Disclosure Of Effect Of Changes In Foreign Exchange Rates [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 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 | — | — | — | — | — |
5,677,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
7,032,000,000
GBP
|
— | — | — |
| Current assets | — | — | — | — | — |
183,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
19 2
GBP
|
— | — | — |
| Non-current liabilities | — | — | — | — | — |
2,081,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,675,000,000
GBP
|
— | — | — |
| Current liabilities | — | — | — | — | — |
684,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
467,000,000
GBP
|
— | — | — |
| Revenue | — | — | — |
–
GBP
|
418,000,000
GBP
|
— | — | — | — | — | — |
418,000,000
GBP
|
— | — | — | — | — | — | — |
412,000,000
GBP
|
— |
432,000,000
GBP
|
20,000,000
GBP
|
— |
| Profit (loss) |
–
GBP
|
1,038,000,000
GBP
|
–
GBP
|
1,303,000,000
GBP
|
264,000,000
GBP
|
— |
–
GBP
|
1,000,000
GBP
|
–
GBP
|
1,038,000,000
GBP
|
–
GBP
|
1,039,000,000
GBP
|
963,000,000
GBP
|
–
GBP
|
2,000,000
GBP
|
963,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
965,000,000
GBP
|
— |
253,000,000
GBP
|
71 2
GBP
|
–
GBP
|
| Other comprehensive income |
10,000,000
GBP
|
10,000,000
GBP
|
–
GBP
|
— | — | — |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
10,000,000
GBP
|
11,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
12,000,000
GBP
|
11,000,000
GBP
|
— | — | — |
1,000,000
GBP
|
| Comprehensive income |
10,000,000
GBP
|
1,028,000,000
GBP
|
–
GBP
|
— | — | — |
–
GBP
|
1,000,000
GBP
|
–
GBP
|
1,038,000,000
GBP
|
–
GBP
|
1,029,000,000
GBP
|
952,000,000
GBP
|
–
GBP
|
2,000,000
GBP
|
963,000,000
GBP
|
–
GBP
|
–
GBP
|
12,000,000
GBP
|
954,000,000
GBP
|
— | — | — |
1,000,000
GBP
|