Disclosure Of Entity's Operating Segments [Text Block]
| Concept |
2022-10-01 to 2023-09-30 |
As at 2023-09-30 |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — | — | — |
32,475,000,000
GBP
|
— |
32,551,000,000
GBP
|
— | — | — | — | — | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — | — | — | — | — | — |
7,000,000
GBP
|
— |
15,000,000
GBP
|
— | — | — | — | — | — | — |
| Tax expense (income) | — | — | — | — | — | — |
655,000,000
GBP
|
— |
886,000,000
GBP
|
— | — | — | — | — | — | — |
| Profit (loss) before tax | — | — | — | — | — | — |
3,111,000,000
GBP
|
— |
2,551,000,000
GBP
|
— | — | — | — | — | — | — |
| Profit (loss) |
–
GBP
|
— |
–
GBP
|
–
GBP
|
2,328,000,000
GBP
|
128,000,000
GBP
|
2,456,000,000
GBP
|
2,328,000,000
GBP
|
1,665,000,000
GBP
|
–
GBP
|
— |
–
GBP
|
95,000,000
GBP
|
1,570,000,000
GBP
|
–
GBP
|
1,570,000,000
GBP
|
| Assets | — |
29,491,000,000
GBP
|
— | — | — | — | — | — | — | — |
30,958,000,000
GBP
|
— | — | — | — | — |
| Investments accounted for using equity method | — |
55,000,000
GBP
|
— | — | — | — | — | — | — | — |
56,000,000
GBP
|
— | — | — | — | — |
| Liabilities | — |
22,849,000,000
GBP
|
— | — | — | — | — | — | — | — |
23,485,000,000
GBP
|
— | — | — | — | — |
| Cash flows from (used in) operating activities | — | — | — | — | — | — |
3,129,000,000
GBP
|
— |
3,186,000,000
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) investing activities | — | — | — | — | — | — |
427,000,000
GBP
|
— |
155,000,000
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) financing activities | — | — | — | — | — | — |
3,051,000,000
GBP
|
— |
2,516,000,000
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] |