Disclosure Of Interests In Other Entities [Text Block]
| Concept |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of interests in other entities [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of interests in subsidiaries [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of composition of group [text block] |
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of subsidiaries [text block] |
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of subsidiaries [abstract] | ||||||||||||||||||||||
| Disclosure of subsidiaries [line items] | ||||||||||||||||||||||
| Profit (loss), attributable to non-controlling interests |
12,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
13,000,000
GBP
|
— | — |
| Non-controlling interests | — | — |
43,000,000
GBP
|
— | — | — | — | — | — | — |
48,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
49,000,000
GBP
|
| Profit (loss) |
309,000,000
GBP
|
—
GBP
|
— |
297,000,000
GBP
|
—
GBP
|
12,000,000
GBP
|
297,000,000
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
— |
—
GBP
|
—
GBP
|
—
GBP
|
2,055,000,000
GBP
|
2,068,000,000
GBP
|
13,000,000
GBP
|
2,068,000,000
GBP
|
—
GBP
|
2,055,000,000
GBP
|
—
GBP
|
— |
| Comprehensive income |
201,000,000
GBP
|
—
GBP
|
— |
193,000,000
GBP
|
8,000,000
GBP
|
8,000,000
GBP
|
201,000,000
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
— |
—
GBP
|
—
GBP
|
20,000,000
GBP
|
2,013,000,000
GBP
|
2,046,000,000
GBP
|
13,000,000
GBP
|
2,026,000,000
GBP
|
—
GBP
|
2,013,000,000
GBP
|
—
GBP
|
— |
| Disclosure of information about consolidated structured entities [text block] |
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of interests in associates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of associates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of associates [abstract] | ||||||||||||||||||||||
| Disclosure of associates [line items] | ||||||||||||||||||||||
| Other comprehensive income |
108,000,000
GBP
|
—
GBP
|
— |
104,000,000
GBP
|
8,000,000
GBP
|
4,000,000
GBP
|
96,000,000
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
— |
—
GBP
|
—
GBP
|
20,000,000
GBP
|
42,000,000
GBP
|
22,000,000
GBP
|
—
GBP
|
42,000,000
GBP
|
—
GBP
|
42,000,000
GBP
|
—
GBP
|
— |
| Investments accounted for using equity method | — | — |
287,000,000
GBP
|
— | — | — | — | — | — | — |
413,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
469,000,000
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 | — | — |
5,590,000,000
GBP
|
— | — | — | — | — | — | — |
4,884,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
6,908,000,000
GBP
|
| Tax expense (income) |
440,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
964,000,000
GBP
|
— | — |