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v3.23.1

Contingencies, Commitments and Guarantees (Contingencies, Commitments and Guarantees - Narrative) (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022
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Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Cumulative maximum indemnities and guarantees contractual limitation | $ 98 |
Liabilities for indemnities, guarantees and commitments | 1 | $ 1
Minimum |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Indemnities And Guarantees Contractual Limitation Range | 1 |
Minimum | Non-litigation loss |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Loss Contingency, Range of Possible Loss, Portion Not Accrued | 0 |
Maximum |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Loss Contingency, Range of Possible Loss, Portion Not Accrued | 10 |
Indemnities And Guarantees Contractual Limitation Range | 92 |
Maximum | Non-litigation loss |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Loss Contingency, Range of Possible Loss, Portion Not Accrued | 125 |
Mortgage Loan Commitments |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Liability | 318 | 247
Commitments to Fund Partnership Investments 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 | $ 1,600 | $ 1,900

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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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