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Contingencies, Commitments and Guarantees (Commitments and Guarantees - Narrative) (Details) - USD ($) $ in Millions | Mar. 31, 2024 | Dec. 31, 2023
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Contingencies, Commitments and Guarantees [Abstract] |  |
Cumulative maximum indemnities and guarantees contractual limitation | $ 636 |
Liabilities for indemnities, guarantees and commitments | 19 | $ 19
Minimum |  |
Contingencies, Commitments and Guarantees [Abstract] |  |
Indemnities and guarantees contractual limitation range | 1 |
Maximum |  |
Contingencies, Commitments and Guarantees [Abstract] |  |
Indemnities and guarantees contractual limitation range | 329 |
Mortgage Loan Commitments |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Liability | 2,700 | 4,000
Commitments to Fund Partnership Investments, Bank Credit Facilities, Bridge Loans and Private Corporate Bond Investments |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Liability | $ 8,600 | $ 9,200

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482425/460-10-50-4 + Details
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- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482425/460-10-50-4 + Details
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