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Asset transfers - Assets pledged as collateral (Details) - GBP (£) £ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Asset transfers |  |
Assets pledged against liabilities | £ 47,395 | £ 49,682
Loans to customers and debt instruments transferred to provide collateral for issue of debt | 8,965 | 11,076
Debt securities and other borrowings issued for which collateral is provided by transferred assets | 3,512 | 4,105
Trading assets |  |
Asset transfers |  |
Assets pledged against liabilities | 23,601 | 28,728
The loans and advances to banks |  |
Asset transfers |  |
Assets pledged against liabilities | 62 | 49
The loans and advances to customers |  |
Asset transfers |  |
Assets pledged against liabilities | 20,108 | 15,939
Financial assets (Other) |  |
Asset transfers |  |
Assets pledged against liabilities | £ 3,624 | £ 4,966

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- Definition 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. + References 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 -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 14 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_14_a&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition Debt securities and other borrowings issued for which collateral is provided by transferred assets + References No definition available. + Details
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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. + Details
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- Details
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