Asset transfers - Assets pledged as collateral (Details) - GBP (£) £ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Asset transfers
Assets pledged against liabilities	£ 35,972	£ 47,395
Loans to customers and debt instruments transferred to provide collateral for issue of debt	8,156	8,965
Debt securities and other borrowings issued for which collateral is provided by transferred assets	4,132	3,512
Trading assets
Asset transfers
Assets pledged against liabilities	15,062	23,601
Loans to banks - amortised cost
Asset transfers
Assets pledged against liabilities	66	62
Loans to customers - amortised cost
Asset transfers
Assets pledged against liabilities	17,493	20,108
Other financial assets
Asset transfers
Assets pledged against liabilities	£ 3,351	£ 3,624

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

No definition available.

+ Details

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- Definition

The amount of financial assets that the entity has pledged as collateral for liabilities or contingent liabilities, including amounts that have been reclassified in accordance with paragraph 3.2.23(a) of IFRS 9. [Refer: Contingent liabilities [member]; Financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-IssueDate 2022-03-24
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- Definition

Debt securities and other borrowings issued for which collateral is provided by transferred assets

+ References

No definition available.

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- Definition

The amount of loans to customers and debt instruments transferred to provide collateral for issue of debt

+ References

No definition available.

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