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Future Policy Benefits (Details) (Narrative) - Americas [Member] - Other Segments - USD ($) $ in Millions | Jun. 30, 2024 | Jun. 30, 2023
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Life Insurance Product Line [Member] |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Changes In Cash Flow Assumptions | $ 0 | $ 0
Liability for Future Policy Benefit, after Reinsurance | 9,165 | 9,385
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance | (741) | (407)
Insurance, Other |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Changes In Cash Flow Assumptions | 0 | 0
Liability for Future Policy Benefit, after Reinsurance | 6,388 | 3,885
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance | $ (849) | $ 0

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- Definition Amount, after effect of reinsurance, of liability for future policy benefit. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480081/944-40-50-6 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 29E -Publisher FASB -URI https://asc.fasb.org/1943274/2147480046/944-40-55-29E Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 65 -Paragraph 2 -Subparagraph (g)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480016/944-40-65-2 + Details
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