | 75 | 39 | 8 |  |  |
General liability | 2013 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 352 | 344 | 352 | 332 | 321 | 318 |  |  |  |
IBNR Reserves | $ 80 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 9,906 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 242 | 207 | 152 | 95 | 35 | 7 |  |  |  |
General liability | 2014 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 351 | 342 | 336 | 318 | 317 |  |  |  |  |
IBNR Reserves | $ 112 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 10,358 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 195 | 142 | 88 | 31 | 11 |  |  |  |  |
General liability | 2015 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 364 | 345 | 346 | 316 |  |  |  |  |  |
IBNR Reserves | $ 164 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 10,805 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 139 | 80 | 32 | 7 |  |  |  |  |  |
General liability | 2016 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 380 | 351 | 352 |  |  |  |  |  |  |
IBNR Reserves | $ 241 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 11,960 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 79 | 32 | 8 |  |  |  |  |  |  |
General liability | 2017 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 385 | 363 |  |  |  |  |  |  |  |
IBNR Reserves | $ 289 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 10,965 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 48 | 12 |  |  |  |  |  |  |  |
General liability | 2018 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 399 |  |  |  |  |  |  |  |  |
IBNR Reserves | $ 352 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 10,023 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 17 |  |  |  |  |  |  |  |  |
Package business |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 6,600 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 5,128 |  |  |  |  |  |  |  |  |
Package business | 2009 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 569 | 574 | 576 | 576 | 577 | 578 | 572 | 584 | 584 | 587
IBNR Reserves | $ 15 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 50,413 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 551 | 550 | 547 | 539 | 527 | 503 | 463 | 411 | 351 | 227
Package business | 2010 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 649 | 651 | 653 | 651 | 652 | 652 | 654 | 662 | 657 |
IBNR Reserves | $ 19 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 52,410 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 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 | 812 | 813 | 814 | 808 | 800 | 790 | 792 | 810 |  |
IBNR Reserves | $ 31 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 60,967 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 772 | 762 | 748 | 727 | 684 | 621 | 555 | 377 |  |
Package business | 2012 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 739 | 735 | 736 | 731 | 728 | 725 | 736 |  |  |
IBNR Reserves | $ 39 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 59,715 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 687 | 673 | 652 | 616 | 560 | 486 | 286 |  |  |
Package business | 2013 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 592 | 586 | 585 | 573 | 565 | 579 |  |  |  |
IBNR Reserves | $ 46 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 43,415 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 522 | 504 | 467 | 414 | 339 | 225 |  |  |  |
Package business | 2014 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 603 | 602 | 601 | 578 | 566 |  |  |  |  |
IBNR Reserves | $ 70 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 42,928 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 507 | 468 | 416 | 345 | 226 |  |  |  |  |
Package business | 2015 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 583 | 585 | 588 | 582 |  |  |  |  |  |
IBNR Reserves | $ 94 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 41,678 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 445 | 383 | 332 | 212 |  |  |  |  |  |
Package business | 2016 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 632 | 638 | 655 |  |  |  |  |  |  |
IBNR Reserves | $ 170 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 43,129 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 410 | 353 | 225 |  |  |  |  |  |  |
Package business | 2017 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 702 | 695 |  |  |  |  |  |  |  |
IBNR Reserves | $ 257 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 44,709 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 372 | 235 |  |  |  |  |  |  |  |
Package business | 2018 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 719 |  |  |  |  |  |  |  |  |
IBNR Reserves | $ 335 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 38,034 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 237 |  |  |  |  |  |  |  |  |
Property | Property and Casualty, Commercial Insurance Product Line [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 3,124 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 2,763 |  |  |  |  |  |  |  |  |
Property | Property and Casualty, Commercial Insurance Product Line [Member] | 2009 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 258 | 257 | 257 | 257 | 257 | 251 | 258 | 259 | 264 | 267
IBNR Reserves | $ 0 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 28,286 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 257 | 257 | 257 | 257 | 257 | 256 | 256 | 252 | 247 | 179
Property | Property and Casualty, Commercial Insurance Product Line [Member] | 2010 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 284 | 284 | 284 | 284 | 284 | 282 | 279 | 283 | 286 |
IBNR Reserves | $ 0 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 28,515 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 284 | 284 | 284 | 284 | 283 | 281 | 276 | 266 | 198 |
Property | Property and Casualty, Commercial Insurance Product Line [Member] | 2011 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 359 | 359 | 360 | 361 | 362 | 356 | 356 | 357 |  |
IBNR Reserves | $ 0 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 29,110 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 360 | 360 | 359 | 358 | 355 | 350 | 332 | 231 |  |
Property | Property and Casualty, Commercial Insurance Product Line [Member] | 2012 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 305 | 305 | 306 | 305 | 301 | 301 | 329 |  |  |
IBNR Reserves | $ 1 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 25,789 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 303 | 303 | 304 | 300 | 294 | 279 | 171 |  |  |
Property | Property and Casualty, Commercial Insurance Product Line [Member] | 2013 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 215 | 216 | 220 | 219 | 218 | 234 |  |  |  |
IBNR Reserves | $ 0 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 20,289 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 215 | 215 | 218 | 216 | 208 | 157 |  |  |  |
Property | Property and Casualty, Commercial Insurance Product Line [Member] | 2014 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 263 | 264 | 262 | 260 | 268 |  |  |  |  |
IBNR Reserves | $ 0 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 19,758 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 262 | 264 | 258 | 243 | 168 |  |  |  |  |
Property | Property and Casualty, Commercial Insurance Product Line [Member] | 2015 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 270 | 268 | 264 | 264 |  |  |  |  |  |
IBNR Reserves | $ 0 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 19,061 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 265 | 255 | 239 | 172 |  |  |  |  |  |
Property | Property and Casualty, Commercial Insurance Product Line [Member] | 2016 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 327 | 331 | 328 |  |  |  |  |  |  |
IBNR Reserves | $ 5 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 19,945 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 310 | 285 | 188 |  |  |  |  |  |  |
Property | Property and Casualty, Commercial Insurance Product Line [Member] | 2017 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 440 | 515 |  |  |  |  |  |  |  |
IBNR Reserves | $ 62 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 20,703 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 334 | 210 |  |  |  |  |  |  |  |
Property | Property and Casualty, Commercial Insurance Product Line [Member] | 2018 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 403 |  |  |  |  |  |  |  |  |
IBNR Reserves | $ 86 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 17,839 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 173 |  |  |  |  |  |  |  |  |
Automobile liability | Property and Casualty, Commercial Insurance Product Line [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 3,442 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 2,604 |  |  |  |  |  |  |  |  |
Automobile liability | Property and Casualty, Commercial Insurance Product Line [Member] | 2009 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 302 | 302 | 302 | 302 | 301 | 297 | 287 | 287 | 292 | 306
IBNR Reserves | $ 0 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 38,703 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 301 | 301 | 300 | 298 | 291 | 274 | 237 | 175 | 115 | 56
Automobile liability | Property and Casualty, Commercial Insurance Product Line [Member] | 2010 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 322 | 324 | 327 | 328 | 323 | 319 | 296 | 280 | 277 |
IBNR Reserves | $ 4 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 38,153 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 316 | 313 | 308 | 300 | 289 | 252 | 188 | 125 | 55 |
Automobile liability | Property and Casualty, Commercial Insurance Product Line [Member] | 2011 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 362 | 362 | 365 | 366 | 356 | 356 | 310 | 272 |  |
IBNR Reserves | $ 4 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 39,293 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 352 | 348 | 339 | 315 | 273 | 211 | 133 | 62 |  |
Automobile liability | Property and Casualty, Commercial Insurance Product Line [Member] | 2012 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 387 | 390 | 394 | 401 | 390 | 376 | 311 |  |  |
IBNR Reserves | $ 6 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 35,999 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 371 | 358 | 345 | 306 | 233 | 142 | 65 |  |  |
Automobile liability | Property and Casualty, Commercial Insurance Product Line [Member] | 2013 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 333 | 335 | 336 | 329 | 314 | 309 |  |  |  |
IBNR Reserves | $ 18 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 31,918 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 306 | 289 | 255 | 199 | 128 | 61 |  |  |  |
Automobile liability | Property and Casualty, Commercial Insurance Product Line [Member] | 2014 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 337 | 333 | 328 | 314 | 306 |  |  |  |  |
IBNR Reserves | $ 23 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 29,260 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 295 | 249 | 195 | 129 | 58 |  |  |  |  |
Automobile liability | Property and Casualty, Commercial Insurance Product Line [Member] | 2015 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 351 | 368 | 353 | 302 |  |  |  |  |  |
IBNR Reserves | $ 43 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 28,079 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 264 | 204 | 141 | 61 |  |  |  |  |  |
Automobile liability | Property and Casualty, Commercial Insurance Product Line [Member] | 2016 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 376 | 380 | 372 |  |  |  |  |  |  |
IBNR Reserves | $ 90 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 28,154 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 222 | 140 | 62 |  |  |  |  |  |  |
Automobile liability | Property and Casualty, Commercial Insurance Product Line [Member] | 2017 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 358 | 346 |  |  |  |  |  |  |  |
IBNR Reserves | $ 165 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 24,587 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 123 | 55 |  |  |  |  |  |  |  |
Automobile liability | Property and Casualty, Commercial Insurance Product Line [Member] | 2018 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 314 |  |  |  |  |  |  |  |  |
IBNR Reserves | $ 205 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 20,675 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 54 |  |  |  |  |  |  |  |  |
Automobile liability | Property and Casualty, Personal Insurance Product Line [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 12,262 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 10,703 |  |  |  |  |  |  |  |  |
Automobile liability | Property and Casualty, Personal Insurance Product Line [Member] | 2009 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,257 | 1,257 | 1,257 | 1,259 | 1,260 | 1,256 | 1,255 | 1,280 | 1,305 | 1,351
IBNR Reserves | $ 3 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 254,555 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 1,251 | 1,251 | 1,250 | 1,246 | 1,240 | 1,223 | 1,171 | 1,083 | 888 | 492
Automobile liability | Property and Casualty, Personal Insurance Product Line [Member] | 2010 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,264 | 1,265 | 1,265 | 1,275 | 1,282 | 1,287 | 1,293 | 1,321 | 1,346 |
IBNR Reserves | $ 3 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 248,944 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 1,260 | 1,258 | 1,256 | 1,251 | 1,239 | 1,202 | 1,108 | 915 | 496 |
Automobile liability | Property and Casualty, Personal Insurance Product Line [Member] | 2011 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,153 | 1,154 | 1,154 | 1,166 | 1,173 | 1,180 | 1,170 | 1,181 |  |
IBNR Reserves | $ 5 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 221,886 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 1,146 | 1,145 | 1,140 | 1,126 | 1,088 | 1,006 | 826 | 447 |  |
Automobile liability | Property and Casualty, Personal Insurance Product Line [Member] | 2012 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,130 | 1,130 | 1,133 | 1,142 | 1,146 | 1,149 | 1,141 |  |  |
IBNR Reserves | $ 7 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 210,750 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 1,120 | 1,114 | 1,104 | 1,067 | 986 | 818 | 441 |  |  |
Automobile liability | Property and Casualty, Personal Insurance Product Line [Member] | 2013 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,153 | 1,152 | 1,153 | 1,144 | 1,145 | 1,131 |  |  |  |
IBNR Reserves | $ 8 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 205,462 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 1,135 | 1,121 | 1,091 | 1,002 | 816 | 442 |  |  |  |
Automobile liability | Property and Casualty, Personal Insurance Product Line [Member] | 2014 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,199 | 1,200 | 1,198 | 1,153 | 1,146 |  |  |  |  |
IBNR Reserves | $ 15 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 208,942 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 1,165 | 1,125 | 1,032 | 843 | 430 |  |  |  |  |
Automobile liability | Property and Casualty, Personal Insurance Product Line [Member] | 2015 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,330 | 1,338 | 1,340 | 1,195 |  |  |  |  |  |
IBNR Reserves | $ 38 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 216,707 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 1,243 | 1,142 | 935 | 475 |  |  |  |  |  |
Automobile liability | Property and Casualty, Personal Insurance Product Line [Member] | 2016 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,393 | 1,402 | 1,407 |  |  |  |  |  |  |
IBNR Reserves | $ 103 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 215,126 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 1,188 | 968 | 505 |  |  |  |  |  |  |
Automobile liability | Property and Casualty, Personal Insurance Product Line [Member] | 2017 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,275 | 1,277 |  |  |  |  |  |  |  |
IBNR Reserves | $ 276 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 185,716 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 836 | 441 |  |  |  |  |  |  |  |
Automobile liability | Property and Casualty, Personal Insurance Product Line [Member] | 2018 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,108 |  |  |  |  |  |  |  |  |
IBNR Reserves | $ 510 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 146,845 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 359 |  |  |  |  |  |  |  |  |
Commercial automobile physical damage |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 221 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 210 |  |  |  |  |  |  |  |  |
Commercial automobile physical damage | 2016 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 78 | 78 | 79 |  |  |  |  |  |  |
IBNR Reserves | $ 0 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 26,367 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 77 | 78 | 71 |  |  |  |  |  |  |
Commercial automobile physical damage | 2017 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 81 | 85 |  |  |  |  |  |  |  |
IBNR Reserves | $ 3 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 24,275 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 79 | 74 |  |  |  |  |  |  |  |
Commercial automobile physical damage | 2018 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 62 |  |  |  |  |  |  |  |  |
IBNR Reserves | $ 2 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 19,167 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 54 |  |  |  |  |  |  |  |  |
Professional liability |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,491 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 973 |  |  |  |  |  |  |  |  |
Professional liability | 2009 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 259 | 257 | 257 | 255 | 263 | 257 | 266 | 244 | 251 | 254
IBNR Reserves | $ 20 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 5,115 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 238 | 235 | 226 | 225 | 226 | 194 | 177 | 127 | 69 | 17
Professional liability | 2010 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 192 | 199 | 195 | 200 | 201 | 205 | 212 | 211 | 202 |
IBNR Reserves | $ 22 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 4,894 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 169 | 166 | 162 | 157 | 148 | 137 | 103 | 62 | 22 |
Professional liability | 2011 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 215 | 220 | 219 | 219 | 226 | 232 | 228 | 226 |  |
IBNR Reserves | $ 38 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 4,708 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 176 | 173 | 170 | 163 | 128 | 100 | 57 | 11 |  |
Professional liability | 2012 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 139 | 144 | 146 | 149 | 168 | 172 | 174 |  |  |
IBNR Reserves | $ 18 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 3,734 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 109 | 107 | 97 | 89 | 60 | 41 | 11 |  |  |
Professional liability | 2013 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 99 | 103 | 110 | 123 | 136 | 136 |  |  |  |
IBNR Reserves | $ 27 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 2,791 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 66 | 55 | 39 | 31 | 19 | 4 |  |  |  |
Professional liability | 2014 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 109 | 114 | 118 | 123 | 116 |  |  |  |  |
IBNR Reserves | $ 33 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 2,891 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 72 | 64 | 40 | 21 | 4 |  |  |  |  |
Professional liability | 2015 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 114 | 113 | 113 | 104 |  |  |  |  |  |
IBNR Reserves | $ 32 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 2,957 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 63 | 49 | 23 | 4 |  |  |  |  |  |
Professional liability | 2016 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 125 | 106 | 106 |  |  |  |  |  |  |
IBNR Reserves | $ 71 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 3,133 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 46 | 25 | 4 |  |  |  |  |  |  |
Professional liability | 2017 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 113 | 107 |  |  |  |  |  |  |  |
IBNR Reserves | $ 75 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 3,111 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 26 | 6 |  |  |  |  |  |  |  |
Professional liability | 2018 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 126 |  |  |  |  |  |  |  |  |
IBNR Reserves | $ 107 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 2,971 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 8 |  |  |  |  |  |  |  |  |
Bond |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 598 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 356 |  |  |  |  |  |  |  |  |
Bond | 2009 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 49 | 49 | 49 | 49 | 51 | 57 | 58 | 69 | 71 | 71
IBNR Reserves | $ 5 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 3,321 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 43 | 44 | 44 | 44 | 43 | 44 | 46 | 45 | 32 | 9
Bond | 2010 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 71 | 90 | 70 | 69 | 73 | 79 | 80 | 75 | 71 |
IBNR Reserves | $ 3 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 2,674 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 67 | 66 | 66 | 63 | 59 | 58 | 59 | 46 | 13 |
Bond | 2011 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 69 | 69 | 70 | 70 | 75 | 76 | 76 | 72 |  |
IBNR Reserves | $ 9 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 2,134 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 59 | 59 | 59 | 57 | 56 | 51 | 39 | 12 |  |
Bond | 2012 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 43 | 48 | 48 | 53 | 60 | 69 | 69 |  |  |
IBNR Reserves | $ 9 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 1,720 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 33 | 25 | 25 | 24 | 26 | 25 | 12 |  |  |
Bond | 2013 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 38 | 48 | 48 | 54 | 58 | 63 |  |  |  |
IBNR Reserves | $ 18 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 1,456 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 18 | 18 | 18 | 17 | 9 | 3 |  |  |  |
Bond | 2014 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 58 | 66 | 65 | 65 | 69 |  |  |  |  |
IBNR Reserves | $ 13 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 1,373 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 42 | 43 | 40 | 31 | 18 |  |  |  |  |
Bond | 2015 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 59 | 62 | 65 | 65 |  |  |  |  |  |
IBNR Reserves | $ 23 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 1,368 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 31 | 23 | 19 | 9 |  |  |  |  |  |
Bond | 2016 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 58 | 59 | 59 |  |  |  |  |  |  |
IBNR Reserves | $ 37 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 1,272 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 13 | 11 | 2 |  |  |  |  |  |  |
Bond | 2017 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 88 | 61 |  |  |  |  |  |  |  |
IBNR Reserves | $ 38 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 1,204 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 45 | 5 |  |  |  |  |  |  |  |
Bond | 2018 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 65 |  |  |  |  |  |  |  |  |
IBNR Reserves | $ 59 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 1,040 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 5 |  |  |  |  |  |  |  |  |
Personal automobile physical damage |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,752 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 1,716 |  |  |  |  |  |  |  |  |
Personal automobile physical damage | 2016 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 655 | 656 | 665 |  |  |  |  |  |  |
IBNR Reserves | $ 3 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 406,588 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 651 | 653 | 634 |  |  |  |  |  |  |
Personal automobile physical damage | 2017 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 588 | 598 |  |  |  |  |  |  |  |
IBNR Reserves | $ (3) |  |  |  |  |  |  |  |  |
Claims Reported | claim | 361,857 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 591 | 574 |  |  |  |  |  |  |  |
Personal automobile physical damage | 2018 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 509 |  |  |  |  |  |  |  |  |
IBNR Reserves | $ 3 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 288,993 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 474 |  |  |  |  |  |  |  |  |
Homeowners |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 7,714 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 7,110 |  |  |  |  |  |  |  |  |
Homeowners | 2009 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 768 | 768 | 769 | 772 | 772 | 772 | 772 | 776 | 777 | 757
IBNR Reserves | $ 0 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 149,799 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 767 | 767 | 766 | 766 | 765 | 763 | 759 | 749 | 727 | $ 559
Homeowners | 2010 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 834 | 834 | 836 | 840 | 840 | 840 | 838 | 850 | 838 |
IBNR Reserves | $ 0 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 161,590 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 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 | 908 | 911 | 914 | 916 | 919 | 920 | 955 |  |
IBNR Reserves | $ 0 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 179,389 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 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 | 739 | 741 | 741 | 741 | 774 |  |  |
IBNR Reserves | $ 1 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 142,828 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 735 | 734 | 731 | 727 | 719 | 696 | $ 547 |  |  |
Homeowners | 2013 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 630 | 632 | 634 | 637 | 638 | 673 |  |  |  |
IBNR Reserves | $ 1 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 113,518 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 627 | 626 | 622 | 611 | 590 | $ 467 |  |  |  |
Homeowners | 2014 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 698 | 700 | 702 | 707 | 710 |  |  |  |  |
IBNR Reserves | $ 1 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 121,863 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 695 | 691 | 684 | 663 | $ 526 |  |  |  |  |
Homeowners | 2015 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 684 | 690 | 703 | 690 |  |  |  |  |  |
IBNR Reserves | $ 3 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 119,888 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 674 | 665 | 645 | $ 487 |  |  |  |  |  |
Homeowners | 2016 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 663 | 673 | 669 |  |  |  |  |  |  |
IBNR Reserves | $ 7 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 119,441 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 640 | 621 | $ 481 |  |  |  |  |  |  |
Homeowners | 2017 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 889 | 866 |  |  |  |  |  |  |  |
IBNR Reserves | $ 45 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 123,426 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 747 | $ 538 |  |  |  |  |  |  |  |
Homeowners | 2018 |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Incurred Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | 903 |  |  |  |  |  |  |  |  |
IBNR Reserves | $ 89 |  |  |  |  |  |  |  |  |
Claims Reported | claim | 94,946 |  |  |  |  |  |  |  |  |
Cumulative Paid Losses & Allocated Loss Adjustment Expenses, Net of Reinsurance | $ 484 |  |  |  |  |  |  |  |  |

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