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Contingent liabilities and commitments (Details) - GBP (£) £ in Millions	Jun. 30, 2023	Dec. 31, 2022
Contingent liabilities and commitments
Standby facilities, credit lines and other commitments	£ 120,262	£ 121,576
Total	124,639	126,581
Guarantees
Contingent liabilities and commitments
Estimated net exposure	2,846	3,150
Other contingent liabilities
Contingent liabilities and commitments
Estimated net exposure	£ 1,531	£ 1,855

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- Definition

The amount of the estimated financial effect of contingent liabilities. [Refer: Contingent liabilities [member]]

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The amount of contingent liabilities and the amount of future expenditures that the entity is committed to make.

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- Definition

The amount of standby facilities, credit lines and other commitments.

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