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Supplemental Schedule of Reinsurance (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |  |  |
Direct Premiums, Life Insurance in Force | $ 1,117.0 | $ 1,990.0 | $ 1,316.0
Ceded Premiums, Life Insurance in Force | 166,842.0 | 184,625.0 | 192,864.0
Assumed Premiums, Life Insurance in Force | 3,467,054.0 | 3,480,692.0 | 3,480,206.0
Premiums, Net, Life Insurance in Force | $ 3,301,329.0 | $ 3,298,057.0 | $ 3,288,658.0
Life Insurance in Force Premiums, Percentage Assumed to Net | 105.00% | 105.50% | 105.80%
Direct Premiums Earned | $ 33.0 | $ 58.0 | $ 76.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Amount Ceded to Other Companies | 868.0 | 947.0 | 929.0
Assumed Premiums Earned | 13,348.0 | 12,583.0 | 12,150.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Net Amount | $ 12,513.0 | $ 11,694.0 | $ 11,297.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Percentage of Amount Assumed to Net | 106.70% | 107.60% | 107.50%
US Traditional Segment Reporting Information [Member] |  |  |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |  |  |
Direct Premiums Earned | $ 26.0 | $ 23.0 | $ 29.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Amount Ceded to Other Companies | 472.0 | 585.0 | 591.0
Assumed Premiums Earned | 6,690.0 | 6,399.0 | 6,291.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Net Amount | $ 6,244.0 | $ 5,837.0 | $ 5,729.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Percentage of Amount Assumed to Net | 107.10% | 109.60% | 109.80%
US Non-Traditional Segment Reporting Information [Member] |  |  |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |  |  |
Direct Premiums Earned | $ 2.0 | $ 3.0 | $ 2.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Amount Ceded to Other Companies | 0.0 | 0.0 | 0.0
Assumed Premiums Earned | 53.0 | 50.0 | 37.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Net Amount | $ 55.0 | $ 53.0 | $ 39.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Percentage of Amount Assumed to Net | 96.40% | 94.30% | 95.40%
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 | 50.0 | 54.0 | 54.0
Assumed Premiums Earned | 1,244.0 | 1,106.0 | 1,120.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Net Amount | $ 1,194.0 | $ 1,052.0 | $ 1,066.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Percentage of Amount Assumed to Net | 104.20% | 105.10% | 105.00%
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 | 83.0 | 89.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Net Amount | $ 90.0 | $ 83.0 | $ 89.0
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 | $ 5.0 | $ 32.0 | $ 45.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Amount Ceded to Other Companies | 32.0 | 24.0 | 52.0
Assumed Premiums Earned | 1,765.0 | 1,548.0 | 1,449.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Net Amount | $ 1,738.0 | $ 1,556.0 | $ 1,442.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Percentage of Amount Assumed to Net | 101.60% | 99.50% | 100.60%
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 | 202.0 | 178.0 | 148.0
Assumed Premiums Earned | 552.0 | 430.0 | 366.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Net Amount | $ 350.0 | $ 252.0 | $ 218.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Percentage of Amount Assumed to Net | 157.70% | 170.60% | 167.90%
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 | 112.0 | 106.0 | 84.0
Assumed Premiums Earned | 2,736.0 | 2,787.0 | 2,652.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Net Amount | $ 2,624.0 | $ 2,681.0 | $ 2,568.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Percentage of Amount Assumed to Net | 104.30% | 104.00% | 103.20%
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 | 180.0 | 146.0
Reinsurance Premiums for Insurance Companies, by Product Segment, Net Amount | $ 218.0 | $ 180.0 | $ 146.0
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 -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Paragraph Column D -Subsection 17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17(Column D)) -URI http://asc.fasb.org/extlink&oid=120401096&loc=d3e574992-122915 + Details
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- Definition Amount, before effect of reinsurance, of life insurance issued and outstanding, 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 -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Paragraph Column B -Subsection 17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17(Column B)) -URI http://asc.fasb.org/extlink&oid=120401096&loc=d3e574992-122915 + Details
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- Definition Amount, after effect of reinsurance, of life insurance issued and outstanding, 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 -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Paragraph Column E -Subsection 17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17(Column E)) -URI http://asc.fasb.org/extlink&oid=120401096&loc=d3e574992-122915 + Details
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- Definition Percentage of assumed life insurance contract issued and outstanding to life insurance contract issued and outstanding after effect of reinsurance, 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 -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Paragraph Column F -Subsection 17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17(Column F)) -URI http://asc.fasb.org/extlink&oid=120401096&loc=d3e574992-122915 + Details
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