Disclosure Of Entity's Operating Segments [Text Block]
| Concept |
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 |
2023-10-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-03-31 |
2023-01-01 to 2023-03-31 |
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 |
2022-07-01 to 2022-09-30 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of entity's operating segments [text block] |
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of operating segments [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of operating segments [abstract] | |||||||||||||||||||||
| Disclosure of operating segments [line items] | |||||||||||||||||||||
| Interest income |
17,782,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
6,535,000,000
GBP
|
— | — | — | — | — | — | — | — |
3,149,000,000
GBP
|
— |
| Interest expense |
15,631,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
4,631,000,000
GBP
|
— | — | — | — | — | — | — | — |
1,395,000,000
GBP
|
— |
| Interest income (expense) |
2,151,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
1,904,000,000
GBP
|
— | — | — | — | — | — | — | — |
1,754,000,000
GBP
|
— |
| Share of profit (loss) of associates and joint ventures accounted for using equity method |
43,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
30,000,000
GBP
|
— | — | — | — | — | — | — | — |
191,000,000
GBP
|
— |
| Tax expense (income) |
427,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
646,000,000
GBP
|
— | — | — | — | — | — | — | — |
23,000,000
GBP
|
— |
| Profit (loss) before tax |
2,152,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
1,199,000,000
GBP
|
— | — | — | — | — | — | — | — |
1,023,000,000
GBP
|
— |
| Profit (loss) |
1,725,000,000
GBP
|
— |
1,703,000,000
GBP
|
22,000,000
GBP
|
1,703,000,000
GBP
|
— | — | — | — | — |
553,000,000
GBP
|
563,000,000
GBP
|
10,000,000
GBP
|
— |
563,000,000
GBP
|
— |
5,000,000
GBP
|
1,041,000,000
GBP
|
— |
1,046,000,000
GBP
|
1,041,000,000
GBP
|
| Assets | — |
702,970,000,000
GBP
|
— | — | — | — | — | — | — |
716,646,000,000
GBP
|
— | — | — | — | — | — | — | — |
596,027,000,000
GBP
|
— | — |
| Liabilities | — |
678,465,000,000
GBP
|
— | — | — | — | — | — | — |
693,413,000,000
GBP
|
— | — | — | — | — | — | — | — |
572,882,000,000
GBP
|
— | — |
| Impairment loss recognised in profit or loss | — | — | — | — | — |
1,500,000,000
GBP
|
200,000,000
GBP
|
— | — | — | — | — | — |
200,000,000
GBP
|
— |
1,700,000,000
GBP
|
— | — | — | — | — |
| Reversal of impairment loss recognised in profit or loss | — | — | — | — | — | — | — |
1,700,000,000
GBP
|
200,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) operating activities |
3,630,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
32,190,000,000
GBP
|
— | — | — | — | — | — | — | — |
15,303,000,000
GBP
|
— |
| Cash flows from (used in) investing activities |
12,800,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
7,186,000,000
GBP
|
— | — | — | — | — | — | — | — |
6,059,000,000
GBP
|
— |
| Cash flows from (used in) financing activities |
169,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
1,902,000,000
GBP
|
— | — | — | — | — | — | — | — |
631,000,000
GBP
|
— |