Disclosure Of Entity's Operating Segments [Text Block]
| Concept |
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 |
As at 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 |
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 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — |
–
GBP
|
418,000,000
GBP
|
— | — | — | — | — | — |
418,000,000
GBP
|
— | — | — | — | — | — | — |
412,000,000
GBP
|
— |
432,000,000
GBP
|
20,000,000
GBP
|
— |
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — | — | — |
559,000,000
GBP
|
92,000,000
GBP
|
— | — | — | — | — | — |
467,000,000
GBP
|
— | — | — | — | — | — | — |
247,000,000
GBP
|
— |
84,000,000
GBP
|
163,000,000
GBP
|
— |
| Tax expense (income) | — | — | — |
4,000,000
GBP
|
1,000,000
GBP
|
— | — | — | — | — | — |
5,000,000
GBP
|
— | — | — | — | — | — | — |
2,000,000
GBP
|
— |
4,000,000
GBP
|
2,000,000
GBP
|
— |
| Profit (loss) before tax | — | — | — |
1,299,000,000
GBP
|
265,000,000
GBP
|
— | — | — | — | — | — |
1,034,000,000
GBP
|
— | — | — | — | — | — | — |
963,000,000
GBP
|
— |
249,000,000
GBP
|
71 4
GBP
|
— |
| Profit (loss) |
–
GBP
|
1,038,000,000
GBP
|
–
GBP
|
1,303,000,000
GBP
|
264,000,000
GBP
|
— |
–
GBP
|
–
GBP
|
1,038,000,000
GBP
|
1,000,000
GBP
|
–
GBP
|
1,039,000,000
GBP
|
963,000,000
GBP
|
2,000,000
GBP
|
–
GBP
|
963,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
965,000,000
GBP
|
— |
253,000,000
GBP
|
71 2
GBP
|
–
GBP
|
| Assets | — | — | — | — | — |
8,290,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
9,910,000,000
GBP
|
— | — | — |
| Liabilities | — | — | — | — | — |
2,765,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
3,142,000,000
GBP
|
— | — | — |
| Cash flows from (used in) operating activities | — | — | — | — | — | — | — | — | — | — | — |
240,000,000
GBP
|
— | — | — | — | — | — | — |
245,000,000
GBP
|
— | — | — | — |
| Cash flows from (used in) investing activities | — | — | — | — | — | — | — | — | — | — | — |
326,000,000
GBP
|
— | — | — | — | — | — | — |
385,000,000
GBP
|
— | — | — | — |
| Cash flows from (used in) financing activities | — | — | — | — | — | — | — | — | — | — | — |
552,000,000
GBP
|
— | — | — | — | — | — | — |
60,000,000
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] |