Disclosure Of Effect Of Changes In Foreign Exchange Rates [Text Block]
| 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 |
As at 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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of effect of changes in foreign exchange rates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of information when currency is not exchangeable into another currency [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of information when foreign operation’s functional currency is not exchangeable into presentation currency [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of summarised financial information about foreign operation [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of summarised financial information about foreign operation [abstract] | ||||||||||||||||||||||||
| Disclosure of summarised financial information about foreign operation [line items] | ||||||||||||||||||||||||
| Non-current assets | — | — | — | — | — | — |
5,229,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
5,677,000,000
GBP
|
— | — | — | — | — | — |
| Current assets | — | — | — | — | — | — |
164,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
183,000,000
GBP
|
— | — | — | — | — | — |
| Non-current liabilities | — | — | — | — | — | — |
2,384,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
2,081,000,000
GBP
|
— | — | — | — | — | — |
| Current liabilities | — | — | — | — | — | — |
278,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
684,000,000
GBP
|
— | — | — | — | — | — |
| Revenue | — |
174,000,000
GBP
|
401,000,000
GBP
|
— | — |
575,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
–
GBP
|
418,000,000
GBP
|
— | — | — | — | — | — |
418,000,000
GBP
|
| Profit (loss) |
–
GBP
|
265,000,000
GBP
|
266,000,000
GBP
|
1,000,000
GBP
|
–
GBP
|
1,000,000
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
1,000,000
GBP
|
2,000,000
GBP
|
–
GBP
|
1,038,000,000
GBP
|
–
GBP
|
1,303,000,000
GBP
|
264,000,000
GBP
|
— |
–
GBP
|
1,038,000,000
GBP
|
–
GBP
|
1,000,000
GBP
|
–
GBP
|
1,039,000,000
GBP
|
| Other comprehensive income |
–
GBP
|
— | — |
2,000,000
GBP
|
2,000,000
GBP
|
2,000,000
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
10,000,000
GBP
|
10,000,000
GBP
|
–
GBP
|
— | — | — |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
10,000,000
GBP
|
| Comprehensive income |
–
GBP
|
— | — |
3,000,000
GBP
|
2,000,000
GBP
|
1,000,000
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
1,000,000
GBP
|
2,000,000
GBP
|
10,000,000
GBP
|
1,028,000,000
GBP
|
–
GBP
|
— | — | — |
–
GBP
|
1,038,000,000
GBP
|
–
GBP
|
1,000,000
GBP
|
–
GBP
|
1,029,000,000
GBP
|