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v3.20.1

Reinsurance (Tables) | 3 Months Ended
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Mar. 31, 2020
Credit Loss [Abstract] |
Reinsurance Recoverable, Credit Quality Indicator [Table Text Block] |
Reinsurance Recoverables by Credit Quality Indicator as of March 31, 2020
| Property and Casualty | Group Benefits | Corporate | Total
A.M. Best Financial Strength Rating |  |  |  |
A++ | $ | 1,232 |  | $ | — |  | $ | — |  | $ | 1,232 |
A+ | 1,735 |  | 236 |  | 316 |  | 2,287 |
A | 519 |  | — |  | — |  | 519 |
A- | 34 |  | 10 |  | — |  | 44 |
B++ | 685 |  | — |  | 3 |  | 688 |
Below B++ | 23 |  | 1 |  | — |  | 24 |
Total Rated by A.M. Best | 4,228 |  | 247 |  | 319 |  | 4,794 |
Mandatory (Assigned) and Voluntary Risk Pools | 261 |  | — |  | — |  | 261 |
Captives | 328 |  | — |  | — |  | 328 |
Other not rated companies | 322 |  | 8 |  | — |  | 330 |
Gross Reinsurance Recoverables | 5,139 |  | 255 |  | 319 |  | 5,713 |
Allowance for uncollectible reinsurance | (114 | ) | (1 | ) | (2 | ) | (117 | )
Net Reinsurance Recoverables | $ | 5,025 |  | $ | 254 |  | $ | 317 |  | $ | 5,596 |
Reinsurance Recoverable, Allowance for Credit Loss [Table Text Block] |
Allowance for Uncollectible Reinsurance
| For the three months ended March 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 | (1 | ) | — |  | (1 | ) | (2 | )
Ending ACL | (49 | ) | (1 | ) | (2 | ) | (52 | )
Ending allowance for disputed amounts | (65 | ) | — |  | — |  | (65 | )
Ending allowance for uncollectible reinsurance | $ | (114 | ) | $ | (1 | ) | $ | (2 | ) | $ | (117 | )
[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

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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=119407570&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=119407570&loc=SL82919230-210447 + Details
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