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Policy Claims and Benefits Policy Claims and Benefits (Schedule of Historical Claims Duration) (Details) - Life Insurance Product Line [Member] | Dec. 31, 2022
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Americas [Member] |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
Short-duration Insurance Contracts, Historical Claims Duration, Year One | 35.70%
Short-duration Insurance Contracts, Historical Claims Duration, Year Two | 44.10%
Short-duration Insurance Contracts, Historical Claims Duration, Year Three | 9.00%
Short-duration Insurance Contracts, Historical Claims Duration, Year Four | 2.70%
Short-duration Insurance Contracts, Historical Claims Duration, Year Five | 1.70%
Short-duration Insurance Contracts, Historical Claims Duration, Year Six | 1.40%
Short-duration Insurance Contracts, Historical Claims Duration, Year Seven | 1.10%
Short-duration Insurance Contracts, Historical Claims Duration, Year Eight | 1.30%
Short-duration Insurance Contracts, Historical Claims Duration, Year Nine | 1.10%
Short-duration Insurance Contracts, Historical Claims Duration, Year Ten | 0.80%
Asia Pacific [Member] |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
Short-duration Insurance Contracts, Historical Claims Duration, Year One | 14.80%
Short-duration Insurance Contracts, Historical Claims Duration, Year Two | 27.10%
Short-duration Insurance Contracts, Historical Claims Duration, Year Three | 16.60%
Short-duration Insurance Contracts, Historical Claims Duration, Year Four | 11.10%
Short-duration Insurance Contracts, Historical Claims Duration, Year Five | 7.60%
Short-duration Insurance Contracts, Historical Claims Duration, Year Six | 5.40%
Short-duration Insurance Contracts, Historical Claims Duration, Year Seven | 3.70%
Short-duration Insurance Contracts, Historical Claims Duration, Year Eight | 2.50%
Short-duration Insurance Contracts, Historical Claims Duration, Year Nine | 2.00%
Short-duration Insurance Contracts, Historical Claims Duration, Year Ten | 1.70%

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- Definition Percentage of average annual payout, after reinsurance, in the eighth year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 4G -URI https://asc.fasb.org/extlink&oid=116884468&loc=SL65671329-158438 + Details
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- Definition Percentage of average annual payout, after reinsurance, in the first year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 4G -URI https://asc.fasb.org/extlink&oid=116884468&loc=SL65671329-158438 + Details
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