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Memorandum items - Contingent liabilities and commitments (Details) - GBP (£) £ in Millions | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Contingent liabilities and commitments |  |  |
Standby facilities, credit lines and other commitments | £ 115,441 | £ 121,576 |
Total | 119,631 | 126,581 | £ 125,367
Guarantees |  |  |
Contingent liabilities and commitments |  |  |
Estimated net exposure | 2,810 | 3,150 |
Other contingent liabilities |  |  |
Contingent liabilities and commitments |  |  |
Estimated net exposure | £ 1,380 | £ 1,855 |

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