Disclosure Of Cash Flow Statement [Text Block]
| Concept |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-01-01 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|
| Disclosure of cash flow statement [text block] | — | — | — | — | — | — |
| Consideration paid (received) | — |
14,000,000
GBP
|
— |
22,000,000
GBP
|
— | — |
| Cash and cash equivalents in subsidiary or businesses acquired or disposed | — |
202,000,000
GBP
|
— |
9,000,000
GBP
|
— | — |
| Cash and cash equivalents if different from statement of financial position [abstract] | ||||||
| Cash and cash equivalents |
784,000,000
GBP
|
— |
656,000,000
GBP
|
— |
676,000,000
GBP
|
— |
| Bank overdrafts |
17,000,000
GBP
|
— |
7,000,000
GBP
|
— | — | — |
| Cash and cash equivalents if different from statement of financial position |
767,000,000
GBP
|
— |
649,000,000
GBP
|
— | — |
676,000,000
GBP
|