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Fair Value of Financial Instruments - Narrative (Details) - USD ($) | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Fair Value, Option, Quantitative Disclosures [Line Items] |  |
Assets | $ 282,327,000,000 | $ 269,878,000,000
Liabilities | 19,980,000,000 | 16,962,000,000
Fair Value, Nonrecurring |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |
Assets | 0 | 0
Liabilities | 0 | 0
Commercial |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |
Loans with fair value option in non-accrual | 0 | 0
Loans with fair value option, 90 days past due and still accruing | $ 0 | $ 0

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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