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Debt Securities (Narrative) (Details) $ in Millions | Sep. 30, 2025 USD ($) securities | Dec. 31, 2024 USD ($) securities
--- | --- | ---
Marketable Securities [Line Items] |  |
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions | securities | 680 | 1,210
Total loans pledged to secure borrowings | $ 7,300 | $ 5,200
Debt Securities |  |
Marketable Securities [Line Items] |  |
Interest Receivable | $ 43 | $ 33

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- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479106/326-30-50-4 + Details
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