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Supplemental Schedule of Reinsurance (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |  |  |
Direct Premiums, Life Insurance in Force | $ 924.0 | $ 1,027.0 | $ 1,117.0
Ceded Premiums, Life Insurance in Force | 69,242.0 | 151,569.0 | 166,842.0
Assumed Premiums, Life Insurance in Force | 3,704,061.0 | 3,400,735.0 | 3,467,054.0
Premiums, Net, Life Insurance in Force | $ 3,635,743.0 | $ 3,250,193.0 | $ 3,301,329.0
Life Insurance in Force Premiums, Percentage Assumed to Net | 101.90% | 104.60% | 105.00%
Direct Premiums Earned | $ 1,477.0 | $ 26.0 | $ 33.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Amount Ceded to Other Companies | 673.0 | 778.0 | 874.0
Assumed Premiums Earned | 14,281.0 | 13,830.0 | 13,354.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Net Amount | $ 15,085.0 | $ 13,078.0 | $ 12,513.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Percentage of Amount Assumed to Net | 94.70% | 105.80% | 106.70%
US Traditional Segment Reporting Information [Member] |  |  |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |  |  |
Direct Premiums Earned | $ 29.0 | $ 25.0 | $ 26.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Amount Ceded to Other Companies | 195.0 | 421.0 | 472.0
Assumed Premiums Earned | 7,189.0 | 6,986.0 | 6,690.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Net Amount | $ 7,023.0 | $ 6,590.0 | $ 6,244.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Percentage of Amount Assumed to Net | 102.40% | 106.00% | 107.10%
US Non-Traditional Segment Reporting Information [Member] |  |  |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |  |  |
Direct Premiums Earned | $ 1,448.0 | $ 1.0 | $ 2.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Amount Ceded to Other Companies | 3.0 | 0.0 | 0.0
Assumed Premiums Earned | 76.0 | 65.0 | 53.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Net Amount | $ 1,521.0 | $ 66.0 | $ 55.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Percentage of Amount Assumed to Net | 5.00% | 98.50% | 96.40%
Canada Traditional Segment Reporting Information [Member] |  |  |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |  |  |
Direct Premiums Earned | $ 0.0 | $ 0.0 | $ 0.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Amount Ceded to Other Companies | 62.0 | 71.0 | 56.0
Assumed Premiums Earned | 1,277.0 | 1,290.0 | 1,250.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Net Amount | $ 1,215.0 | $ 1,219.0 | $ 1,194.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Percentage of Amount Assumed to Net | 105.10% | 105.80% | 104.70%
Canada Non-Traditional Segment Reporting Information [Member] |  |  |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |  |  |
Direct Premiums Earned | $ 0.0 | $ 0.0 | $ 0.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Amount Ceded to Other Companies | 0.0 | 0.0 | 0.0
Assumed Premiums Earned | 90.0 | 95.0 | 90.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Net Amount | $ 90.0 | $ 95.0 | $ 90.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Percentage of Amount Assumed to Net | 100.00% | 100.00% | 100.00%
EMEA Traditional Segment Reporting Information [Member] |  |  |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |  |  |
Direct Premiums Earned | $ 0.0 | $ 0.0 | $ 5.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Amount Ceded to Other Companies | 30.0 | 32.0 | 32.0
Assumed Premiums Earned | 1,805.0 | 1,768.0 | 1,765.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Net Amount | $ 1,775.0 | $ 1,736.0 | $ 1,738.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Percentage of Amount Assumed to Net | 101.70% | 101.80% | 101.60%
EMEA Non-Traditional Segment Reporting Information [Member] |  |  |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |  |  |
Direct Premiums Earned | $ 0.0 | $ 0.0 | $ 0.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Amount Ceded to Other Companies | 246.0 | 137.0 | 202.0
Assumed Premiums Earned | 704.0 | 623.0 | 552.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Net Amount | $ 458.0 | $ 486.0 | $ 350.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Percentage of Amount Assumed to Net | 153.70% | 128.20% | 157.70%
Asia Pacific Traditional Segment Reporting Information [Member] |  |  |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |  |  |
Direct Premiums Earned | $ 0.0 | $ 0.0 | $ 0.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Amount Ceded to Other Companies | 137.0 | 117.0 | 112.0
Assumed Premiums Earned | 2,922.0 | 2,767.0 | 2,736.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Net Amount | $ 2,785.0 | $ 2,650.0 | $ 2,624.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Percentage of Amount Assumed to Net | 104.90% | 104.40% | 104.30%
Asia Pacific Non-Traditional Segment Reporting Information [Member] |  |  |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |  |  |
Direct Premiums Earned | $ 0.0 | $ 0.0 | $ 0.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Amount Ceded to Other Companies | 0.0 | 0.0 | 0.0
Assumed Premiums Earned | 218.0 | 236.0 | 218.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Net Amount | $ 218.0 | $ 236.0 | $ 218.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Percentage of Amount Assumed to Net | 100.00% | 100.00% | 100.00%

X
- Definition Amount of life insurance issued and outstanding assumed from other entity, as disclosed in supplementary reinsurance information. Includes, but is not limited to, dividend and adjustment to face value. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 17 -Paragraph Column D -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 235 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17(Column D)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480149/944-235-S99-2 + Details
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