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Debt securities (Tables) | 12 Months Ended
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Dec. 31, 2025
Debt Securities1 [Abstract] |
Summary of debt securities in issue | Debt securities are composed of:
|  | December 31, 2025 |  | December 31, 2024
Treasury bills chargeable at central banks ............................................................................... |  | $1,365 |  | $401
Mandatory deposits at central banks ......................................................................................... |  | 93 |  | 42
Bonds and other interest bearing securities ............................................................................ |  | 60 |  | 11
Total ................................................................................................................................................... |  | $1,518 |  | $454

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