Disclosure Of Financial Instruments [Text Block]
| Concept |
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 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of financial instruments [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of general hedge accounting [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of information about amounts that affected statement of comprehensive income as result of hedge accounting [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of information about amounts that affected statement of comprehensive income as result of hedge accounting [abstract] | ||||||||||||||
| Disclosure of information about amounts that affected statement of comprehensive income as result of hedge accounting [line items] | ||||||||||||||
| Gains (losses) on cash flow hedges, net of tax |
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
3,000,000
GBP
|
3,000,000
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
1,500,000
GBP
|
1. 5
GBP
|
—
GBP
|
| Gains (losses) on hedges of net investments in foreign operations, net of tax | — | — | — | — | — | — |
3,600,000
GBP
|
— | — | — | — |
5,300,000
GBP
|
— | — |