Disclosure Of Entity's Operating Segments [Text Block]
| Concept |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
As at 2022-03-31 |
2021-04-01 to 2022-03-31 |
As at 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of entity's operating segments [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of operating segments [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of operating segments [abstract] | ||||||||||||||||||||||||
| Disclosure of operating segments [line items] | ||||||||||||||||||||||||
| Revenue | — | — | — | — | — | — | — | — | — |
3 233
GBP
|
— | — | — | — | — | — | — |
2 995
GBP
|
— | — | — | — | — | — |
| Depreciation and amortisation expense | — | — | — | — | — | — | — | — | — |
228,000,000
GBP
|
— | — | — | — | — | — | — |
217,000,000
GBP
|
— | — | — | — | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — | — | — | — | — | — | — | — | — |
1,000,000
GBP
|
— | — | — | — | — | — | — |
70,000,000
GBP
|
— | — | — | — | — | — |
| Tax expense (income) | — | — | — | — | — | — | — | — | — |
41,000,000
GBP
|
— | — | — | — | — | — | — |
25,000,000
GBP
|
— | — | — | — | — | — |
| Profit (loss) before tax | — | — | — | — | — | — | — | — | — |
211,000,000
GBP
|
— | — | — | — | — | — | — |
104,000,000
GBP
|
— | — | — | — | — | — |
| Profit (loss) |
151,000,000
GBP
|
–
GBP
|
19,000,000
GBP
|
–
GBP
|
151,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
170,000,000
GBP
|
— |
–
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
79,000,000
GBP
|
–
GBP
|
–
GBP
|
68,000,000
GBP
|
–
GBP
|
11,000,000
GBP
|
68,000,000
GBP
|
| Assets | — | — | — | — | — | — | — | — | — | — |
7 207
GBP
|
— |
6 672
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — | — | — | — | — | — | — | — |
165,000,000
GBP
|
— |
171,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — | — | — | — | — | — |
3 961
GBP
|
— |
3 705
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) operating activities | — | — | — | — | — | — | — | — | — |
554,000,000
GBP
|
— | — | — | — | — | — | — |
235,000,000
GBP
|
— | — | — | — | — | — |
| Cash flows from (used in) investing activities | — | — | — | — | — | — | — | — | — |
189,000,000
GBP
|
— | — | — | — | — | — | — |
137,000,000
GBP
|
— | — | — | — | — | — |
| Cash flows from (used in) financing activities | — | — | — | — | — | — | — | — | — |
14 9
GBP
|
— | — | — | — | — | — | — |
130,000,000
GBP
|
— | — | — | — | — | — |
| Disclosure of products and services [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of products and services [abstract] | ||||||||||||||||||||||||
| Disclosure of products and services [line items] | ||||||||||||||||||||||||
| Disclosure of geographical areas [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of geographical areas [abstract] | ||||||||||||||||||||||||
| Disclosure of geographical areas [line items] | ||||||||||||||||||||||||
| Disclosure of major customers [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of major customers [abstract] | ||||||||||||||||||||||||
| Disclosure of major customers [line items] |