Other Financial Assets - Summary of Other Financial Assets (Detail) - GBP (£) £ in Millions |
12 Months Ended | |
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Dec. 31, 2025 |
Dec. 31, 2024 |
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| Disclosure of financial assets [line items] | ||
| At beginning of year | £ 141 | £ 143 |
| Exchange differences | (7) | 2 |
| Acquisition of investments | 5 | 9 |
| Disposal of investments | 0 | 0 |
| At end of year | 125 | 141 |
| Fair value movements – OCI [member] | ||
| Disclosure of financial assets [line items] | ||
| At beginning of year | 28 | |
| Disposal of investments | 0 | 0 |
| Fair value movements | (7) | (2) |
| At end of year | 24 | 28 |
| Fair value movements – income statement [member] | ||
| Disclosure of financial assets [line items] | ||
| Fair value movements | £ (7) | £ (11) |
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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. No definition available.
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- Definition The increase (decrease) in financial assets resulting from foreign exchange. [Refer: Financial assets] Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The increase (decrease) in financial assets resulting from other movements. [Refer: Financial assets] Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The increase in financial assets resulting from origination or purchase. [Refer: Financial assets] Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The amount of non-current financial assets that the entity does not separately disclose in the same statement or note. [Refer: Other financial assets] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Disposal of investments. No definition available.
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- Details
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- Details
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