Cash flow statement - Schedule of Analysis of Cash and Cash Equivalents as Shown in the Balance Sheet (Details) - GBP (£) £ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|---|---|
| Disclosure of cash flow statement [Abstract] | ||||
| Cash and balances at central banks | £ 56,661 | £ 62,705 | £ 78,110 | |
| Less: mandatory reserve deposits | (37) | (21) | (1,930) | |
| Bank balances at central banks other than mandatory reserve deposits | 56,624 | 62,684 | 76,180 | |
| Loans and advances to banks and reverse repurchase agreements with banks | 17,006 | 15,175 | 19,048 | |
| Less amounts with a maturity of three months or more | (13,037) | (7,043) | (6,390) | |
| Loans and advances to banks current | 3,969 | 8,132 | 12,658 | |
| Total cash and cash equivalents | 60,593 | 70,816 | 88,838 | £ 95,829 |
| Cash and cash equivalents held by entity unavailable for use by group | £ 16 | £ 23 | £ 31 |
| X | ||||||||||
- Definition The amount of bank balances held at central banks other than mandatory reserve deposits. [Refer: Mandatory reserve deposits at central banks] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The amount of cash and bank balances held at central banks. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The amount of significant cash and cash equivalent balances held by the entity that are not available for use by the group. [Refer: Cash and cash equivalents] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The amount of reserve that is kept in deposit at a central bank to fulfil regulatory reserve requirements. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Loans And Advances To Banks And Reverse Repurchase Agreements No definition available.
|
| X | ||||||||||
- Definition The amount of loans and advances the entity has made to banks, with a maturity less than 3 months No definition available.
|
| X | ||||||||||
- Definition The amount of loans and advances the entity has made to banks, with a maturity of 3 months or more No definition available.
|