Statement Of Cash Flows [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2022-01-01 to 2022-12-31 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) operating activities [abstract] | ||
| Adjustments for interest expense |
26,200,000
GBP
|
12,600,000
GBP
|
| Adjustments for increase (decrease) in trade and other payables |
52,400,000
GBP
|
96,300,000
GBP
|
| Adjustments for increase (decrease) in insurance, reinsurance and investment contract liabilities |
451,300,000
GBP
|
372,800,000
GBP
|
| Adjustments for decrease (increase) in loans and advances | — | — |
| Adjustments for decrease (increase) in loans and advances to customers |
73,600,000
GBP
|
280,600,000
GBP
|
| Adjustments for depreciation expense |
18,200,000
GBP
|
18,200,000
GBP
|
| Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss, loans and advances |
15,700,000
GBP
|
11,700,000
GBP
|
| Cash flows from (used in) investing activities [abstract] | ||
| Purchase of interests in associates |
–
GBP
|
2,400,000
GBP
|
| Purchase of investments other than investments accounted for using equity method |
3,538,400,000
GBP
|
3,198,000,000
GBP
|
| Proceeds from sales of investments other than investments accounted for using equity method |
3,176,100,000
GBP
|
3,328,300,000
GBP
|