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Equity (Tables) | 12 Months Ended
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Dec. 31, 2020
Equity [Abstract] |
Statutory Accounting Practices Disclosure | U.S. Statutory Net Income
| For the years ended December 31,
| 2020 | 2019 | 2018
Group Benefits Insurance Subsidiary | $ | 310 |  | $ | 513 |  | $ | 390 |
Property and Casualty Insurance Subsidiaries | 1,598 |  | 1,391 |  | 1,114 |
Life and annuity business sold in May, 2018 | — |  | — |  | 196 |
Total | $ | 1,908 |  | $ | 1,904 |  | $ | 1,700 |
U.S. Statutory Capital
| As of December 31,
| 2020 | 2019
Group Benefits Insurance Subsidiary | $ | 2,601 |  | $ | 2,644 |
Property and Casualty Insurance Subsidiaries | 10,795 |  | 10,208 |
Total | $ | 13,396 |  | $ | 12,852 |

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- Definition Tabular disclosure of how the entity's reporting under GAAP as of the balance sheet date differs from the results based on prescribed and permitted accounting practices of the state or country of domicile in which a relevant statutory filing is made, or differences in results based on the National Association of Insurance Commissioners (NAIC) prescribed practices, or a combination thereof. Describes the accounting practices used and the related monetary effect on statutory surplus, net income, and risk-based capital. If an insurance enterprise's risk-based capital would have triggered a regulatory event had it not used a permitted practice, that fact is disclosed in the financial statements. Permitted statutory accounting practices include practices not prescribed but allowed by the domiciliary state insurance department regulatory authority. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.23(c)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 505 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6486098&loc=d3e24708-158529 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 505 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6486098&loc=d3e24790-158529 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 505 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6486098&loc=d3e24746-158529 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 505 -Section 55 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82848697&loc=d3e24959-158530 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 505 -Section 55 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82848697&loc=d3e24938-158530 + Details
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