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Commitments, Contingent Liabilities and Guarantees - Risk Rating Under the Risk Rating System (Details) - Commitments to extend credit - USD ($) $ in Millions | Jun. 30, 2026 | Dec. 31, 2025
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Line of Credit Facility |  |
Commitments | $ 114,164 | $ 84,405
Pass |  |
Line of Credit Facility |  |
Commitments | 111,746 | 82,536
Special mention |  |
Line of Credit Facility |  |
Commitments | 1,448 | 834
Substandard |  |
Line of Credit Facility |  |
Commitments | 959 | 991
Doubtful |  |
Line of Credit Facility |  |
Commitments | $ 11 | $ 44

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