| r0.C0010 | boe_a1786.root/Claims under contracts in financial derivatives | boe_met:mi9001 | xbrli:monetaryItemType | instant | eba_BA:x6 | eba_MC:x99 | N/A |
| r0.C0020 | boe_a1786.root/Guarantees | eba_met:mi357 | xbrli:monetaryItemType | instant | eba_BA:x10 | eba_MC:x154 | N/A |
| r0.C0030 | boe_a1786.root/Other credit commitments | eba_met:mi357 | xbrli:monetaryItemType | instant | eba_BA:x10 | boe_eba_MC:x9316 | N/A |
| R0009.C0010 | Analysis by country/Claims under contracts in financial derivatives | boe_met:mi9001 | xbrli:monetaryItemType | instant | eba_BA:x6 | eba_MC:x99 | N/A |
| R0009.C0020 | Analysis by country/Guarantees | eba_met:mi357 | xbrli:monetaryItemType | instant | eba_BA:x10 | eba_MC:x154 | N/A |
| R0009.C0030 | Analysis by country/Other credit commitments | eba_met:mi357 | xbrli:monetaryItemType | instant | eba_BA:x10 | boe_eba_MC:x9316 | N/A |
| R0010.C0010 | Total of A+B+C/Claims under contracts in financial derivatives | boe_met:mi9001 | xbrli:monetaryItemType | instant | eba_BA:x6 | eba_MC:x99 | N/A |
| R0010.C0020 | Total of A+B+C/Guarantees | eba_met:mi357 | xbrli:monetaryItemType | instant | eba_BA:x10 | eba_MC:x154 | N/A |
| R0010.C0030 | Total of A+B+C/Other credit commitments | eba_met:mi357 | xbrli:monetaryItemType | instant | eba_BA:x10 | boe_eba_MC:x9316 | N/A |
| R0019.C0010 | A International organisations/Claims under contracts in financial derivatives | boe_met:mi9001 | xbrli:monetaryItemType | instant | eba_BA:x6 | eba_MC:x99 | N/A |
| R0019.C0020 | A International organisations/Guarantees | eba_met:mi357 | xbrli:monetaryItemType | instant | eba_BA:x10 | eba_MC:x154 | N/A |
| R0019.C0030 | A International organisations/Other credit commitments | eba_met:mi357 | xbrli:monetaryItemType | instant | eba_BA:x10 | boe_eba_MC:x9316 | N/A |
| R0020.C0010 | EU institutions/Claims under contracts in financial derivatives | boe_met:mi9001 | xbrli:monetaryItemType | instant | eba_BA:x6 | eba_MC:x99 | boe_eba_GA:x9006 |
| R0020.C0020 | EU institutions/Guarantees | eba_met:mi357 | xbrli:monetaryItemType | instant | eba_BA:x10 | eba_MC:x154 | boe_eba_GA:x9006 |
| R0020.C0030 | EU institutions/Other credit commitments | eba_met:mi357 | xbrli:monetaryItemType | instant | eba_BA:x10 | boe_eba_MC:x9316 | boe_eba_GA:x9006 |
| R0030.C0010 | Other institutions/Claims under contracts in financial derivatives | boe_met:mi9001 | xbrli:monetaryItemType | instant | eba_BA:x6 | eba_MC:x99 | boe_eba_GA:x9013 |
| R0030.C0020 | Other institutions/Guarantees | eba_met:mi357 | xbrli:monetaryItemType | instant | eba_BA:x10 | eba_MC:x154 | boe_eba_GA:x9013 |
| R0030.C0030 | Other institutions/Other credit commitments | eba_met:mi357 | xbrli:monetaryItemType | instant | eba_BA:x10 | boe_eba_MC:x9316 | boe_eba_GA:x9013 |
| R0040.C0010 | B Unallocated by country/Claims under contracts in financial derivatives | boe_met:mi9001 | xbrli:monetaryItemType | instant | eba_BA:x6 | eba_MC:x99 | boe_eba_GA:x9081 |
| R0040.C0020 | B Unallocated by country/Guarantees | eba_met:mi357 | xbrli:monetaryItemType | instant | eba_BA:x10 | eba_MC:x154 | boe_eba_GA:x9081 |
| R0040.C0030 | B Unallocated by country/Other credit commitments | eba_met:mi357 | xbrli:monetaryItemType | instant | eba_BA:x10 | boe_eba_MC:x9316 | boe_eba_GA:x9081 |