Disclosure Of Impairment Of Assets [Text Block]
| Concept |
As at 2022-03-31 |
As at 2021-03-31 |
As at 2020-03-31 |
|---|---|---|---|
| Disclosure of impairment of assets [text block] | — | — | — |
| Disclosure of information for cash-generating units [text block] | — | — | — |
| Disclosure of information for cash-generating units [abstract] | |||
| Disclosure of information for cash-generating units [line items] | |||
| Goodwill |
782,400,000
GBP
|
956,300,000
GBP
|
2,381,300,000
GBP
|