Analysis Of Income And Expense [Abstract]
| Concept |
2023-12-31 to 2024-12-28 |
2023-12-31 to 2024-12-28 |
2023-12-31 to 2024-12-28 |
2023-12-31 to 2024-12-28 |
2023-12-31 to 2024-12-28 |
2023-12-31 to 2024-12-28 |
2023-12-31 to 2024-12-28 |
2023-01-01 to 2023-12-30 |
2023-01-01 to 2023-12-30 |
2023-01-01 to 2023-12-30 |
2023-01-01 to 2023-12-30 |
2023-01-01 to 2023-12-30 |
2023-01-01 to 2023-12-30 |
2023-01-01 to 2023-12-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||
| Revenue [abstract] | ||||||||||||||
| Revenue | — | — |
2,014,400,000
GBP
|
— | — |
–
GBP
|
2, 014.4
GBP
|
–
GBP
|
1,809,600,000
GBP
|
— | — | — |
1,809,600,000
GBP
|
— |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income |
–
GBP
|
–
GBP
|
142,400,000
GBP
|
–
GBP
|
142,400,000
GBP
|
— | — | — | — |
–
GBP
|
–
GBP
|
142,900,000
GBP
|
142,900,000
GBP
|
–
GBP
|