Contingent liabilities and commitments (Details) - GBP (£) £ in Millions	Jun. 30, 2021	Dec. 31, 2020
Contingent liabilities and commitments
Standby facilities, credit lines and other commitments	£ 119,387	£ 124,167
Contingent liabilities and commitments	123,509	128,732
Guarantees
Contingent liabilities and commitments
Estimated net exposure	2,005	2,244
Other contingent liabilities
Contingent liabilities and commitments
Estimated net exposure	£ 2,117	£ 2,321

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

No definition available.

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- Definition

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

+ References

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- Definition

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

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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