Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of fair value measurement [text block] | — |
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of assets [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of assets [abstract] | |||||||||||||||||||
| Disclosure of fair value measurement of assets [line items] | |||||||||||||||||||
| Assets |
5 , 0 3 4 .1
GBP
|
— | — | — | — | — | — | — | — |
4,792. 2
GBP
|
— | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, assets [abstract] | |||||||||||||||||||
| Disclosure of fair value measurement of liabilities [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of liabilities [abstract] | |||||||||||||||||||
| Disclosure of fair value measurement of liabilities [line items] | |||||||||||||||||||
| Liabilities |
1,594,800,000
GBP
|
— | — | — | — | — | — | — | — |
1 , 1 67. 0
GBP
|
— | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, liabilities [abstract] | |||||||||||||||||||
| Disclosure of fair value measurement of equity [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of equity [abstract] | |||||||||||||||||||
| Disclosure of fair value measurement of equity [line items] | |||||||||||||||||||
| Equity |
3,439,300,000
GBP
|
— |
25 .6
GBP
|
236,500,000
GBP
|
2,868,500,000
GBP
|
31 .9
GBP
|
276 . 8
GBP
|
3 , 0 55 .1
GBP
|
236,500,000
GBP
|
3 ,6 25 . 2
GBP
|
276. 8
GBP
|
24 . 9
GBP
|
3 1.9
GBP
|
2,950. 9
GBP
|
3 1.9
GBP
|
22. 3
GBP
|
3, 51 8 .4
GBP
|
236,500,000
GBP
|
276 . 8
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |