Disclosure Of Financial Instruments [Text Block]
| Concept |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
2023-01-01 to 2023-12-31 |
As at 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 |
|---|---|---|---|---|---|---|---|---|---|
| Disclosure of financial instruments [text block] |
|
— | — | — | — | — | — | — | — |
| Disclosure of financial liabilities [text block] |
|
— | — | — | — | — | — | — | — |
| Designated financial liabilities at fair value through profit or loss [abstract] | |||||||||
| Accumulated increase (decrease) in fair value of financial liability, attributable to changes in credit risk of liability | — |
70,000,000
GBP
|
— | — |
151,000,000
GBP
|
— |
292,000,000
GBP
|
— | — |
| Income, expense, gains or losses of financial instruments [abstract] | |||||||||
| Gains (losses) on financial instruments [abstract] | |||||||||
| Gains (losses) on financial assets at fair value through profit or loss, mandatorily measured at fair value |
413,000,000
GBP
|
— | — |
284,000,000
GBP
|
— | — | — |
143,000,000
GBP
|
— |
| Gains (losses) on available-for-sale financial assets |
22,000,000
GBP
|
— | — |
84,000,000
GBP
|
— | — | — |
60,000,000
GBP
|
— |
| Other comprehensive income, before tax, gains (losses) from investments in equity instruments |
13,000,000
GBP
|
— | — |
1,000,000
GBP
|
— | — | — |
—
GBP
|
— |
| Other comprehensive income, before tax, financial assets measured at fair value through other comprehensive income | — | — | — | — | — | — | — | — | — |
| Gains (losses) on financial assets measured at fair value through other comprehensive income, before tax |
197,000,000
GBP
|
— | — |
495,000,000
GBP
|
— | — | — |
2,631,000,000
GBP
|
— |
| Reclassification adjustments on financial assets measured at fair value through other comprehensive income, before tax |
28,000,000
GBP
|
— | — |
93,000,000
GBP
|
— | — | — |
59,000,000
GBP
|
— |
| Interest income and interest expense for financial assets or financial liabilities not at fair value through profit or loss [abstract] | |||||||||
| Interest expense for financial liabilities not at fair value through profit or loss |
17,195,000,000
GBP
|
— | — |
14,226,000,000
GBP
|
— | — | — |
3,740,000,000
GBP
|
— |
| Interest revenue for financial assets measured at amortised cost |
17,467,000,000
GBP
|
— | — |
16,484,000,000
GBP
|
— | — | — |
5,512,000,000
GBP
|
— |
| Interest revenue for financial assets measured at fair value through other comprehensive income |
1,944,000,000
GBP
|
— |
97,000,000
GBP
|
1,256,000,000
GBP
|
— |
117,000,000
GBP
|
— |
601,000,000
GBP
|
59,000,000
GBP
|