Analysis Of Income And Expense [Abstract]
| Concept |
2024-04-05 to 2025-03-31 |
2024-04-05 to 2025-03-31 |
2024-04-05 to 2025-03-31 |
2024-04-05 to 2025-03-31 |
2024-04-05 to 2025-03-31 |
2024-04-05 to 2025-03-31 |
2024-04-05 to 2025-03-31 |
2024-04-05 to 2025-03-31 |
2024-04-05 to 2025-03-31 |
2024-04-05 to 2025-03-31 |
2023-04-05 to 2024-04-04 |
2023-04-05 to 2024-04-04 |
2023-04-05 to 2024-04-04 |
2023-04-05 to 2024-04-04 |
2023-04-05 to 2024-04-04 |
2023-04-05 to 2024-04-04 |
2023-04-05 to 2024-04-04 |
2023-04-05 to 2024-04-04 |
2023-04-05 to 2024-04-04 |
2023-04-05 to 2024-04-04 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||||||
| Material income and expense [abstract] | ||||||||||||||||||||
| Impairment loss (reversal of impairment loss) recognised in profit or loss, loans and advances [abstract] | ||||||||||||||||||||
| Impairment loss (reversal of impairment loss) recognised in profit or loss, loans and advances | — | — | — | — | — |
632,000,000
GBP
|
— | — | — | — | — | — | — | — |
112,000,000
GBP
|
— | — | — | — | — |
| Interest expense | — | — | — | — | — |
11,090,000,000
GBP
|
— | — | — | — | — | — | — | — |
9,575,000,000
GBP
|
— | — | — | — | — |
| Interest income (expense) | — | — | — | — | — |
4,992,000,000
GBP
|
— | — | — | — | — | — | — | — |
4,450,000,000
GBP
|
— | — | — | — | — |
| Fee and commission income (expense) [abstract] | ||||||||||||||||||||
| Fee and commission income [abstract] | ||||||||||||||||||||
| Fee and commission income | — | — | — | — | — |
515,000,000
GBP
|
— | — | — | — | — | — | — | — |
426,000,000
GBP
|
— | — | — | — | — |
| Fee and commission expense [abstract] | ||||||||||||||||||||
| Fee and commission expense | — | — | — | — | — |
356,000,000
GBP
|
— | — | — | — | — | — | — | — |
292,000,000
GBP
|
— | — | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||||||
| Comprehensive income |
-
GBP
|
2,160,000,000
GBP
|
1,000,000
GBP
|
-
GBP
|
2,000,000
GBP
|
2,116,000,000
GBP
|
82,000,000
GBP
|
5,000,000
GBP
|
2,082,000,000
GBP
|
34,000,000
GBP
|
2,000,000
GBP
|
49,000,000
GBP
|
1,031,000,000
GBP
|
-
GBP
|
1,031,000,000
GBP
|
-
GBP
|
-
GBP
|
4,000,000
GBP
|
24,000,000
GBP
|
1,110,000,000
GBP
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — |
2,082,000,000
GBP
|
— | — | — | — | — | — | — | — |
1,031,000,000
GBP
|
— | — | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — |
34,000,000
GBP
|
— | — | — | — | — | — | — | — |
-
GBP
|
— | — | — | — | — |