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v3.19.1

Reinsurance and Indemnification - Industry pools and facilities (Details) | 6 Months Ended | 12 Months Ended | 24 Months Ended
--- | --- | --- | ---
Jun. 30, 2018 USD ($) | May 31, 2019 USD ($) hurricane | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) | Jun. 30, 2021 USD ($) | Jun. 30, 2019 USD ($)
Reinsurance Retention Policy [Line Items] |  |  |  |  |  |  |
Reinsurance and indemnification recoverables, net |  |  | $ 9,565,000,000 | $ 8,921,000,000 |  |  |
Cash and invested assets |  |  | 112,249,000,000 | 112,422,000,000 |  |  |
Accumulated deficit | $ (2,920,000,000) |  | (44,033,000,000) | (41,579,000,000) |  |  |
Retained earnings accumulated deficit decrease | 47,240,000,000 |  |  |  |  |  |
Ceded premium earned |  |  | 1,306,000,000 | 1,274,000,000 | $ 1,296,000,000 |  |
Michigan Catastrophic Claim Association |  |  |  |  |  |  |
Reinsurance Retention Policy [Line Items] |  |  |  |  |  |  |
Reinsurance and indemnification recoverables, net |  |  | $ 5,400,000,000 | 5,260,000,000 |  |  |
Reinsurance increase, percentage |  |  | 6.00% |  |  |  |
Program funding, per vehicle annual assessment |  |  | $ 192 |  |  |  |
Cash and invested assets | $ 20,540,000,000 |  |  |  |  |  |
National Flood Insurance Program |  |  |  |  |  |  |
Reinsurance Retention Policy [Line Items] |  |  |  |  |  |  |
Reinsurance and indemnification recoverables, net |  |  | 31,000,000 | 88,000,000 |  |  |
Ceded premium earned |  |  | 258,000,000 | 263,000,000 | 274,000,000 |  |
Ceded losses incurred |  |  | 118,000,000 | 1,120,000,000 | 537,000,000 |  |
New Jersey Unsatisfied Claim and Judgment Fund |  |  |  |  |  |  |
Reinsurance Retention Policy [Line Items] |  |  |  |  |  |  |
Reinsurance and indemnification recoverables, net |  |  | 461,000,000 | 493,000,000 |  |  |
Minimum medical benefits portion of personal injury protection coverage for reimbursement to insurers for policies issued or renewed prior to January 1, 1991 |  |  | 75,000 |  |  |  |
Minimum medical benefits portion of personal injury protection coverage for reimbursement to insurers for policies issued or renewed from January 1, 1991 to December 31, 2004 |  |  | 75,000 |  |  |  |
Maximum reimbursement to insurers for medical benefits paid under personal injury protection coverage. |  |  | 250,000 |  |  |  |
Reinsurance, administration assessments paid |  |  | 8,900,000 |  |  |  |
Florida Hurricane Catastrophe Fund |  |  |  |  |  |  |
Reinsurance Retention Policy [Line Items] |  |  |  |  |  |  |
Reinsurance and indemnification recoverables, net |  |  | 104,000,000 | 19,000,000 |  |  |
Ceded premium earned |  |  | 10,000,000 | 11,000,000 | 12,000,000 |  |
Ceded losses incurred |  |  | $ 143,000,000 | $ 19,000,000 | 0 |  |
Scenario, Forecast | Michigan Catastrophic Claim Association |  |  |  |  |  |  |
Reinsurance Retention Policy [Line Items] |  |  |  |  |  |  |
Retention level per claim |  |  |  |  |  | $ 580,000 | $ 555,000
Term of catastrophe reinsurance agreement contract |  |  |  |  |  | 2 years | 2 years
Scenario, Forecast | Florida Hurricane Catastrophe Fund |  |  |  |  |  |  |
Reinsurance Retention Policy [Line Items] |  |  |  |  |  |  |
Percent of losses in excess of retention level to be reimbursed |  | 90.00% |  |  |  |  |
Retention level for losses related to 2 largest hurricanes |  | $ 54,000,000 |  |  |  |  |
Number of storms | hurricane |  | 2 |  |  |  |  |
Retention level for losses related to other hurricanes |  | $ 18,000,000 |  |  |  |  |
Maximum Retention level for losses related to hurricanes |  | $ 172,000,000 |  |  |  |  |
Florida Hurricane Catastrophe Fund |  |  |  |  |  |  |
Reinsurance Retention Policy [Line Items] |  |  |  |  |  |  |
Emergency assessment maximum percentage of premiums first year |  |  | 6.00% |  |  |  |
Emergency assessment maximum percentage of premiums subsequent years |  |  | 10.00% |  |  |  |
Emergency assessment maximum percentage of premiums subsequent years, FL OIR |  |  | 0.00% |  |  |  |
Emergency assessment, bonds issued |  |  |  |  | $ 2,000,000,000 |  |

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- Definition The maximum emergency assessment as a premium of all eligible property and casualty premiums in the state, for the payment of bonds issued to provide reimbursements for losses related to mandatory coverage, in the first year that such bonding is required. + References No definition available. + Details
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- Definition The maximum emergency assessment as a premium of all eligible property and casualty premiums in the state, for the payment of bonds issued to provide reimbursements for losses related to mandatory coverage, in the second and subsequent years that such bonding is required. + References No definition available. + Details
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- Definition Represents the minimum medical benefits portion of personal injury protection coverage for reimbursement to insurers for policies issued or renewed from January 1, 1991 to December 31, 2004. + References No definition available. + Details
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