LOANS AND ADVANCES TO CUSTOMERS (Details) - GBP (£) £ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Disclosure Of Deposits From Customers [Line Items] | ||
| Loans and advances to customers | £ 240,406 | £ 202,609 |
| Residual value and voluntary termination provisions on finance leases | (39) | (27) |
| Cost | ||
| Disclosure Of Deposits From Customers [Line Items] | ||
| Loans and advances to customers | 241,247 | 203,365 |
| Accumulated impairment | ||
| Disclosure Of Deposits From Customers [Line Items] | ||
| Loans and advances to customers | £ (802) | £ (729) |