Analysis Of Income And Expense [Abstract]
| Concept |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||||
| Revenue [abstract] | ||||||||||||||||||
| Revenue | — |
–
GBP
|
18,011,111,000
GBP
|
— | — | — |
18,011,111,000
GBP
|
— | — | — | — |
–
GBP
|
— | — |
18,854,051,000
GBP
|
18,854,051,000
GBP
|
— | — |
| Material income and expense [abstract] | ||||||||||||||||||
| Other operating income (expense) | — |
39,824,000
GBP
|
48,152,000
GBP
|
— | — | — |
8,328,000
GBP
|
— | — | — | — |
34,222,000
GBP
|
— | — |
28,391,000
GBP
|
5,831,000
GBP
|
— | — |
| Expenses by nature [abstract] | ||||||||||||||||||
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract] | ||||||||||||||||||
| Depreciation and amortisation expense [abstract] | ||||||||||||||||||
| Amortisation expense | — |
73,835,000
GBP
|
107,527,000
GBP
|
— | — | — |
181,362,000
GBP
|
— | — | — | — |
–
GBP
|
— | — |
103,525,000
GBP
|
103,525,000
GBP
|
— | — |
| Disclosure of attribution of expenses by nature to their function [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of attribution of expenses by nature to their function [abstract] | ||||||||||||||||||
| Disclosure of attribution of expenses by nature to their function [line items] | ||||||||||||||||||
| 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 |
2,181,000
GBP
|
— | — |
41,508,000
GBP
|
–
GBP
|
–
GBP
|
43,689,000
GBP
|
41,508,000
GBP
|
–
GBP
|
— | — | — | — | — | — |
66,207,000
GBP
|
— | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||||||||
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — |
–
GBP
|
3,392,000
GBP
|
— | — | — |
3,392,000
GBP
|
— | — | — | — |
–
GBP
|
— | — |
604,000
GBP
|
604,000
GBP
|
— | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income from continuing operations | — | — | — | — | — | — |
198,202,000
GBP
|
— | — | — | — | — | — | — | — |
266,410,000
GBP
|
— | — |
| Comprehensive income from discontinued operations | — | — | — | — | — | — |
13,832,000
GBP
|
— | — | — | — | — | — | — | — |
38,008,000
GBP
|
— | — |
| Comprehensive income |
12,550,000
GBP
|
— | — |
171,820,000
GBP
|
–
GBP
|
–
GBP
|
184,370,000
GBP
|
34,366,000
GBP
|
206,186,000
GBP
|
11,732,000
GBP
|
33,476,000
GBP
|
— |
326,162,000
GBP
|
292,686,000
GBP
|
— |
304,418,000
GBP
|
–
GBP
|
–
GBP
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — |
171,820,000
GBP
|
— | — | — | — | — | — | — | — |
292,686,000
GBP
|
— | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — |
12,550,000
GBP
|
— | — | — | — | — | — | — | — |
11,732,000
GBP
|
— | — |