Analysis Of Income And Expense [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
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 |
2022-01-01 to 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||
| Revenue [abstract] | ||||||||||||
| Interest income | — |
16,700,000
GBP
|
— | — | — | — | — | — |
4,200,000
GBP
|
— | — | — |
| Material income and expense [abstract] | ||||||||||||
| Investment income | — |
8,000,000
GBP
|
— | — | — | — | — | — |
22,000,000
GBP
|
— | — | — |
| Interest expense | — |
600,000
GBP
|
— | — | — | — | — | — |
4. 7
GBP
|
— | — | — |
| Operating expense | — |
20 1. 4
GBP
|
— | — | — | — | — | — |
16 8 .7
GBP
|
— | — | — |
| Sales and marketing expense | — |
4 8. 4
GBP
|
— | — | — | — | — | — |
38 . 4
GBP
|
— | — | — |
| Fee and commission income (expense) [abstract] | ||||||||||||
| Fee and commission income [abstract] | ||||||||||||
| Other fee and commission income | — |
7. 0
GBP
|
— | — | — | — | — | — |
4 .1
GBP
|
— | — | — |
| Expenses by nature [abstract] | ||||||||||||
| Classes of employee benefits expense [abstract] | ||||||||||||
| Employee benefits expense | — |
9 4. 4
GBP
|
— | — | — | — | — | — |
85 .9
GBP
|
— | — | — |
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract] | ||||||||||||
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss | — |
22 . 9
GBP
|
— | — | — | — | — | — |
1 7. 0
GBP
|
— | — | — |
| Other expenses, by nature | — |
31 . 3
GBP
|
— | — | — | — | — | — |
28. 9
GBP
|
— | — | — |
| Miscellaneous other comprehensive income [abstract] | ||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | ||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations |
—
GBP
|
2 .7
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
2,700,000
GBP
|
—
GBP
|
—
GBP
|
5,800,000
GBP
|
—
GBP
|
—
GBP
|
5,800,000
GBP
|
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income |
—
GBP
|
41 .0
GBP
|
—
GBP
|
3 8 .3
GBP
|
—
GBP
|
2. 7
GBP
|
—
GBP
|
—
GBP
|
1 .1
GBP
|
—
GBP
|
6 .9
GBP
|
5,800,000
GBP
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income, attributable to owners of parent | — |
41 .0
GBP
|
— | — | — | — | — | — |
1 .1
GBP
|
— | — | — |