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v3.20.4

Reinsurance (Tables) | 12 Months Ended
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Dec. 31, 2020
Insurance [Abstract] |
Reinsurance Recoverable, Credit Quality Indicator |
Reinsurance Recoverables by Credit Quality Indicator as of December 31, 2020
| Property and Casualty | Group Benefits | Corporate | Total
AM Best Financial Strength Rating |  |  |  |
A++ | $ | 1,598 |  | $ | — |  | $ | — |  | $ | 1,598 |
A+ | 1,788 |  | 230 |  | 305 |  | 2,323 |
A | 638 |  | — |  | — |  | 638 |
A- | 37 |  | 9 |  | — |  | 46 |
B++ | 666 |  | — |  | 3 |  | 669 |
Below B++ | 21 |  | 1 |  | — |  | 22 |
Total Rated by AM Best | 4,748 |  | 240 |  | 308 |  | 5,296 |
Mandatory (Assigned) and Voluntary Risk Pools | 259 |  | — |  | — |  | 259 |
Captives | 305 |  | — |  | — |  | 305 |
Other not rated companies | 254 |  | 5 |  | — |  | 259 |
Gross Reinsurance Recoverables | 5,566 |  | 245 |  | 308 |  | 6,119 |
Allowance for uncollectible reinsurance | (105) |  | (1) |  | (2) |  | (108) |
Net Reinsurance Recoverables | $ | 5,461 |  | $ | 244 |  | $ | 306 |  | $ | 6,011 |
Reinsurance Recoverable, Allowance for Credit Loss |
Allowance for Uncollectible Reinsurance
| For the year ended December 31, 2020
| Property and Casualty | Group Benefits | Corporate | Total
Beginning allowance for uncollectible reinsurance | $ | 114 |  | $ | — |  | $ | — |  | $ | 114 |
Beginning allowance for disputed amounts | 66 |  | — |  | — |  | 66 |
Beginning ACL | 48 |  | — |  | — |  | 48 |
Cumulative effect of accounting change [1] | — |  | 1 |  | 1 |  | 2 |
Adjusted beginning ACL | 48 |  | 1 |  | 1 |  | 50 |
Current period provision (release) | 3 |  | — |  | 1 |  | 4 |
Current period gross recoveries | 1 |  | — |  | — |  | 1 |
Ending ACL | 52 |  | 1 |  | 2 |  | 55 |
Ending allowance for disputed amounts | 53 |  | — |  | — |  | 53 |
Ending allowance for uncollectible reinsurance | $ | 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 | 2020 | 2019 | 2018 |
Direct | $ | 12,537 |  | $ | 12,190 |  | $ | 10,784 |  |
Assumed | 577 |  | 371 |  | 217 |  |
Ceded | (1,209) |  | (978) |  | (593) |  |
Net | $ | 11,905 |  | $ | 11,583 |  | $ | 10,408 |  |
Premiums Earned |  |  |  |
Direct | $ | 12,551 |  | $ | 12,010 |  | $ | 10,824 |  |
Assumed | 540 |  | 416 |  | 221 |  |
Ceded | (1,173) |  | (936) |  | (599) |  |
Net | $ | 11,918 |  | $ | 11,490 |  | $ | 10,446 |  |
Group Benefits Revenue
| For the years ended December 31,
| 2020 | 2019 | 2018
Gross earned premiums, fees and other considerations | $ | 5,245 |  | $ | 4,122 |  | $ | 3,615 |
Reinsurance assumed | 387 |  | 1,572 |  | 2,044 |
Reinsurance ceded | (96) |  | (91) |  | (61) |
Net earned premiums, fees and other considerations | $ | 5,536 |  | $ | 5,603 |  | $ | 5,598 |

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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 http://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 http://asc.fasb.org/extlink&oid=121599337&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 http://asc.fasb.org/extlink&oid=121599337&loc=SL82919230-210447 + Details
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