Profit Or Loss [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 |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Profit or loss [abstract] | ||||||||||||||||||||
| Profit (loss) [abstract] | ||||||||||||||||||||
| Revenue | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Insurance revenue |
3,486,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
2,956,900,000
GBP
|
— | — | — | — | — | — | — | — |
| Other gains (losses) |
31,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
119,600,000
GBP
|
— | — | — | — | — | — | — | — |
| Insurance service expenses from insurance contracts issued |
3,093,200,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
2,737,200,000
GBP
|
— | — | — | — | — | — | — | — |
| Profit (loss) from operating activities |
462,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
373,200,000
GBP
|
— | — | — | — | — | — | — | — |
| Finance costs |
20,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
13,500,000
GBP
|
— | — | — | — | — | — | — | — |
| Insurance finance income (expenses) from insurance contracts issued recognised in profit or loss |
94,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
52,000,000
GBP
|
— | — | — | — | — | — | — | — |
| Finance income (expenses) from reinsurance contracts held recognised in profit or loss |
28,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
13,600,000
GBP
|
— | — | — | — | — | — | — | — |
| Profit (loss) before tax |
442,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
361,200,000
GBP
|
— | — | — | — | — | — | — | — |
| Tax expense (income) |
105,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
75,900,000
GBP
|
— | — | — | — | — | — | — | — |
| Profit (loss) |
337,200,000
GBP
|
–
GBP
|
338,000,000
GBP
|
800,000
GBP
|
338,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
285,300,000
GBP
|
286,500,000
GBP
|
1,200,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
286,500,000
GBP
|
–
GBP
|
–
GBP
|
| Profit (loss), attributable to [abstract] | ||||||||||||||||||||
| Profit (loss), attributable to owners of parent |
338,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
286,500,000
GBP
|
— | — | — | — | — | — | — | — |
| Profit (loss), attributable to non-controlling interests |
800,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
1,200,000
GBP
|
— | — | — | — | — | — | — | — |
| Earnings per share [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Earnings per share [abstract] | ||||||||||||||||||||
| Earnings per share [line items] | ||||||||||||||||||||
| Basic earnings per share [abstract] | ||||||||||||||||||||
| Basic earnings (loss) per share |
1.112
|
— | — | — | — | — | — | — | — | — | — |
0.954
|
— | — | — | — | — | — | — | — |
| Diluted earnings per share [abstract] | ||||||||||||||||||||
| Diluted earnings (loss) per share |
1.108
|
— | — | — | — | — | — | — | — | — | — |
0.950
|
— | — | — | — | — | — | — | — |