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v3.21.2

Reinsurance and indemnification (Tables) | 9 Months Ended
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Sep. 30, 2021
Reinsurance Disclosures [Abstract] |
Schedule of reductions to costs and expenses due to reinsurance ceded amounts |
Effects of reinsurance ceded and indemnification programs on property and casualty premiums earned and accident and health insurance premiums and contract charges
($ in millions) |  | Three months ended September 30, |  | Nine months ended September 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Property and casualty insurance premiums earned (1) |  | $ | (442) |  |  | $ | (277) |  |  | $ | (1,488) |  |  | $ | (845) |
Accident and health insurance premiums and contract charges |  | (17) |  |  | (4) |  |  | (65) |  |  | (10) |
(1)Includes $631 million of ceded premiums related to the acquisition of National General for the nine months ended September 30, 2021.
Effects of reinsurance ceded and indemnification programs on property and casualty insurance claims and claims expense and accident and health insurance policy benefits
($ in millions) |  | Three months ended September 30, |  | Nine months ended September 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Property and casualty insurance claims and claims expense (1) |  | $ | (1,458) |  |  | $ | 128 |  |  | $ | (3,209) |  |  | $ | (213) |
Accident and health insurance policy benefits |  | (13) |  |  | (5) |  |  | (68) |  |  | (13) |
(1)Includes $1.40 billion, $531 million, $514 million and $185 million of ceded losses related to the Nationwide Catastrophe Reinsurance Program, the acquisition of National General, the Michigan Catastrophic Claims Association and National Flood Insurance Program, respectively, for the nine months ended September 30, 2021, and $195 million of ceded losses related to the Michigan Catastrophic Claims Association for the nine months ended September 30, 2020.
Schedule of reinsurance recoverable for paid and unpaid claims | Reinsurance and indemnification recoverables
Reinsurance and indemnification recoverables, net |  |
($ in millions) |  | September 30, 2021 |  |  |  | December 31, 2020 |  |
Property and casualty |  |  |  |  |  |  |  |
Paid and due from reinsurers and indemnitors |  | $ | 293 |  |  |  |  | $ | 101 |  |  |
Unpaid losses estimated (including IBNR) |  | 10,035 |  |  |  |  | 7,033 |  |  |
Total property and casualty |  | $ | 10,328 |  |  |  |  | $ | 7,134 |  |  |
Allstate Health and Benefits |  | 114 |  |  |  |  | 81 |  |  |
Total |  | $ | 10,442 |  |  |  |  | $ | 7,215 |  |  |
Rollforward of credit loss allowance for reinsurance recoverables |
Rollforward of credit loss allowance for reinsurance recoverables |  |  |  |  |  |
($ in millions) |  | Three months ended September 30, |  | Nine months ended September 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Property and casualty (1) (2) |  |  |  |  |  |  |  |
Beginning balance |  | $ | (60) |  |  | $ | (59) |  |  | $ | (59) |  |  | $ | (60) |
(Increase) decrease in the provision for credit losses |  | (6) |  |  | — |  |  | (7) |  |  | 1 |
Ending balance |  | $ | (66) |  |  | $ | (59) |  |  | $ | (66) |  |  | $ | (59) |
Allstate Health and Benefits |  |  |  |  |  |  |  |
Beginning balance |  | $ | (1) |  |  | $ | (1) |  |  | $ | (1) |  |  | $ | (1) |
Increase in the provision for credit losses |  | — |  |  | — |  |  | — |  |  | — |
Write-offs |  | — |  |  | — |  |  | — |  |  | — |
Ending balance |  | $ | (1) |  |  | $ | (1) |  |  | $ | (1) |  |  | $ | (1) |
(1)Primarily related to Run-off Property-Liability reinsurance ceded. (2)Indemnification recoverables are considered collectible based on the industry pool and facility enabling legislation.

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- Definition Tabular disclosure of allowance for credit loss on reinsurance recoverable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
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