Disclosure Of Analysis Of Other Comprehensive Income By Item [Text Block]
| Concept |
2021-02-01 to 2022-01-31 |
2020-02-01 to 2021-01-31 |
|---|---|---|
| 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 | — | — |
| Gains (losses) on cash flow hedges, net of tax |
1,000,000
GBP
|
5,000,000
GBP
|
| Reclassification adjustments on cash flow hedges, net of tax |
1,000,000
GBP
|
5,000,000
GBP
|