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v3.23.1

Debt Securities (Narrative) (Details) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 USD ($) security | Dec. 31, 2022 USD ($) security
Debt Securities, Available-for-sale [Line Items] |  |
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | security | 1,763 | 1,806
Debt securities available for sale | $ 28,230 | $ 27,933
Document Fiscal Year Focus | 2023 |
Asset Pledged as Collateral |  |
Debt Securities, Available-for-sale [Line Items] |  |
Debt securities available for sale | $ 11,900 | $ 8,800

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