Disclosure Of Analysis Of Other Comprehensive Income By Item [Text Block]
| Concept |
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 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of analysis of other comprehensive income by item [text block] | — | — | — | — | — | — | — | — | — | — |
| Disclosure of analysis of other comprehensive income by item [abstract] | ||||||||||
| Disclosure of analysis of other comprehensive income by item [line items] | ||||||||||
| Other comprehensive income, net of tax, cash flow hedges |
–
GBP
|
–
GBP
|
4,000,000
GBP
|
–
GBP
|
4,000,000
GBP
|
–
GBP
|
— | — | — | — |
| Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans | — | — |
–
GBP
|
— | — |
3,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
3,000,000
GBP
|