Disclosure Of Interests In Other Entities [Text Block]
| Concept |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of interests in other entities [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of interests in subsidiaries [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of subsidiaries [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of subsidiaries [abstract] | ||||||||||||||||||||
| Disclosure of subsidiaries [line items] | ||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — |
995,000,000
GBP
|
— |
838,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income |
22,000,000
GBP
|
1,135,000,000
GBP
|
— |
–
GBP
|
1,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
1,136,000,000
GBP
|
1,113,000,000
GBP
|
1,126,000,000
GBP
|
1,115,000,000
GBP
|
5,000,000
GBP
|
–
GBP
|
–
GBP
|
6,000,000
GBP
|
–
GBP
|
— |
–
GBP
|
1,121,000,000
GBP
|
| Disclosure of interests in associates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of associates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of associates [abstract] | ||||||||||||||||||||
| Disclosure of associates [line items] | ||||||||||||||||||||
| Profit (loss) from continuing operations |
–
GBP
|
994,000,000
GBP
|
— |
–
GBP
|
1,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
995,000,000
GBP
|
994,000,000
GBP
|
853,000,000
GBP
|
848,000,000
GBP
|
5,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— |
–
GBP
|
848,000,000
GBP
|
| Profit (loss) from discontinued operations | — | — | — | — | — | — | — | — |
–
GBP
|
— |
15,000,000
GBP
|
15,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— |
–
GBP
|
15,000,000
GBP
|
| Other comprehensive income | — | — | — | — | — | — | — | — |
141,000,000
GBP
|
— |
288,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — |
274,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,371,000,000
GBP
|
— | — |
| Disclosure of interests in joint arrangements [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of joint ventures [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of joint ventures [abstract] | ||||||||||||||||||||
| Disclosure of joint ventures [line items] | ||||||||||||||||||||
| Cash and cash equivalents | — | — |
1,904,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,519,000,000
GBP
|
— | — |
| Tax expense (income) | — | — | — | — | — | — | — | — |
12 0
GBP
|
— |
15,000,000
GBP
|
— | — | — | — | — | — | — | — | — |