Disclosure Of Analysis Of Other Comprehensive Income By Item [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 |
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 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, exchange differences on translation of foreign operations |
–
GBP
|
–
GBP
|
–
GBP
|
80,000,000
GBP
|
–
GBP
|
80,000,000
GBP
|
1 62
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
1 62
GBP
|
| Other comprehensive income, net of tax, cash flow hedges |
–
GBP
|
–
GBP
|
–
GBP
|
36,000,000
GBP
|
–
GBP
|
3 6
GBP
|
3,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
3,000,000
GBP
|
| Other comprehensive income, net of tax, hedges of net investments in foreign operations |
–
GBP
|
–
GBP
|
–
GBP
|
2,000,000
GBP
|
–
GBP
|
2,000,000
GBP
|
12,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
12,000,000
GBP
|