Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
1 ,1 91
GBP
|
1, 579
GBP
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
24 ,294
GBP
|
21 , 919
GBP
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments accounted for using equity method |
495,000
GBP
|
488,000
GBP
|
— |
| Prepayments and accrued income including contract assets [abstract] | |||
| Accrued income including contract assets [abstract] | |||
| Accrued income including contract assets |
1 , 21 5
GBP
|
856,000
GBP
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
1,1 8 2,3 38
GBP
|
9 07, 0 5 3
GBP
|
1 ,120 ,10 9
GBP
|
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners [abstract] | |||
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners |
–
GBP
|
1, 3 87
GBP
|
— |
| Miscellaneous assets [abstract] | |||
| Derivative financial assets |
3, 829
GBP
|
6,5 67
GBP
|
— |
| Debt instruments held [abstract] | |||
| Debt instruments held |
353 ,028
GBP
|
414 , 0 6 1
GBP
|
— |
| Loans and advances | — | — | — |
| Loans and advances to customers |
8 , 216
GBP
|
1 2 , 4 47
GBP
|
— |
| Cash and bank balances at central banks |
528 , 396
GBP
|
607 ,358
GBP
|
— |
| Other assets |
11 , 20 0
GBP
|
16 , 4 0 9
GBP
|
— |
| Trade and other payables [abstract] | |||
| Accruals and deferred income including contract liabilities [abstract] | |||
| Accruals |
18, 367
GBP
|
19 ,3 64
GBP
|
— |
| Miscellaneous liabilities [abstract] | |||
| Derivative financial liabilities |
9,679,000
GBP
|
4,5 43
GBP
|
— |
| Other liabilities |
8 , 121
GBP
|
11 , 517
GBP
|
— |
| Issued capital [abstract] | |||
| Issued capital |
85,000
GBP
|
6 8 , 010
GBP
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
1 31 , 47 8
GBP
|
4 0 ,17 9
GBP
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Reserve of exchange differences on translation |
14 4
GBP
|
31,000
GBP
|
— |
| Reserve of gains and losses from investments in equity instruments |
111,000
GBP
|
96,000
GBP
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
1 ,7 32 , 4 82
GBP
|
1,485,436,000
GBP
|
— |
| Liabilities |
1,6 00, 952
GBP
|
1, 3 6 9 , 478
GBP
|
— |
| Assets less current liabilities [abstract] |