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v3.22.4

Reinsurance (Tables) | 12 Months Ended
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Dec. 31, 2022
Insurance [Abstract] |
Reinsurance Recoverable, Credit Quality Indicator |
Reinsurance Recoverables by Credit Quality Indicator
| As of December 31, 2022 |  | As of December 31, 2021
| Property and Casualty | Group Benefits | Corporate | Total |  | Property and Casualty | Group Benefits | Corporate | Total
AM Best Financial Strength Rating |  |  |  |  |  |  |  |  |
A++ | $ | 2,094 |  | $ | — |  | $ | — |  | $ | 2,094 |  |  | $ | 1,860 |  | $ | — |  | $ | — |  | $ | 1,860 |
A+ | 2,169 |  | 239 |  | 261 |  | 2,669 |  |  | 1,999 |  | 237 |  | 275 |  | 2,511 |
A | 763 |  | 1 |  | — |  | 764 |  |  | 713 |  | — |  | — |  | 713 |
A- | 79 |  | 6 |  | — |  | 85 |  |  | 37 |  | 9 |  | — |  | 46 |
B++ | 616 |  | — |  | 2 |  | 618 |  |  | 639 |  | — |  | 3 |  | 642 |
Below B++ | 20 |  | — |  | — |  | 20 |  |  | 20 |  | — |  | — |  | 20 |
Total Rated by AM Best | 5,741 |  | 246 |  | 263 |  | 6,250 |  |  | 5,268 |  | 246 |  | 278 |  | 5,792 |
Mandatory (Assigned) and Voluntary Risk Pools | 218 |  | — |  | — |  | 218 |  |  | 239 |  | — |  | — |  | 239 |
Captives | 319 |  | — |  | — |  | 319 |  |  | 331 |  | — |  | — |  | 331 |
Other not rated companies | 279 |  | 5 |  | — |  | 284 |  |  | 255 |  | 5 |  | — |  | 260 |
Gross Reinsurance Recoverables | 6,557 |  | 251 |  | 263 |  | 7,071 |  |  | 6,093 |  | 251 |  | 278 |  | 6,622 |
Allowance for uncollectible reinsurance | (102) |  | (1) |  | (2) |  | (105) |  |  | (96) |  | (1) |  | (2) |  | (99) |
Net Reinsurance Recoverables | $ | 6,455 |  | $ | 250 |  | $ | 261 |  | $ | 6,966 |  |  | $ | 5,997 |  | $ | 250 |  | $ | 276 |  | $ | 6,523 |
Reinsurance Recoverable, Allowance for Credit Loss |
Allowance for Uncollectible Reinsurance
| As of December 31, 2022 |  | As of December 31, 2021 |  | As of December 31, 2020
| Property and Casualty | Group Benefits | Corporate | Total |  | Property and Casualty | Group Benefits | Corporate | Total |  | Property and Casualty | Group Benefits | Corporate | Total
Beginning allowance for uncollectible reinsurance | $ | 96 |  | $ | 1 |  | $ | 2 |  | $ | 99 |  |  | $ | 105 |  | $ | 1 |  | $ | 2 |  | $ | 108 |  |  | $ | 114 |  | $ | — |  | $ | — |  | $ | 114 |
Beginning allowance for disputed amounts | 54 |  | — |  | — |  | 54 |  |  | 53 |  | — |  | — |  | 53 |  |  | 66 |  | — |  | — |  | 66 |
Beginning ACL | 42 |  | 1 |  | 2 |  | 45 |  |  | 52 |  | 1 |  | 2 |  | 55 |  |  | 48 |  | — |  | — |  | 48 |
Cumulative effect of accounting change [1] |  |  |  |  |  |  |  |  |  |  | — |  | 1 |  | 1 |  | 2 |
Adjusted beginning ACL | 42 |  | 1 |  | 2 |  | 45 |  |  | 52 |  | 1 |  | 2 |  | 55 |  |  | 48 |  | 1 |  | 1 |  | 50 |
Current period provision (release) | — |  | — |  | — |  | — |  |  | (9) |  | — |  | — |  | (9) |  |  | 3 |  | — |  | 1 |  | 4 |
Current period gross write-offs | — |  | — |  | — |  | — |  |  | (1) |  | — |  | — |  | (1) |  |  | — |  | — |  | — |  | — |
Current period gross recoveries | — |  | — |  | — |  | — |  |  | — |  | — |  | — |  | — |  |  | 1 |  | — |  | — |  | 1 |
Ending ACL | 42 |  | 1 |  | 2 |  | 45 |  |  | 42 |  | 1 |  | 2 |  | 45 |  |  | 52 |  | 1 |  | 2 |  | 55 |
Ending allowance for disputed amounts | 60 |  | — |  | — |  | 60 |  |  | 54 |  | — |  | — |  | 54 |  |  | 53 |  | — |  | — |  | 53 |
Ending allowance for uncollectible reinsurance | $ | 102 |  | $ | 1 |  | $ | 2 |  | $ | 105 |  |  | $ | 96 |  | $ | 1 |  | $ | 2 |  | $ | 99 |  |  | $ | 105 |  | $ | 1 |  | $ | 2 |  | $ | 108 |
[1]Represents the adjustment to the ACL recorded on adoption of accounting guidance for credit losses on January 1, 2020. For further information refer to Note 1 - Basis of Presentation and Significant Accounting Policies.
Property and Casualty Insurance and Group Benefits Revenue | Insurance Revenues Property and Casualty Insurance Revenue
| For the years ended December 31, |
Premiums Written | 2022 | 2021 | 2020 |
Direct | $ | 14,891 |  | $ | 13,696 |  | $ | 12,537 |  |
Assumed | 718 |  | 631 |  | 577 |  |
Ceded | (1,490) |  | (1,378) |  | (1,209) |  |
Net | $ | 14,119 |  | $ | 12,949 |  | $ | 11,905 |  |
Premiums Earned |  |  |  |
Direct | $ | 14,328 |  | $ | 13,204 |  | $ | 12,551 |  |
Assumed | 654 |  | 568 |  | 540 |  |
Ceded | (1,462) |  | (1,277) |  | (1,173) |  |
Net | $ | 13,520 |  | $ | 12,495 |  | $ | 11,918 |  |
Group Benefits Revenue
| For the years ended December 31,
| 2022 | 2021 | 2020
Gross earned premiums, fees and other considerations | $ | 5,988 |  | $ | 5,663 |  | $ | 5,245 |
Reinsurance assumed | 175 |  | 128 |  | 387 |
Reinsurance ceded | (106) |  | (104) |  | (96) |
Net earned premiums, fees and other considerations | $ | 6,057 |  | $ | 5,687 |  | $ | 5,536 |

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- Definition Tabular disclosure of the effects of reinsurance, for example, but not limited to, disclosure of direct, assumed, and ceded insurance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 + Details
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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 https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
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- Definition Tabular disclosure of credit quality indicator for 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 5 -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447 + Details
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