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Unpaid Claims and Claim Expense Short Duration Contracts (Schedule of Historical Claims Duration) (Details) - Life Insurance Product Line [Member] | Dec. 31, 2023
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Americas [Member] |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
Short-duration Insurance Contracts, Historical Claims Duration, Year One | 35.80%
Short-duration Insurance Contracts, Historical Claims Duration, Year Two | 44.60%
Short-duration Insurance Contracts, Historical Claims Duration, Year Three | 8.90%
Short-duration Insurance Contracts, Historical Claims Duration, Year Four | 2.60%
Short-duration Insurance Contracts, Historical Claims Duration, Year Five | 1.60%
Short-duration Insurance Contracts, Historical Claims Duration, Year Six | 1.30%
Short-duration Insurance Contracts, Historical Claims Duration, Year Seven | 1.00%
Short-duration Insurance Contracts, Historical Claims Duration, Year Eight | 1.20%
Short-duration Insurance Contracts, Historical Claims Duration, Year Nine | 0.80%
Short-duration Insurance Contracts, Historical Claims Duration, Year Ten | 1.00%
Asia Pacific [Member] |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
Short-duration Insurance Contracts, Historical Claims Duration, Year One | 14.90%
Short-duration Insurance Contracts, Historical Claims Duration, Year Two | 27.30%
Short-duration Insurance Contracts, Historical Claims Duration, Year Three | 16.30%
Short-duration Insurance Contracts, Historical Claims Duration, Year Four | 11.50%
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 | 4.00%
Short-duration Insurance Contracts, Historical Claims Duration, Year Eight | 2.60%
Short-duration Insurance Contracts, Historical Claims Duration, Year Nine | 1.40%
Short-duration Insurance Contracts, Historical Claims Duration, Year Ten | 1.20%

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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 -Name Accounting Standards Codification -Section 50 -Paragraph 4G -SubTopic 40 -Topic 944 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-4G + Details
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- Definition Percentage of average annual payout, after reinsurance, in the fifth 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 -Name Accounting Standards Codification -Section 50 -Paragraph 4G -SubTopic 40 -Topic 944 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-4G + Details
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- Definition Percentage of average annual payout, after reinsurance, in the fourth 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 -Name Accounting Standards Codification -Section 50 -Paragraph 4G -SubTopic 40 -Topic 944 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-4G + Details
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- Definition Percentage of average annual payout, after reinsurance, in the ninth 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 -Name Accounting Standards Codification -Section 50 -Paragraph 4G -SubTopic 40 -Topic 944 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-4G + 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 -Name Accounting Standards Codification -Section 50 -Paragraph 4G -SubTopic 40 -Topic 944 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-4G + Details
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- Definition Percentage of average annual payout, after reinsurance, in the seventh 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 -Name Accounting Standards Codification -Section 50 -Paragraph 4G -SubTopic 40 -Topic 944 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-4G + Details
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