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Structured entities - Own asset securitisations (Details) - GBP (£) £ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Structured entities |  |
Loans and advances to customers | £ 366,340 | £ 358,990
Consolidated structured entities | Other credit risk transfer securitizations |  |
Structured entities |  |
Loans and advances to customers | 4,361 | 7,137
ECL in relation to non-defaulted assets | 20 | 28
Consolidated structured entities | Covered Bond Programme |  |
Structured entities |  |
Loans and advances to customers | 8,156 | 8,965
Other borrowings | 4,132 | 3,512
Consolidated structured entities | Lending of own issued securities |  |
Structured entities |  |
Debt securities in issue | 2,244 | 1,564
Consolidated structured entities | Lending of own issued securities | Secured |  |
Structured entities |  |
Debt securities in issue | 2,419 | 1,494
Held by Third party | Other credit risk transfer securitizations |  |
Structured entities |  |
Debt securities in issue | £ 859 | £ 867

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