| r0.C0010 | boe_a3087.root/Sterling | | | | eba_CU:GBP | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| r0.C0020 | boe_a3087.root/Euro | | | | eba_CU:EUR | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| r0.C0030 | boe_a3087.root/Other currencies | | | | boe_eba_CU:x9001 | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| R0008.C0010 | Liabilities/Sterling | | | | eba_CU:GBP | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| R0008.C0020 | Liabilities/Euro | | | | eba_CU:EUR | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| R0008.C0030 | Liabilities/Other currencies | | | | boe_eba_CU:x9001 | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| R0009.C0010 | Borrowing from/Sterling | | | | eba_CU:GBP | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| R0009.C0020 | Borrowing from/Euro | | | | eba_CU:EUR | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| R0009.C0030 | Borrowing from/Other currencies | | | | boe_eba_CU:x9001 | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| R0010.C0010 | Banks in the UK/Sterling | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | eba_BA:x7 | N/A | boe_eba_CT:x9055 | boe_eba_MC:x9242 | N/A | boe_eba_MC:x9394 | eba_GA:GB |
| R0010.C0020 | Banks in the UK/Euro | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | eba_BA:x7 | N/A | boe_eba_CT:x9055 | boe_eba_MC:x9242 | N/A | boe_eba_MC:x9394 | eba_GA:GB |
| R0010.C0030 | Banks in the UK/Other currencies | boe_met:mi8001 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | eba_BA:x7 | N/A | boe_eba_CT:x9055 | boe_eba_MC:x9242 | N/A | boe_eba_MC:x9394 | eba_GA:GB |
| R0020.C0010 | Building societies in the UK/Sterling | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | eba_BA:x7 | N/A | boe_eba_CT:x9003 | boe_eba_MC:x9242 | N/A | boe_eba_MC:x9394 | eba_GA:GB |
| R0020.C0020 | Building societies in the UK/Euro | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | eba_BA:x7 | N/A | boe_eba_CT:x9003 | boe_eba_MC:x9242 | N/A | boe_eba_MC:x9394 | eba_GA:GB |
| R0020.C0030 | Building societies in the UK/Other currencies | boe_met:mi8001 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | eba_BA:x7 | N/A | boe_eba_CT:x9003 | boe_eba_MC:x9242 | N/A | boe_eba_MC:x9394 | eba_GA:GB |
| R0060.C0010 | Other financial corporations in the UK/Sterling | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | eba_BA:x7 | N/A | boe_eba_CT:x9005 | boe_eba_MC:x9242 | N/A | boe_eba_MC:x9394 | eba_GA:GB |
| R0060.C0020 | Other financial corporations in the UK/Euro | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | eba_BA:x7 | N/A | boe_eba_CT:x9005 | boe_eba_MC:x9242 | N/A | boe_eba_MC:x9394 | eba_GA:GB |
| R0060.C0030 | Other financial corporations in the UK/Other currencies | boe_met:mi8001 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | eba_BA:x7 | N/A | boe_eba_CT:x9005 | boe_eba_MC:x9242 | N/A | boe_eba_MC:x9394 | eba_GA:GB |
| R0070.C0010 | Non-financial corporations in the UK/Sterling | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | eba_BA:x7 | N/A | boe_eba_CT:x9024 | boe_eba_MC:x9242 | N/A | boe_eba_MC:x9394 | eba_GA:GB |
| R0070.C0020 | Non-financial corporations in the UK/Euro | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | eba_BA:x7 | N/A | boe_eba_CT:x9024 | boe_eba_MC:x9242 | N/A | boe_eba_MC:x9394 | eba_GA:GB |
| R0070.C0030 | Non-financial corporations in the UK/Other currencies | boe_met:mi8001 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | eba_BA:x7 | N/A | boe_eba_CT:x9024 | boe_eba_MC:x9242 | N/A | boe_eba_MC:x9394 | eba_GA:GB |
| R0080.C0010 | UK public sector/Sterling | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | eba_BA:x7 | N/A | boe_eba_CT:x9023 | boe_eba_MC:x9242 | N/A | boe_eba_MC:x9394 | eba_GA:GB |
| R0080.C0020 | UK public sector/Euro | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | eba_BA:x7 | N/A | boe_eba_CT:x9023 | boe_eba_MC:x9242 | N/A | boe_eba_MC:x9394 | eba_GA:GB |
| R0080.C0030 | UK public sector/Other currencies | boe_met:mi8001 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | eba_BA:x7 | N/A | boe_eba_CT:x9023 | boe_eba_MC:x9242 | N/A | boe_eba_MC:x9394 | eba_GA:GB |
| R0090.C0010 | Other UK residents/Sterling | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | eba_BA:x7 | N/A | boe_eba_CT:x9025 | boe_eba_MC:x9242 | N/A | boe_eba_MC:x9394 | eba_GA:GB |
| R0090.C0020 | Other UK residents/Euro | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | eba_BA:x7 | N/A | boe_eba_CT:x9025 | boe_eba_MC:x9242 | N/A | boe_eba_MC:x9394 | eba_GA:GB |
| R0090.C0030 | Other UK residents/Other currencies | boe_met:mi8001 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | eba_BA:x7 | N/A | boe_eba_CT:x9025 | boe_eba_MC:x9242 | N/A | boe_eba_MC:x9394 | eba_GA:GB |
| R0110.C0010 | Non-residents/Sterling | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | eba_BA:x7 | N/A | N/A | boe_eba_MC:x9242 | N/A | boe_eba_MC:x9394 | boe_eba_GA:x9001 |
| R0110.C0020 | Non-residents/Euro | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | eba_BA:x7 | N/A | N/A | boe_eba_MC:x9242 | N/A | boe_eba_MC:x9394 | boe_eba_GA:x9001 |
| R0110.C0030 | Non-residents/Other currencies | boe_met:mi8001 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | eba_BA:x7 | N/A | N/A | boe_eba_MC:x9242 | N/A | boe_eba_MC:x9394 | boe_eba_GA:x9001 |
| R0120.C0010 | Commercial paper/Sterling | eba_met:mi357 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | eba_BA:x7 | N/A | N/A | boe_eba_MC:x5080 | N/A | eba_MC:x146 | N/A |
| R0120.C0020 | Commercial paper/Euro | eba_met:mi357 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | eba_BA:x7 | N/A | N/A | boe_eba_MC:x5080 | N/A | eba_MC:x146 | N/A |
| R0120.C0030 | Commercial paper/Other currencies | eba_met:mi357 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | eba_BA:x7 | N/A | N/A | boe_eba_MC:x5080 | N/A | eba_MC:x146 | N/A |
| R0140.C0010 | Bonds, notes, other instruments/Sterling | eba_met:mi357 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | eba_BA:x7 | N/A | N/A | boe_eba_MC:x9307 | N/A | eba_MC:x146 | N/A |
| R0140.C0020 | Bonds, notes, other instruments/Euro | eba_met:mi357 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | eba_BA:x7 | N/A | N/A | boe_eba_MC:x9307 | N/A | eba_MC:x146 | N/A |
| R0140.C0030 | Bonds, notes, other instruments/Other currencies | eba_met:mi357 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | eba_BA:x7 | N/A | N/A | boe_eba_MC:x9307 | N/A | eba_MC:x146 | N/A |
| R0150.C0010 | Other liabilities/Sterling | boe_met:mi9101 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | boe_eba_BA:x9002 | N/A | N/A | boe_eba_MC:x9369 | N/A | boe_eba_MC:x9368 | N/A |
| R0150.C0020 | Other liabilities/Euro | boe_met:mi9101 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | boe_eba_BA:x9002 | N/A | N/A | boe_eba_MC:x9369 | N/A | boe_eba_MC:x9368 | N/A |
| R0150.C0030 | Other liabilities/Other currencies | boe_met:mi9101 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | boe_eba_BA:x9002 | N/A | N/A | boe_eba_MC:x9369 | N/A | boe_eba_MC:x9368 | N/A |
| R0160.C0010 | Capital and other funds/Sterling | boe_met:mi9101 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | boe_eba_BA:x9002 | N/A | N/A | boe_eba_MC:x9366 | N/A | boe_eba_MC:x9363 | N/A |
| R0160.C0020 | Capital and other funds/Euro | boe_met:mi9101 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | boe_eba_BA:x9002 | N/A | N/A | boe_eba_MC:x9366 | N/A | boe_eba_MC:x9363 | N/A |
| R0160.C0030 | Capital and other funds/Other currencies | boe_met:mi9101 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | boe_eba_BA:x9002 | N/A | N/A | boe_eba_MC:x9366 | N/A | boe_eba_MC:x9363 | N/A |
| R0170.C0010 | Liabilities not elsewhere included/Sterling | boe_met:mi9101 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | eba_BA:x7 | N/A | N/A | boe_eba_MC:x9198 | N/A | boe_eba_MC:x9364 | N/A |
| R0170.C0020 | Liabilities not elsewhere included/Euro | boe_met:mi9101 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | eba_BA:x7 | N/A | N/A | boe_eba_MC:x9198 | N/A | boe_eba_MC:x9364 | N/A |
| R0170.C0030 | Liabilities not elsewhere included/Other currencies | boe_met:mi9101 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | eba_BA:x7 | N/A | N/A | boe_eba_MC:x9198 | N/A | boe_eba_MC:x9364 | N/A |
| R0180.C0010 | TOTAL LIABILITIES (equals TOTAL ASSETS)/Sterling | boe_met:mi9101 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | boe_eba_BA:x9002 | N/A | N/A | N/A | N/A | boe_eba_MC:x9397 | N/A |
| R0180.C0020 | TOTAL LIABILITIES (equals TOTAL ASSETS)/Euro | boe_met:mi9101 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | boe_eba_BA:x9002 | N/A | N/A | N/A | N/A | boe_eba_MC:x9397 | N/A |
| R0180.C0030 | TOTAL LIABILITIES (equals TOTAL ASSETS)/Other currencies | boe_met:mi9101 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | boe_eba_BA:x9002 | N/A | N/A | N/A | N/A | boe_eba_MC:x9397 | N/A |
| R0188.C0010 | Assets/Sterling | | | | eba_CU:GBP | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| R0188.C0020 | Assets/Euro | | | | eba_CU:EUR | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| R0188.C0030 | Assets/Other currencies | | | | boe_eba_CU:x9001 | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| R0189.C0010 | Loans and advances/Sterling | | | | eba_CU:GBP | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| R0189.C0020 | Loans and advances/Euro | | | | eba_CU:EUR | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| R0189.C0030 | Loans and advances/Other currencies | | | | boe_eba_CU:x9001 | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| R0190.C0010 | Banks in the UK/Sterling | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | eba_BA:x6 | N/A | boe_eba_CT:x9055 | boe_eba_MC:x9343 | N/A | eba_MC:x469 | eba_GA:GB |
| R0190.C0020 | Banks in the UK/Euro | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | eba_BA:x6 | N/A | boe_eba_CT:x9055 | boe_eba_MC:x9343 | N/A | eba_MC:x469 | eba_GA:GB |
| R0190.C0030 | Banks in the UK/Other currencies | boe_met:mi8001 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | eba_BA:x6 | N/A | boe_eba_CT:x9055 | boe_eba_MC:x9343 | N/A | eba_MC:x469 | eba_GA:GB |
| R0200.C0010 | Building societies in the UK/Sterling | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | eba_BA:x6 | N/A | boe_eba_CT:x9003 | boe_eba_MC:x9343 | N/A | eba_MC:x469 | eba_GA:GB |
| R0200.C0020 | Building societies in the UK/Euro | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | eba_BA:x6 | N/A | boe_eba_CT:x9003 | boe_eba_MC:x9343 | N/A | eba_MC:x469 | eba_GA:GB |
| R0200.C0030 | Building societies in the UK/Other currencies | boe_met:mi8001 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | eba_BA:x6 | N/A | boe_eba_CT:x9003 | boe_eba_MC:x9343 | N/A | eba_MC:x469 | eba_GA:GB |
| R0210.C0010 | Other financial corporations in the UK/Sterling | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | eba_BA:x6 | N/A | boe_eba_CT:x9005 | boe_eba_MC:x9343 | N/A | eba_MC:x469 | eba_GA:GB |
| R0210.C0020 | Other financial corporations in the UK/Euro | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | eba_BA:x6 | N/A | boe_eba_CT:x9005 | boe_eba_MC:x9343 | N/A | eba_MC:x469 | eba_GA:GB |
| R0210.C0030 | Other financial corporations in the UK/Other currencies | boe_met:mi8001 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | eba_BA:x6 | N/A | boe_eba_CT:x9005 | boe_eba_MC:x9343 | N/A | eba_MC:x469 | eba_GA:GB |
| R0220.C0010 | Non-financial corporations in the UK/Sterling | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | eba_BA:x6 | N/A | boe_eba_CT:x9150 | boe_eba_MC:x9343 | N/A | eba_MC:x469 | eba_GA:GB |
| R0220.C0020 | Non-financial corporations in the UK/Euro | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | eba_BA:x6 | N/A | boe_eba_CT:x9150 | boe_eba_MC:x9343 | N/A | eba_MC:x469 | eba_GA:GB |
| R0220.C0030 | Non-financial corporations in the UK/Other currencies | boe_met:mi8001 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | eba_BA:x6 | N/A | boe_eba_CT:x9150 | boe_eba_MC:x9343 | N/A | eba_MC:x469 | eba_GA:GB |
| R0230.C0010 | UK public sector/Sterling | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | eba_BA:x6 | N/A | boe_eba_CT:x9023 | boe_eba_MC:x9343 | N/A | eba_MC:x469 | eba_GA:GB |
| R0230.C0020 | UK public sector/Euro | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | eba_BA:x6 | N/A | boe_eba_CT:x9023 | boe_eba_MC:x9343 | N/A | eba_MC:x469 | eba_GA:GB |
| R0230.C0030 | UK public sector/Other currencies | boe_met:mi8001 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | eba_BA:x6 | N/A | boe_eba_CT:x9023 | boe_eba_MC:x9343 | N/A | eba_MC:x469 | eba_GA:GB |
| R0240.C0010 | Other UK residents/Sterling | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | eba_BA:x6 | N/A | boe_eba_CT:x9151 | boe_eba_MC:x9343 | N/A | eba_MC:x469 | eba_GA:GB |
| R0240.C0020 | Other UK residents/Euro | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | eba_BA:x6 | N/A | boe_eba_CT:x9151 | boe_eba_MC:x9343 | N/A | eba_MC:x469 | eba_GA:GB |
| R0240.C0030 | Other UK residents/Other currencies | boe_met:mi8001 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | eba_BA:x6 | N/A | boe_eba_CT:x9151 | boe_eba_MC:x9343 | N/A | eba_MC:x469 | eba_GA:GB |
| R0250.C0010 | of which: Individ.and individ.trusts: Secured on residential property/Sterling | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:GBP | boe_eba_IM:x5011 | boe_eba_PU:x9002 | eba_BA:x6 | eba_CG:x21 | boe_eba_CT:x9026 | boe_eba_MC:x9349 | eba_MC:x294 | eba_MC:x469 | eba_GA:GB |
| R0250.C0020 | of which: Individ.and individ.trusts: Secured on residential property/Euro | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:EUR | boe_eba_IM:x5011 | boe_eba_PU:x9002 | eba_BA:x6 | eba_CG:x21 | boe_eba_CT:x9026 | boe_eba_MC:x9349 | eba_MC:x294 | eba_MC:x469 | eba_GA:GB |
| R0250.C0030 | of which: Individ.and individ.trusts: Secured on residential property/Other currencies | boe_met:mi8001 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | boe_eba_IM:x5011 | boe_eba_PU:x9002 | eba_BA:x6 | eba_CG:x21 | boe_eba_CT:x9026 | boe_eba_MC:x9349 | eba_MC:x294 | eba_MC:x469 | eba_GA:GB |
| R0260.C0010 | Other/Sterling | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | eba_BA:x6 | N/A | boe_eba_CT:x9025 | boe_eba_MC:x9343 | N/A | eba_MC:x469 | eba_GA:GB |
| R0260.C0020 | Other/Euro | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | eba_BA:x6 | N/A | boe_eba_CT:x9025 | boe_eba_MC:x9343 | N/A | eba_MC:x469 | eba_GA:GB |
| R0260.C0030 | Other/Other currencies | boe_met:mi8001 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | eba_BA:x6 | N/A | boe_eba_CT:x9025 | boe_eba_MC:x9343 | N/A | eba_MC:x469 | eba_GA:GB |
| R0270.C0010 | of which other mortgages/Sterling | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:GBP | boe_eba_IM:x5012 | boe_eba_PU:x9002 | eba_BA:x6 | eba_CG:x21 | boe_eba_CT:x9025 | boe_eba_MC:x9351 | eba_MC:x294 | eba_MC:x469 | eba_GA:GB |
| R0270.C0020 | of which other mortgages/Euro | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:EUR | boe_eba_IM:x5012 | boe_eba_PU:x9002 | eba_BA:x6 | eba_CG:x21 | boe_eba_CT:x9025 | boe_eba_MC:x9351 | eba_MC:x294 | eba_MC:x469 | eba_GA:GB |
| R0270.C0030 | of which other mortgages/Other currencies | boe_met:mi8001 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | boe_eba_IM:x5012 | boe_eba_PU:x9002 | eba_BA:x6 | eba_CG:x21 | boe_eba_CT:x9025 | boe_eba_MC:x9351 | eba_MC:x294 | eba_MC:x469 | eba_GA:GB |
| R0280.C0010 | of which other loans/Sterling | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | eba_BA:x6 | N/A | boe_eba_CT:x9025 | boe_eba_MC:x9343 | boe_eba_MC:x9116 | eba_MC:x469 | eba_GA:GB |
| R0280.C0020 | of which other loans/Euro | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | eba_BA:x6 | N/A | boe_eba_CT:x9025 | boe_eba_MC:x9343 | boe_eba_MC:x9116 | eba_MC:x469 | eba_GA:GB |
| R0280.C0030 | of which other loans/Other currencies | boe_met:mi8001 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | eba_BA:x6 | N/A | boe_eba_CT:x9025 | boe_eba_MC:x9343 | boe_eba_MC:x9116 | eba_MC:x469 | eba_GA:GB |
| R0290.C0010 | Housing associations/Sterling | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | eba_BA:x6 | N/A | boe_eba_CT:x9083 | boe_eba_MC:x9343 | N/A | eba_MC:x469 | eba_GA:GB |
| R0290.C0020 | Housing associations/Euro | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | eba_BA:x6 | N/A | boe_eba_CT:x9083 | boe_eba_MC:x9343 | N/A | eba_MC:x469 | eba_GA:GB |
| R0290.C0030 | Housing associations/Other currencies | boe_met:mi8001 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | eba_BA:x6 | N/A | boe_eba_CT:x9083 | boe_eba_MC:x9343 | N/A | eba_MC:x469 | eba_GA:GB |
| R0300.C0010 | Non-residents/Sterling | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | eba_BA:x6 | N/A | N/A | boe_eba_MC:x9344 | N/A | eba_MC:x469 | boe_eba_GA:x9001 |
| R0300.C0020 | Non-residents/Euro | boe_met:mi8001 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | eba_BA:x6 | N/A | N/A | boe_eba_MC:x9344 | N/A | eba_MC:x469 | boe_eba_GA:x9001 |
| R0300.C0030 | Non-residents/Other currencies | boe_met:mi8001 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | eba_BA:x6 | N/A | N/A | boe_eba_MC:x9344 | N/A | eba_MC:x469 | boe_eba_GA:x9001 |
| R0310.C0010 | Certificates of deposit/Sterling | boe_met:mi9001 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | boe_eba_BA:x9004 | N/A | boe_eba_CT:x9119 | eba_MC:x804 | N/A | boe_eba_MC:x9329 | N/A |
| R0310.C0020 | Certificates of deposit/Euro | boe_met:mi9001 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | boe_eba_BA:x9004 | N/A | boe_eba_CT:x9119 | eba_MC:x804 | N/A | boe_eba_MC:x9329 | N/A |
| R0310.C0030 | Certificates of deposit/Other currencies | boe_met:mi9001 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | boe_eba_BA:x9004 | N/A | boe_eba_CT:x9119 | eba_MC:x804 | N/A | boe_eba_MC:x9329 | N/A |
| R0320.C0010 | Commercial paper/Sterling | boe_met:mi9001 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | boe_eba_BA:x9004 | N/A | boe_eba_CT:x9119 | boe_eba_MC:x5080 | N/A | boe_eba_MC:x9329 | N/A |
| R0320.C0020 | Commercial paper/Euro | boe_met:mi9001 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | boe_eba_BA:x9004 | N/A | boe_eba_CT:x9119 | boe_eba_MC:x5080 | N/A | boe_eba_MC:x9329 | N/A |
| R0320.C0030 | Commercial paper/Other currencies | boe_met:mi9001 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | boe_eba_BA:x9004 | N/A | boe_eba_CT:x9119 | boe_eba_MC:x5080 | N/A | boe_eba_MC:x9329 | N/A |
| R0330.C0010 | Bonds, notes and other capital/Sterling | boe_met:mi9001 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | boe_eba_BA:x9004 | N/A | boe_eba_CT:x9119 | boe_eba_MC:x9310 | N/A | boe_eba_MC:x9329 | N/A |
| R0330.C0020 | Bonds, notes and other capital/Euro | boe_met:mi9001 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | boe_eba_BA:x9004 | N/A | boe_eba_CT:x9119 | boe_eba_MC:x9310 | N/A | boe_eba_MC:x9329 | N/A |
| R0330.C0030 | Bonds, notes and other capital/Other currencies | boe_met:mi9001 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | boe_eba_BA:x9004 | N/A | boe_eba_CT:x9119 | boe_eba_MC:x9310 | N/A | boe_eba_MC:x9329 | N/A |
| R0340.C0010 | of which issued by non-residents/Sterling | boe_met:mi9001 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | boe_eba_BA:x9004 | N/A | boe_eba_CT:x9119 | boe_eba_MC:x9310 | N/A | boe_eba_MC:x9329 | boe_eba_GA:x9001 |
| R0340.C0020 | of which issued by non-residents/Euro | boe_met:mi9001 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | boe_eba_BA:x9004 | N/A | boe_eba_CT:x9119 | boe_eba_MC:x9310 | N/A | boe_eba_MC:x9329 | boe_eba_GA:x9001 |
| R0340.C0030 | of which issued by non-residents/Other currencies | boe_met:mi9001 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | boe_eba_BA:x9004 | N/A | boe_eba_CT:x9119 | boe_eba_MC:x9310 | N/A | boe_eba_MC:x9329 | boe_eba_GA:x9001 |
| R0349.C0010 | Sovereign securities/Sterling | | | | eba_CU:GBP | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| R0349.C0020 | Sovereign securities/Euro | | | | eba_CU:EUR | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| R0349.C0030 | Sovereign securities/Other currencies | | | | boe_eba_CU:x9001 | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| R0350.C0010 | UK government/Sterling | boe_met:mi9001 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | boe_eba_BA:x9004 | N/A | eba_CT:x1 | N/A | N/A | boe_eba_MC:x9329 | eba_GA:GB |
| R0350.C0020 | UK government/Euro | boe_met:mi9001 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | boe_eba_BA:x9004 | N/A | eba_CT:x1 | N/A | N/A | boe_eba_MC:x9329 | eba_GA:GB |
| R0350.C0030 | UK government/Other currencies | boe_met:mi9001 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | boe_eba_BA:x9004 | N/A | eba_CT:x1 | N/A | N/A | boe_eba_MC:x9329 | eba_GA:GB |
| R0360.C0010 | Non-resident government/Sterling | boe_met:mi9001 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | boe_eba_BA:x9004 | N/A | boe_eba_CT:x9160 | N/A | N/A | boe_eba_MC:x9329 | boe_eba_GA:x9001 |
| R0360.C0020 | Non-resident government/Euro | boe_met:mi9001 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | boe_eba_BA:x9004 | N/A | boe_eba_CT:x9160 | N/A | N/A | boe_eba_MC:x9329 | boe_eba_GA:x9001 |
| R0360.C0030 | Non-resident government/Other currencies | boe_met:mi9001 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | boe_eba_BA:x9004 | N/A | boe_eba_CT:x9160 | N/A | N/A | boe_eba_MC:x9329 | boe_eba_GA:x9001 |
| R0370.C0010 | Other assets/Sterling | boe_met:mi9101 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | eba_BA:x6 | N/A | N/A | N/A | N/A | boe_eba_MC:x9311 | N/A |
| R0370.C0020 | Other assets/Euro | boe_met:mi9101 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | eba_BA:x6 | N/A | N/A | N/A | N/A | boe_eba_MC:x9311 | N/A |
| R0370.C0030 | Other assets/Other currencies | boe_met:mi9101 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | eba_BA:x6 | N/A | N/A | N/A | N/A | boe_eba_MC:x9311 | N/A |
| R0380.C0010 | TOTAL ASSETS (equals TOTAL LIABILITIES)/Sterling | boe_met:mi9101 | xbrli:monetaryItemType | instant | eba_CU:GBP | N/A | N/A | eba_BA:x6 | N/A | N/A | N/A | N/A | boe_eba_MC:x9398 | N/A |
| R0380.C0020 | TOTAL ASSETS (equals TOTAL LIABILITIES)/Euro | boe_met:mi9101 | xbrli:monetaryItemType | instant | eba_CU:EUR | N/A | N/A | eba_BA:x6 | N/A | N/A | N/A | N/A | boe_eba_MC:x9398 | N/A |
| R0380.C0030 | TOTAL ASSETS (equals TOTAL LIABILITIES)/Other currencies | boe_met:mi9101 | xbrli:monetaryItemType | instant | boe_eba_CU:x9001 | N/A | N/A | eba_BA:x6 | N/A | N/A | N/A | N/A | boe_eba_MC:x9398 | N/A |