Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2024-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
7 11
GBP
|
723,000,000
GBP
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
126,000,000
GBP
|
193,000,000
GBP
|
— |
| Trade and other receivables [abstract] | |||
| Prepayments and accrued income other than contract assets [abstract] | |||
| Prepayments and accrued income other than contract assets |
93,000,000
GBP
|
118,000,000
GBP
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
2,8 11
GBP
|
3,89 1
GBP
|
1,956,000,000
GBP
|
| Miscellaneous assets [abstract] | |||
| Derivative financial assets |
16,000,000
GBP
|
36,000,000
GBP
|
— |
| Loans and advances | — | — | — |
| Loans and advances to customers |
9, 01 3
GBP
|
12 ,297
GBP
|
— |
| Cash and bank balances at central banks |
2,8 11
GBP
|
3 ,891
GBP
|
— |
| Other assets |
82,000,000
GBP
|
108,000,000
GBP
|
— |
| Trade and other payables [abstract] | |||
| Accruals and deferred income including contract liabilities [abstract] | |||
| Deferred income including contract liabilities [abstract] | |||
| Deferred income including contract liabilities |
13,000,000
GBP
|
16,000,000
GBP
|
— |
| Miscellaneous liabilities [abstract] | |||
| Derivative financial liabilities |
1,000,000
GBP
|
–
GBP
|
— |
| Deposit liabilities | — | — | — |
| Deposits from banks |
400,000,000
GBP
|
3 ,05 0
GBP
|
— |
| Deposits from customers [abstract] | |||
| Deposits from customers |
14,4 58
GBP
|
15,6 23
GBP
|
— |
| Debt instruments issued |
675,000,000
GBP
|
69 4
GBP
|
— |
| Repurchase agreements and cash collateral on securities lent |
39 1
GBP
|
1 ,1 9 1
GBP
|
— |
| Other liabilities |
24 5
GBP
|
267,000,000
GBP
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
1 ,02 2
GBP
|
97 8
GBP
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
1 7, 5 8 2
GBP
|
2 2 , 24 5
GBP
|
— |
| Liabilities |
16, 399
GBP
|
21,111,000,000
GBP
|
— |
| Assets less current liabilities [abstract] |