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Variable Interest Entities (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 USD ($) unit | Dec. 31, 2022 USD ($) unit
Private-label Securitizations [Line Items] |  |
Number of variable interest entities | unit | 0 | 0
Fair Value | $ 9,145 | $ 9,060
Variable Interest Entity, Not Primary Beneficiary |  |
Private-label Securitizations [Line Items] |  |
Ownership interest in investment | 5.00% |
Private Label CMOs |  |
Private-label Securitizations [Line Items] |  |
Fair Value | $ 180 | $ 191

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- Definition Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479130/326-30-45-1 + Details
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