Disclosure Of Effect Of Changes In Foreign Exchange Rates [Text Block]
| Concept |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
As at 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
As at 2021-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of effect of changes in foreign exchange rates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reserve of exchange differences on translation | — | — |
206,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
42,000,000
GBP
|
— | — | — | — |
| 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 | — | — |
3,013,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
2,405,000,000
GBP
|
— | — | — | — |
| Current assets | — | — |
883,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
924,000,000
GBP
|
— | — | — | — |
| Non-current liabilities | — | — |
1,173,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
838,000,000
GBP
|
— | — | — | — |
| Current liabilities | — | — |
1,326,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
1,3 80
GBP
|
— | — | — | — |
| Revenue |
1,947,000,000
GBP
|
— | — | — | — | — | — |
2,000,000
GBP
|
1,949,000,000
GBP
|
— |
1,846,000,000
GBP
|
— | — | — | — | — |
1,84 6
GBP
|
–
GBP
|
| Profit (loss) |
260,000,000
GBP
|
–
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
260,000,000
GBP
|
3,000,000
GBP
|
263,000,000
GBP
|
–
GBP
|
285,000,000
GBP
|
–
GBP
|
–
GBP
|
— |
–
GBP
|
285,000,000
GBP
|
250,000,000
GBP
|
35,000,000
GBP
|
| Other comprehensive income |
197,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
79,000,000
GBP
|
— | — | — | — | — | — | — |
| Comprehensive income |
457,000,000
GBP
|
164,000,000
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
293,000,000
GBP
|
— | — |
–
GBP
|
206,000,000
GBP
|
81,000,000
GBP
|
–
GBP
|
— |
–
GBP
|
287,000,000
GBP
|
— | — |