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Derivatives and Hedging Activities - Credit Derivatives Sold and Held (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Credit Derivatives [Line Items] |  |
Notional Amount | $ 4 | $ 1
Payment / Performance Risk | 0.00% | 0.00%
Other |  |
Credit Derivatives [Line Items] |  |
Notional Amount | $ 4 | $ 1
Average Term (Years) | 10 years 8 months 8 days | 15 years 2 months 1 day
Payment / Performance Risk | 4.86% | 5.10%

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- Definition Credit derivative payment performance risk percentage. + References No definition available. + Details
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- Definition Average period covered by credit risk derivative contracts, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 4K -Subparagraph (a)(1) -SubTopic 10 -Topic 815 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4K + Details
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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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