Analysis Of Income And Expense [Abstract]
| Concept |
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 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||||
| Revenue [abstract] | ||||||||||||||||||
| Revenue | — | — |
–
GBP
|
— |
19,858,763,000
GBP
|
19,858,763,000
GBP
|
— | — | — |
–
GBP
|
22,204,846,000
GBP
|
— | — | — | — | — | — |
22,204,846,000
GBP
|
| Material income and expense [abstract] | ||||||||||||||||||
| Other operating income (expense) | — | — |
39,309,000
GBP
|
— |
29,846,000
GBP
|
9,463,000
GBP
|
— | — | — |
32,528,000
GBP
|
38,082,000
GBP
|
— | — | — | — | — | — |
5,554,000
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 | — | — |
–
GBP
|
— |
114,075,000
GBP
|
114,075,000
GBP
|
— | — | — |
–
GBP
|
111,146,000
GBP
|
— | — | — | — | — | — |
111,146,000
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 | — | — | — | — | — |
66,207,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
43,280,000
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
|
— |
604,000
GBP
|
604,000
GBP
|
— | — | — |
–
GBP
|
692,000
GBP
|
— | — | — | — | — | — |
692,000
GBP
|
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income |
11,732,000
GBP
|
33,476,000
GBP
|
— |
292,686,000
GBP
|
— |
304,418,000
GBP
|
–
GBP
|
–
GBP
|
326,162,000
GBP
|
— | — |
243,242,000
GBP
|
336,033,000
GBP
|
92,791,000
GBP
|
14,803,000
GBP
|
–
GBP
|
–
GBP
|
258,045,000
GBP
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — |
292,686,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
243,242,000
GBP
|
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — |
11,732,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
14,803,000
GBP
|