Transfers of financial assets - Narrative (Details) - Securitisations - Finance lease receivables £ in Millions	Dec. 31, 2024 GBP (£)
TRANSFERS OF FINANCIAL ASSETS (Details) - Schedule of Transfered Assets and Liabilities [Line Items]
Original assets before transfer	£ 1,250
Assets that entity continues to recognise to extent of continuing involvement	798
Associated liabilities that entity continues to recognise to extent of continuing involvement	£ 798

The amount of transferred financial assets that the entity continues to recognise to the extent of its continuing involvement. [Refer: Financial assets]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2024-01-01
-Paragraph 42D
-Subparagraph f
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_42D_f&doctype=Standard
-URIDate 2024-03-27

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of liabilities associated with transferred financial assets that the entity continues to recognise to the extent of its continuing involvement. [Refer: Financial assets]

+ References

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of the original assets before transfer for transferred assets that the entity continues to recognise to the extent of its continuing involvement.

+ References

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
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- Details

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Namespace Prefix:
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- Details

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