Disclosure Of Borrowing Costs [Text Block]
| Concept |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
2019-01-01 to 2019-12-31 |
|---|---|---|---|
| Disclosure of borrowing costs [text block] | — | — | — |
| Interest costs [abstract] | |||
| Interest expense |
813,000,000
GBP
|
1,643,000,000
GBP
|
2,593,000,000
GBP
|