Analysis Of Income And Expense [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||||||
| Revenue [abstract] | ||||||||||||||||||||
| Revenue | — | — | — | — | — | — | — | — |
2,282,252,000
GBP
|
— |
2,319,242,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Material income and expense [abstract] | ||||||||||||||||||||
| Operating expense | — | — | — | — | — | — | — | — |
2,133,626,000
GBP
|
— |
2,137,414,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Miscellaneous other comprehensive income [abstract] | ||||||||||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | ||||||||||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
33,099,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
33,099,000
GBP
|
–
GBP
|
12,210,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
12,210,000
GBP
|
–
GBP
|
–
GBP
|
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||||||
| Comprehensive income |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
33,099,000
GBP
|
126,371,000
GBP
|
–
GBP
|
–
GBP
|
93,272,000
GBP
|
–
GBP
|
137,861,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
150,040,000
GBP
|
–
GBP
|
–
GBP
|
12,210,000
GBP
|
–
GBP
|
31,000
GBP
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — | — | — |
93,272,000
GBP
|
— |
137,861,000
GBP
|
— | — | — | — | — | — | — | — | — |