v3.26.1
Credit risk - Movement in gross exposures and impairment allowance (Details) - GBP (£)
£ in Millions
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Reconciliation of ECL movement to impairment charges for the period    
Total income statement charges for the period £ 1,057 £ 875
Financial guarantee contracts    
Reconciliation of ECL movement to impairment charges for the period    
Recoveries and reimbursements (38) (52)
Total loans and advances at amortised cost | Financial assets at amortised cost    
Loans and advances at amortised cost    
Opening balance 150,786  
Write-offs (792) (577)
Ending balance 156,430  
Reconciliation of ECL movement to impairment charges for the period    
Post write-off recoveries 44 21
Net write-offs 748 £ 556
Total loans and advances at amortised cost | Financial assets at amortised cost | Stage 1    
Loans and advances at amortised cost    
Opening balance 138,340  
Ending balance 143,369  
Total loans and advances at amortised cost | Financial assets at amortised cost | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance 10,057  
Ending balance 10,526  
Total loans and advances at amortised cost | Financial assets at amortised cost | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance 2,389  
Ending balance 2,535  
Retail mortgages | Financial assets at amortised cost    
Loans and advances at amortised cost    
Opening balance 4,952  
Ending balance 4,837  
Retail mortgages | Financial assets at amortised cost | Stage 1    
Loans and advances at amortised cost    
Opening balance 4,665  
Ending balance 4,358  
Retail mortgages | Financial assets at amortised cost | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance 136  
Ending balance 278  
Retail mortgages | Financial assets at amortised cost | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance 151  
Ending balance 201  
Retail credit cards | Financial assets at amortised cost    
Loans and advances at amortised cost    
Opening balance 20,527  
Ending balance 20,988  
Retail credit cards | Financial assets at amortised cost | Stage 1    
Loans and advances at amortised cost    
Opening balance 18,406  
Ending balance 18,629  
Retail credit cards | Financial assets at amortised cost | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance 1,740  
Ending balance 1,995  
Retail credit cards | Financial assets at amortised cost | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance 381  
Ending balance 364  
Retail other | Financial assets at amortised cost    
Loans and advances at amortised cost    
Opening balance 4,128  
Ending balance 4,557  
Retail other | Financial assets at amortised cost | Stage 1    
Loans and advances at amortised cost    
Opening balance 3,781  
Ending balance 3,904  
Retail other | Financial assets at amortised cost | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance 260  
Ending balance 504  
Retail other | Financial assets at amortised cost | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance 87  
Ending balance 149  
Corporate loans | Financial assets at amortised cost    
Loans and advances at amortised cost    
Opening balance 121,179  
Ending balance 126,048  
Corporate loans | Financial assets at amortised cost | Stage 1    
Loans and advances at amortised cost    
Opening balance 111,488  
Ending balance 116,478  
Corporate loans | Financial assets at amortised cost | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance 7,921  
Ending balance 7,749  
Corporate loans | Financial assets at amortised cost | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance 1,770  
Ending balance 1,821  
ECL movement on debt securities at amortised cost | Financial assets at amortised cost    
Loans and advances at amortised cost    
Opening balance 55,153  
Ending balance 56,579  
ECL movement on debt securities at amortised cost | Financial assets at amortised cost | Stage 1    
Loans and advances at amortised cost    
Opening balance 54,791  
Ending balance 55,412  
ECL movement on debt securities at amortised cost | Financial assets at amortised cost | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance 362  
Ending balance 1,167  
ECL movement on debt securities at amortised cost | Financial assets at amortised cost | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance 0  
Ending balance 0  
Gross exposure | Total loans and advances at amortised cost | Financial assets at amortised cost    
Loans and advances at amortised cost    
Opening balance 154,403  
Ending balance 160,234  
Gross exposure | Total loans and advances at amortised cost | Financial assets at amortised cost | Stage 1    
Loans and advances at amortised cost    
Opening balance 138,892  
Ending balance 143,941  
Gross exposure | Total loans and advances at amortised cost | Financial assets at amortised cost | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance 11,093  
Ending balance 11,557  
Gross exposure | Total loans and advances at amortised cost | Financial assets at amortised cost | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance 4,418  
Ending balance 4,736  
Gross exposure | Retail mortgages    
Loans and advances at amortised cost    
Opening balance 4,985  
Business activity in the period 286  
Refinements to models used for calculation 0  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes 45  
Final repayments (442)  
Disposals 0  
Write-offs 0  
Ending balance 4,874  
Gross exposure | Retail mortgages | Stage 1    
Loans and advances at amortised cost    
Opening balance 4,674  
Business activity in the period 286  
Refinements to models used for calculation 0  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes 41  
Final repayments (403)  
Disposals 0  
Write-offs 0  
Ending balance 4,366  
Gross exposure | Retail mortgages | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance 136  
Business activity in the period 0  
Refinements to models used for calculation 0  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes 1  
Final repayments (13)  
Disposals 0  
Write-offs 0  
Ending balance 279  
Gross exposure | Retail mortgages | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance 175  
Business activity in the period 0  
Refinements to models used for calculation 0  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes 3  
Final repayments (26)  
Disposals 0  
Write-offs 0  
Ending balance 229  
Gross exposure | Retail mortgages | Transfers from Stage 1 to Stage 2    
Loans and advances at amortised cost    
Transfers 0  
Gross exposure | Retail mortgages | Transfers from Stage 1 to Stage 2 | Stage 1    
Loans and advances at amortised cost    
Transfers (252)  
Gross exposure | Retail mortgages | Transfers from Stage 1 to Stage 2 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers 252  
Gross exposure | Retail mortgages | Transfers from Stage 1 to Stage 2 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Gross exposure | Retail mortgages | Transfers from Stage 2 to Stage 1    
Loans and advances at amortised cost    
Transfers 0  
Gross exposure | Retail mortgages | Transfers from Stage 2 to Stage 1 | Stage 1    
Loans and advances at amortised cost    
Transfers 95  
Gross exposure | Retail mortgages | Transfers from Stage 2 to Stage 1 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers (95)  
Gross exposure | Retail mortgages | Transfers from Stage 2 to Stage 1 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Gross exposure | Retail mortgages | Transfers to Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Gross exposure | Retail mortgages | Transfers to Stage 3 | Stage 1    
Loans and advances at amortised cost    
Transfers (76)  
Gross exposure | Retail mortgages | Transfers to Stage 3 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers (9)  
Gross exposure | Retail mortgages | Transfers to Stage 3 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers 85  
Gross exposure | Retail mortgages | Transfers from Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Gross exposure | Retail mortgages | Transfers from Stage 3 | Stage 1    
Loans and advances at amortised cost    
Transfers 1  
Gross exposure | Retail mortgages | Transfers from Stage 3 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers 7  
Gross exposure | Retail mortgages | Transfers from Stage 3 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers (8)  
Gross exposure | Retail mortgages | Financial assets at amortised cost    
Loans and advances at amortised cost    
Opening balance 4,985  
Ending balance 4,874  
Gross exposure | Retail mortgages | Financial assets at amortised cost | Stage 1    
Loans and advances at amortised cost    
Opening balance 4,674  
Ending balance 4,366  
Gross exposure | Retail mortgages | Financial assets at amortised cost | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance 136  
Ending balance 279  
Gross exposure | Retail mortgages | Financial assets at amortised cost | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance 175  
Ending balance 229  
Gross exposure | Retail credit cards    
Loans and advances at amortised cost    
Opening balance 23,113  
Business activity in the period 908  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes 368  
Final repayments (118)  
Disposals (158)  
Write-offs (478)  
Ending balance 23,635  
Gross exposure | Retail credit cards | Best Egg Inc    
Loans and advances at amortised cost    
Business activity in the period 101  
Gross exposure | Retail credit cards | Stage 1    
Loans and advances at amortised cost    
Opening balance 18,801  
Business activity in the period 859  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes 76  
Final repayments (52)  
Disposals 0  
Write-offs 0  
Ending balance 19,041  
Gross exposure | Retail credit cards | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance 2,536  
Business activity in the period 47  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes 334  
Final repayments (13)  
Disposals 0  
Write-offs 0  
Ending balance 2,780  
Gross exposure | Retail credit cards | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance 1,776  
Business activity in the period 2  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes (42)  
Final repayments (53)  
Disposals (158)  
Write-offs (478)  
Ending balance 1,814  
Gross exposure | Retail credit cards | Transfers from Stage 1 to Stage 2    
Loans and advances at amortised cost    
Transfers 0  
Gross exposure | Retail credit cards | Transfers from Stage 1 to Stage 2 | Stage 1    
Loans and advances at amortised cost    
Transfers (1,284)  
Gross exposure | Retail credit cards | Transfers from Stage 1 to Stage 2 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers 1,284  
Gross exposure | Retail credit cards | Transfers from Stage 1 to Stage 2 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Gross exposure | Retail credit cards | Transfers from Stage 2 to Stage 1    
Loans and advances at amortised cost    
Transfers 0  
Gross exposure | Retail credit cards | Transfers from Stage 2 to Stage 1 | Stage 1    
Loans and advances at amortised cost    
Transfers 881  
Gross exposure | Retail credit cards | Transfers from Stage 2 to Stage 1 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers (881)  
Gross exposure | Retail credit cards | Transfers from Stage 2 to Stage 1 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Gross exposure | Retail credit cards | Transfers to Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Gross exposure | Retail credit cards | Transfers to Stage 3 | Stage 1    
Loans and advances at amortised cost    
Transfers (247)  
Gross exposure | Retail credit cards | Transfers to Stage 3 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers (531)  
Gross exposure | Retail credit cards | Transfers to Stage 3 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers 778  
Gross exposure | Retail credit cards | Transfers from Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Gross exposure | Retail credit cards | Transfers from Stage 3 | Stage 1    
Loans and advances at amortised cost    
Transfers 7  
Gross exposure | Retail credit cards | Transfers from Stage 3 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers 4  
Gross exposure | Retail credit cards | Transfers from Stage 3 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers (11)  
Gross exposure | Retail credit cards | Financial assets at amortised cost    
Loans and advances at amortised cost    
Opening balance 23,113  
Disposals (158)  
Ending balance 23,635  
Gross exposure | Retail credit cards | Financial assets at amortised cost | Stage 1    
Loans and advances at amortised cost    
Opening balance 18,801  
Ending balance 19,041  
Gross exposure | Retail credit cards | Financial assets at amortised cost | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance 2,536  
Ending balance 2,780  
Gross exposure | Retail credit cards | Financial assets at amortised cost | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance 1,776  
Ending balance 1,814  
Gross exposure | Retail other    
Loans and advances at amortised cost    
Opening balance 4,160  
Business activity in the period 885  
Refinements to models used for calculation 0  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes 943  
Final repayments (1,394)  
Disposals 0  
Write-offs (5)  
Ending balance 4,589  
Gross exposure | Retail other | Best Egg Inc    
Loans and advances at amortised cost    
Business activity in the period 122  
Gross exposure | Retail other | Stage 1    
Loans and advances at amortised cost    
Opening balance 3,788  
Business activity in the period 864  
Refinements to models used for calculation 0  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes 595  
Final repayments (1,059)  
Disposals 0  
Write-offs 0  
Ending balance 3,912  
Gross exposure | Retail other | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance 265  
Business activity in the period 20  
Refinements to models used for calculation 0  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes 307  
Final repayments (258)  
Disposals 0  
Write-offs 0  
Ending balance 510  
Gross exposure | Retail other | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance 107  
Business activity in the period 1  
Refinements to models used for calculation 0  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes 41  
Final repayments (77)  
Disposals 0  
Write-offs (5)  
Ending balance 167  
Gross exposure | Retail other | Transfers from Stage 1 to Stage 2    
Loans and advances at amortised cost    
Transfers 0  
Gross exposure | Retail other | Transfers from Stage 1 to Stage 2 | Stage 1    
Loans and advances at amortised cost    
Transfers (273)  
Gross exposure | Retail other | Transfers from Stage 1 to Stage 2 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers 273  
Gross exposure | Retail other | Transfers from Stage 1 to Stage 2 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Gross exposure | Retail other | Transfers from Stage 2 to Stage 1    
Loans and advances at amortised cost    
Transfers 0  
Gross exposure | Retail other | Transfers from Stage 2 to Stage 1 | Stage 1    
Loans and advances at amortised cost    
Transfers 63  
Gross exposure | Retail other | Transfers from Stage 2 to Stage 1 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers (63)  
Gross exposure | Retail other | Transfers from Stage 2 to Stage 1 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Gross exposure | Retail other | Transfers to Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Gross exposure | Retail other | Transfers to Stage 3 | Stage 1    
Loans and advances at amortised cost    
Transfers (66)  
Gross exposure | Retail other | Transfers to Stage 3 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers (40)  
Gross exposure | Retail other | Transfers to Stage 3 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers 106  
Gross exposure | Retail other | Transfers from Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Gross exposure | Retail other | Transfers from Stage 3 | Stage 1    
Loans and advances at amortised cost    
Transfers 0  
Gross exposure | Retail other | Transfers from Stage 3 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers 6  
Gross exposure | Retail other | Transfers from Stage 3 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers (6)  
Gross exposure | Retail other | Financial assets at amortised cost    
Loans and advances at amortised cost    
Opening balance 4,160  
Ending balance 4,589  
Gross exposure | Retail other | Financial assets at amortised cost | Stage 1    
Loans and advances at amortised cost    
Opening balance 3,788  
Ending balance 3,912  
Gross exposure | Retail other | Financial assets at amortised cost | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance 265  
Ending balance 510  
Gross exposure | Retail other | Financial assets at amortised cost | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance 107  
Ending balance 167  
Gross exposure | Corporate loans    
Loans and advances at amortised cost    
Opening balance 122,145  
Business activity in the period 20,535  
Refinements to models used for calculation 0  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes 2,434  
Final repayments (17,654)  
Disposals (15)  
Write-offs (309)  
Ending balance 127,136  
Gross exposure | Corporate loans | Stage 1    
Loans and advances at amortised cost    
Opening balance 111,629  
Business activity in the period 20,368  
Refinements to models used for calculation 0  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes 2,132  
Final repayments (16,779)  
Disposals (15)  
Write-offs 0  
Ending balance 116,622  
Gross exposure | Corporate loans | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance 8,156  
Business activity in the period 158  
Refinements to models used for calculation 0  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes 486  
Final repayments (829)  
Disposals 0  
Write-offs 0  
Ending balance 7,988  
Gross exposure | Corporate loans | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance 2,360  
Business activity in the period 9  
Refinements to models used for calculation 0  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes (184)  
Final repayments (46)  
Disposals 0  
Write-offs (309)  
Ending balance 2,526  
Gross exposure | Corporate loans | Transfers from Stage 1 to Stage 2    
Loans and advances at amortised cost    
Transfers 0  
Gross exposure | Corporate loans | Transfers from Stage 1 to Stage 2 | Stage 1    
Loans and advances at amortised cost    
Transfers (1,827)  
Gross exposure | Corporate loans | Transfers from Stage 1 to Stage 2 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers 1,827  
Gross exposure | Corporate loans | Transfers from Stage 1 to Stage 2 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Gross exposure | Corporate loans | Transfers from Stage 2 to Stage 1    
Loans and advances at amortised cost    
Transfers 0  
Gross exposure | Corporate loans | Transfers from Stage 2 to Stage 1 | Stage 1    
Loans and advances at amortised cost    
Transfers 1,647  
Gross exposure | Corporate loans | Transfers from Stage 2 to Stage 1 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers (1,647)  
Gross exposure | Corporate loans | Transfers from Stage 2 to Stage 1 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Gross exposure | Corporate loans | Transfers to Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Gross exposure | Corporate loans | Transfers to Stage 3 | Stage 1    
Loans and advances at amortised cost    
Transfers (617)  
Gross exposure | Corporate loans | Transfers to Stage 3 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers (186)  
Gross exposure | Corporate loans | Transfers to Stage 3 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers 803  
Gross exposure | Corporate loans | Transfers from Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Gross exposure | Corporate loans | Transfers from Stage 3 | Stage 1    
Loans and advances at amortised cost    
Transfers 84  
Gross exposure | Corporate loans | Transfers from Stage 3 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers 23  
Gross exposure | Corporate loans | Transfers from Stage 3 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers (107)  
Gross exposure | Corporate loans | Financial assets at amortised cost    
Loans and advances at amortised cost    
Opening balance 122,145  
Disposals (15)  
Ending balance 127,136  
Gross exposure | Corporate loans | Financial assets at amortised cost | Stage 1    
Loans and advances at amortised cost    
Opening balance 111,629  
Ending balance 116,622  
Gross exposure | Corporate loans | Financial assets at amortised cost | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance 8,156  
Ending balance 7,988  
Gross exposure | Corporate loans | Financial assets at amortised cost | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance 2,360  
Ending balance 2,526  
Gross exposure | ECL movement on other financial assets    
Loans and advances at amortised cost    
Opening balance 186,100  
Ending balance 246,100  
Gross exposure | ECL movement on other financial assets | Stage 1    
Loans and advances at amortised cost    
Opening balance 184,400  
Ending balance 245,200  
Gross exposure | ECL movement on other financial assets | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance 1,600  
Ending balance 800  
Gross exposure | ECL movement on other financial assets | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance 123  
Ending balance 124  
Gross exposure | ECL movement on debt securities at amortised cost | Financial assets at amortised cost    
Loans and advances at amortised cost    
Opening balance 55,172  
Ending balance 56,595  
Gross exposure | ECL movement on debt securities at amortised cost | Financial assets at amortised cost | Stage 1    
Loans and advances at amortised cost    
Opening balance 54,801  
Ending balance 55,419  
Gross exposure | ECL movement on debt securities at amortised cost | Financial assets at amortised cost | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance 371  
Ending balance 1,176  
Gross exposure | ECL movement on debt securities at amortised cost | Financial assets at amortised cost | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance 0  
Ending balance 0  
Impairment allowance    
Reconciliation of ECL movement to impairment charges for the period    
Recoveries and reimbursements (82)  
ECL charge on assets held for sale 50  
Total exchange and other adjustments (36)  
Impairment allowance | Stage 1    
Reconciliation of ECL movement to impairment charges for the period    
Recoveries and reimbursements (12)  
Impairment allowance | Lifetime expected credit losses | Stage 2    
Reconciliation of ECL movement to impairment charges for the period    
Recoveries and reimbursements (8)  
Impairment allowance | Lifetime expected credit losses | Stage 3    
Reconciliation of ECL movement to impairment charges for the period    
Recoveries and reimbursements (62)  
Impairment allowance | Total loans and advances at amortised cost    
Reconciliation of ECL movement to impairment charges for the period    
ECL movement 1,114  
Impairment allowance | Total loans and advances at amortised cost | Stage 1    
Reconciliation of ECL movement to impairment charges for the period    
ECL movement 21  
Impairment allowance | Total loans and advances at amortised cost | Lifetime expected credit losses | Stage 2    
Reconciliation of ECL movement to impairment charges for the period    
ECL movement (5)  
Impairment allowance | Total loans and advances at amortised cost | Lifetime expected credit losses | Stage 3    
Reconciliation of ECL movement to impairment charges for the period    
ECL movement 1,098  
Impairment allowance | Total loans and advances at amortised cost | Financial assets at amortised cost    
Loans and advances at amortised cost    
Opening balance (3,617)  
Ending balance (3,804)  
Impairment allowance | Total loans and advances at amortised cost | Financial assets at amortised cost | Stage 1    
Loans and advances at amortised cost    
Opening balance (552)  
Ending balance (572)  
Impairment allowance | Total loans and advances at amortised cost | Financial assets at amortised cost | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance (1,036)  
Ending balance (1,031)  
Impairment allowance | Total loans and advances at amortised cost | Financial assets at amortised cost | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance (2,029)  
Ending balance (2,201)  
Impairment allowance | Retail mortgages    
Loans and advances at amortised cost    
Opening balance (33)  
Business activity in the period (1)  
Refinements to models used for calculation 1  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes (5)  
Final repayments 1  
Disposals 0  
Write-offs 0  
Ending balance (37)  
Reconciliation of ECL movement to impairment charges for the period    
ECL movement 4  
Impairment allowance | Retail mortgages | Stage 1    
Loans and advances at amortised cost    
Opening balance (9)  
Business activity in the period (1)  
Refinements to models used for calculation 2  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes 0  
Final repayments 0  
Disposals 0  
Write-offs 0  
Ending balance (8)  
Reconciliation of ECL movement to impairment charges for the period    
ECL movement (1)  
Impairment allowance | Retail mortgages | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance 0  
Business activity in the period 0  
Refinements to models used for calculation 0  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes (1)  
Final repayments 0  
Disposals 0  
Write-offs 0  
Ending balance (1)  
Reconciliation of ECL movement to impairment charges for the period    
ECL movement 1  
Impairment allowance | Retail mortgages | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance (24)  
Business activity in the period 0  
Refinements to models used for calculation (1)  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes (4)  
Final repayments 1  
Disposals 0  
Write-offs 0  
Ending balance (28)  
Reconciliation of ECL movement to impairment charges for the period    
ECL movement 4  
Impairment allowance | Retail mortgages | Transfers from Stage 1 to Stage 2    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail mortgages | Transfers from Stage 1 to Stage 2 | Stage 1    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail mortgages | Transfers from Stage 1 to Stage 2 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail mortgages | Transfers from Stage 1 to Stage 2 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail mortgages | Transfers from Stage 2 to Stage 1    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail mortgages | Transfers from Stage 2 to Stage 1 | Stage 1    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail mortgages | Transfers from Stage 2 to Stage 1 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail mortgages | Transfers from Stage 2 to Stage 1 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail mortgages | Transfers to Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail mortgages | Transfers to Stage 3 | Stage 1    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail mortgages | Transfers to Stage 3 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail mortgages | Transfers to Stage 3 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail mortgages | Transfers from Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail mortgages | Transfers from Stage 3 | Stage 1    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail mortgages | Transfers from Stage 3 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail mortgages | Transfers from Stage 3 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail mortgages | Financial assets at amortised cost    
Loans and advances at amortised cost    
Opening balance (33)  
Ending balance (37)  
Impairment allowance | Retail mortgages | Financial assets at amortised cost | Stage 1    
Loans and advances at amortised cost    
Opening balance (9)  
Ending balance (8)  
Impairment allowance | Retail mortgages | Financial assets at amortised cost | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance 0  
Ending balance (1)  
Impairment allowance | Retail mortgages | Financial assets at amortised cost | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance (24)  
Ending balance (28)  
Impairment allowance | Retail credit cards    
Loans and advances at amortised cost    
Opening balance (2,586)  
Business activity in the period (56)  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes (670)  
Final repayments 53  
Disposals 134  
Write-offs 478  
Ending balance (2,647)  
Reconciliation of ECL movement to impairment charges for the period    
ECL movement 673  
Impairment allowance | Retail credit cards | Stage 1    
Loans and advances at amortised cost    
Opening balance (395)  
Business activity in the period (41)  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes 200  
Final repayments 4  
Disposals 0  
Write-offs 0  
Ending balance (412)  
Reconciliation of ECL movement to impairment charges for the period    
ECL movement 17  
Impairment allowance | Retail credit cards | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance (796)  
Business activity in the period (14)  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes (431)  
Final repayments 5  
Disposals 0  
Write-offs 0  
Ending balance (785)  
Reconciliation of ECL movement to impairment charges for the period    
ECL movement (11)  
Impairment allowance | Retail credit cards | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance (1,395)  
Business activity in the period (1)  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes (439)  
Final repayments 44  
Disposals 134  
Write-offs 478  
Ending balance (1,450)  
Reconciliation of ECL movement to impairment charges for the period    
ECL movement 667  
Impairment allowance | Retail credit cards | Transfers from Stage 1 to Stage 2    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail credit cards | Transfers from Stage 1 to Stage 2 | Stage 1    
Loans and advances at amortised cost    
Transfers 45  
Impairment allowance | Retail credit cards | Transfers from Stage 1 to Stage 2 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers (45)  
Impairment allowance | Retail credit cards | Transfers from Stage 1 to Stage 2 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail credit cards | Transfers from Stage 2 to Stage 1    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail credit cards | Transfers from Stage 2 to Stage 1 | Stage 1    
Loans and advances at amortised cost    
Transfers (231)  
Impairment allowance | Retail credit cards | Transfers from Stage 2 to Stage 1 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers 231  
Impairment allowance | Retail credit cards | Transfers from Stage 2 to Stage 1 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail credit cards | Transfers to Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail credit cards | Transfers to Stage 3 | Stage 1    
Loans and advances at amortised cost    
Transfers 12  
Impairment allowance | Retail credit cards | Transfers to Stage 3 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers 267  
Impairment allowance | Retail credit cards | Transfers to Stage 3 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers (279)  
Impairment allowance | Retail credit cards | Transfers from Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail credit cards | Transfers from Stage 3 | Stage 1    
Loans and advances at amortised cost    
Transfers (6)  
Impairment allowance | Retail credit cards | Transfers from Stage 3 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers (2)  
Impairment allowance | Retail credit cards | Transfers from Stage 3 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers 8  
Impairment allowance | Retail credit cards | Financial assets at amortised cost    
Loans and advances at amortised cost    
Opening balance (2,586)  
Ending balance (2,647)  
Impairment allowance | Retail credit cards | Financial assets at amortised cost | Stage 1    
Loans and advances at amortised cost    
Opening balance (395)  
Ending balance (412)  
Impairment allowance | Retail credit cards | Financial assets at amortised cost | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance (796)  
Ending balance (785)  
Impairment allowance | Retail credit cards | Financial assets at amortised cost | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance (1,395)  
Ending balance (1,450)  
Impairment allowance | Retail other    
Loans and advances at amortised cost    
Opening balance (32)  
Business activity in the period (2)  
Refinements to models used for calculation 2  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes (8)  
Final repayments 3  
Disposals 0  
Write-offs 5  
Ending balance (32)  
Reconciliation of ECL movement to impairment charges for the period    
ECL movement 5  
Impairment allowance | Retail other | Stage 1    
Loans and advances at amortised cost    
Opening balance (7)  
Business activity in the period (2)  
Refinements to models used for calculation 2  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes (4)  
Final repayments 3  
Disposals 0  
Write-offs 0  
Ending balance (8)  
Reconciliation of ECL movement to impairment charges for the period    
ECL movement 1  
Impairment allowance | Retail other | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance (5)  
Business activity in the period 0  
Refinements to models used for calculation 0  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes (1)  
Final repayments 0  
Disposals 0  
Write-offs 0  
Ending balance (6)  
Reconciliation of ECL movement to impairment charges for the period    
ECL movement 1  
Impairment allowance | Retail other | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance (20)  
Business activity in the period 0  
Refinements to models used for calculation 0  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes (3)  
Final repayments 0  
Disposals 0  
Write-offs 5  
Ending balance (18)  
Reconciliation of ECL movement to impairment charges for the period    
ECL movement 3  
Impairment allowance | Retail other | Transfers from Stage 1 to Stage 2    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail other | Transfers from Stage 1 to Stage 2 | Stage 1    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail other | Transfers from Stage 1 to Stage 2 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail other | Transfers from Stage 1 to Stage 2 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail other | Transfers from Stage 2 to Stage 1    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail other | Transfers from Stage 2 to Stage 1 | Stage 1    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail other | Transfers from Stage 2 to Stage 1 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail other | Transfers from Stage 2 to Stage 1 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail other | Transfers to Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail other | Transfers to Stage 3 | Stage 1    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail other | Transfers to Stage 3 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail other | Transfers to Stage 3 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail other | Transfers from Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail other | Transfers from Stage 3 | Stage 1    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail other | Transfers from Stage 3 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail other | Transfers from Stage 3 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Retail other | Financial assets at amortised cost    
Loans and advances at amortised cost    
Opening balance (32)  
Ending balance (32)  
Impairment allowance | Retail other | Financial assets at amortised cost | Stage 1    
Loans and advances at amortised cost    
Opening balance (7)  
Ending balance (8)  
Impairment allowance | Retail other | Financial assets at amortised cost | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance (5)  
Ending balance (6)  
Impairment allowance | Retail other | Financial assets at amortised cost | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance (20)  
Ending balance (18)  
Impairment allowance | Corporate loans    
Loans and advances at amortised cost    
Opening balance (966)  
Business activity in the period (37)  
Refinements to models used for calculation 0  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes (436)  
Final repayments 41  
Disposals 1  
Write-offs 309  
Ending balance (1,088)  
Reconciliation of ECL movement to impairment charges for the period    
ECL movement 432  
Impairment allowance | Corporate loans | Stage 1    
Loans and advances at amortised cost    
Opening balance (141)  
Business activity in the period (19)  
Refinements to models used for calculation 2  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes 13  
Final repayments 14  
Disposals 1  
Write-offs 0  
Ending balance (144)  
Reconciliation of ECL movement to impairment charges for the period    
ECL movement 4  
Impairment allowance | Corporate loans | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance (235)  
Business activity in the period (10)  
Refinements to models used for calculation (1)  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes (43)  
Final repayments 24  
Disposals 0  
Write-offs 0  
Ending balance (239)  
Reconciliation of ECL movement to impairment charges for the period    
ECL movement 4  
Impairment allowance | Corporate loans | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance (590)  
Business activity in the period (8)  
Refinements to models used for calculation (1)  
Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes (406)  
Final repayments 3  
Disposals 0  
Write-offs 309  
Ending balance (705)  
Reconciliation of ECL movement to impairment charges for the period    
ECL movement 424  
Impairment allowance | Corporate loans | Transfers from Stage 1 to Stage 2    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Corporate loans | Transfers from Stage 1 to Stage 2 | Stage 1    
Loans and advances at amortised cost    
Transfers 8  
Impairment allowance | Corporate loans | Transfers from Stage 1 to Stage 2 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers (8)  
Impairment allowance | Corporate loans | Transfers from Stage 1 to Stage 2 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Corporate loans | Transfers from Stage 2 to Stage 1    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Corporate loans | Transfers from Stage 2 to Stage 1 | Stage 1    
Loans and advances at amortised cost    
Transfers (21)  
Impairment allowance | Corporate loans | Transfers from Stage 2 to Stage 1 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers 21  
Impairment allowance | Corporate loans | Transfers from Stage 2 to Stage 1 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Corporate loans | Transfers to Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Corporate loans | Transfers to Stage 3 | Stage 1    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Corporate loans | Transfers to Stage 3 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers 17  
Impairment allowance | Corporate loans | Transfers to Stage 3 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers (17)  
Impairment allowance | Corporate loans | Transfers from Stage 3    
Loans and advances at amortised cost    
Transfers 0  
Impairment allowance | Corporate loans | Transfers from Stage 3 | Stage 1    
Loans and advances at amortised cost    
Transfers (1)  
Impairment allowance | Corporate loans | Transfers from Stage 3 | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Transfers (4)  
Impairment allowance | Corporate loans | Transfers from Stage 3 | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Transfers 5  
Impairment allowance | Corporate loans | Financial assets at amortised cost    
Loans and advances at amortised cost    
Opening balance (966)  
Ending balance (1,088)  
Impairment allowance | Corporate loans | Financial assets at amortised cost | Stage 1    
Loans and advances at amortised cost    
Opening balance (141)  
Ending balance (144)  
Impairment allowance | Corporate loans | Financial assets at amortised cost | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance (235)  
Ending balance (239)  
Impairment allowance | Corporate loans | Financial assets at amortised cost | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance (590)  
Ending balance (705)  
Impairment allowance | ECL movement on loan commitments and other financial guarantees    
Reconciliation of ECL movement to impairment charges for the period    
ECL movement 12  
Impairment allowance | ECL movement on loan commitments and other financial guarantees | Stage 1    
Reconciliation of ECL movement to impairment charges for the period    
ECL movement 10  
Impairment allowance | ECL movement on loan commitments and other financial guarantees | Lifetime expected credit losses | Stage 2    
Reconciliation of ECL movement to impairment charges for the period    
ECL movement (3)  
Impairment allowance | ECL movement on loan commitments and other financial guarantees | Lifetime expected credit losses | Stage 3    
Reconciliation of ECL movement to impairment charges for the period    
ECL movement 5  
Impairment allowance | ECL movement on other financial assets    
Loans and advances at amortised cost    
Opening balance (145)  
Ending balance (147)  
Reconciliation of ECL movement to impairment charges for the period    
ECL movement 2  
Impairment allowance | ECL movement on other financial assets | Stage 1    
Loans and advances at amortised cost    
Opening balance (17)  
Ending balance (16)  
Reconciliation of ECL movement to impairment charges for the period    
ECL movement (1)  
Impairment allowance | ECL movement on other financial assets | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance (8)  
Ending balance (10)  
Reconciliation of ECL movement to impairment charges for the period    
ECL movement 2  
Impairment allowance | ECL movement on other financial assets | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance (120)  
Ending balance (121)  
Reconciliation of ECL movement to impairment charges for the period    
ECL movement 1  
Impairment allowance | ECL movement on debt securities at amortised cost    
Reconciliation of ECL movement to impairment charges for the period    
ECL movement (3)  
Impairment allowance | ECL movement on debt securities at amortised cost | Stage 1    
Reconciliation of ECL movement to impairment charges for the period    
ECL movement (3)  
Impairment allowance | ECL movement on debt securities at amortised cost | Lifetime expected credit losses | Stage 2    
Reconciliation of ECL movement to impairment charges for the period    
ECL movement 0  
Impairment allowance | ECL movement on debt securities at amortised cost | Lifetime expected credit losses | Stage 3    
Reconciliation of ECL movement to impairment charges for the period    
ECL movement 0  
Impairment allowance | ECL movement on debt securities at amortised cost | Financial assets at amortised cost    
Loans and advances at amortised cost    
Opening balance (19)  
Ending balance (16)  
Impairment allowance | ECL movement on debt securities at amortised cost | Financial assets at amortised cost | Stage 1    
Loans and advances at amortised cost    
Opening balance (10)  
Ending balance (7)  
Impairment allowance | ECL movement on debt securities at amortised cost | Financial assets at amortised cost | Lifetime expected credit losses | Stage 2    
Loans and advances at amortised cost    
Opening balance (9)  
Ending balance (9)  
Impairment allowance | ECL movement on debt securities at amortised cost | Financial assets at amortised cost | Lifetime expected credit losses | Stage 3    
Loans and advances at amortised cost    
Opening balance 0  
Ending balance £ 0