| r0.0010 | boe_a3045.root/Fair value | eba_met:mi129 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | boe_eba_RP:x6004 |
| r0.0020 | boe_a3045.root/Level 1 | eba_met:mi129 | xbrli:monetaryItemType | instant | N/A | N/A | eba_MA:x1 | N/A | boe_eba_RP:x6004 |
| r0.0030 | boe_a3045.root/Level 2 | eba_met:mi129 | xbrli:monetaryItemType | instant | N/A | N/A | eba_MA:x2 | N/A | boe_eba_RP:x6004 |
| r0.0040 | boe_a3045.root/Level 3 | eba_met:mi129 | xbrli:monetaryItemType | instant | N/A | N/A | eba_MA:x3 | N/A | boe_eba_RP:x6004 |
| 0009.0010 | ASSETS/Fair value | eba_met:mi129 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | boe_eba_RP:x6004 |
| 0009.0020 | ASSETS/Level 1 | eba_met:mi129 | xbrli:monetaryItemType | instant | N/A | N/A | eba_MA:x1 | N/A | boe_eba_RP:x6004 |
| 0009.0030 | ASSETS/Level 2 | eba_met:mi129 | xbrli:monetaryItemType | instant | N/A | N/A | eba_MA:x2 | N/A | boe_eba_RP:x6004 |
| 0009.0040 | ASSETS/Level 3 | eba_met:mi129 | xbrli:monetaryItemType | instant | N/A | N/A | eba_MA:x3 | N/A | boe_eba_RP:x6004 |
| 0015.0010 | Financial assets at amortised cost/Fair value | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x75 | eba_BA:x6 | N/A | eba_MC:x223 | boe_eba_RP:x6004 |
| 0015.0020 | Financial assets at amortised cost/Level 1 | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x75 | eba_BA:x6 | eba_MA:x1 | eba_MC:x223 | boe_eba_RP:x6004 |
| 0015.0030 | Financial assets at amortised cost/Level 2 | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x75 | eba_BA:x6 | eba_MA:x2 | eba_MC:x223 | boe_eba_RP:x6004 |
| 0015.0040 | Financial assets at amortised cost/Level 3 | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x75 | eba_BA:x6 | eba_MA:x3 | eba_MC:x223 | boe_eba_RP:x6004 |
| 0016.0010 | Debt securities/Fair value | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x75 | eba_BA:x6 | N/A | eba_MC:x60 | boe_eba_RP:x6004 |
| 0016.0020 | Debt securities/Level 1 | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x75 | eba_BA:x6 | eba_MA:x1 | eba_MC:x60 | boe_eba_RP:x6004 |
| 0016.0030 | Debt securities/Level 2 | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x75 | eba_BA:x6 | eba_MA:x2 | eba_MC:x60 | boe_eba_RP:x6004 |
| 0016.0040 | Debt securities/Level 3 | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x75 | eba_BA:x6 | eba_MA:x3 | eba_MC:x60 | boe_eba_RP:x6004 |
| 0017.0010 | Loans and advances/Fair value | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x75 | eba_BA:x6 | N/A | eba_MC:x469 | boe_eba_RP:x6004 |
| 0017.0020 | Loans and advances/Level 1 | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x75 | eba_BA:x6 | eba_MA:x1 | eba_MC:x469 | boe_eba_RP:x6004 |
| 0017.0030 | Loans and advances/Level 2 | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x75 | eba_BA:x6 | eba_MA:x2 | eba_MC:x469 | boe_eba_RP:x6004 |
| 0017.0040 | Loans and advances/Level 3 | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x75 | eba_BA:x6 | eba_MA:x3 | eba_MC:x469 | boe_eba_RP:x6004 |
| 0069.0010 | LIABILITIES/Fair value | eba_met:mi129 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | boe_eba_RP:x6004 |
| 0069.0020 | LIABILITIES/Level 1 | eba_met:mi129 | xbrli:monetaryItemType | instant | N/A | N/A | eba_MA:x1 | N/A | boe_eba_RP:x6004 |
| 0069.0030 | LIABILITIES/Level 2 | eba_met:mi129 | xbrli:monetaryItemType | instant | N/A | N/A | eba_MA:x2 | N/A | boe_eba_RP:x6004 |
| 0069.0040 | LIABILITIES/Level 3 | eba_met:mi129 | xbrli:monetaryItemType | instant | N/A | N/A | eba_MA:x3 | N/A | boe_eba_RP:x6004 |
| 0070.0010 | Financial liabilities measured at amortised cost/Fair value | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | N/A | eba_MC:x93 | boe_eba_RP:x6004 |
| 0070.0020 | Financial liabilities measured at amortised cost/Level 1 | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | eba_MA:x1 | eba_MC:x93 | boe_eba_RP:x6004 |
| 0070.0030 | Financial liabilities measured at amortised cost/Level 2 | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | eba_MA:x2 | eba_MC:x93 | boe_eba_RP:x6004 |
| 0070.0040 | Financial liabilities measured at amortised cost/Level 3 | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | eba_MA:x3 | eba_MC:x93 | boe_eba_RP:x6004 |
| 0080.0010 | Deposits/Fair value | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | N/A | eba_MC:x135 | boe_eba_RP:x6004 |
| 0080.0020 | Deposits/Level 1 | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | eba_MA:x1 | eba_MC:x135 | boe_eba_RP:x6004 |
| 0080.0030 | Deposits/Level 2 | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | eba_MA:x2 | eba_MC:x135 | boe_eba_RP:x6004 |
| 0080.0040 | Deposits/Level 3 | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | eba_MA:x3 | eba_MC:x135 | boe_eba_RP:x6004 |
| 0090.0010 | Debt securities issued/Fair value | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | N/A | eba_MC:x146 | boe_eba_RP:x6004 |
| 0090.0020 | Debt securities issued/Level 1 | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | eba_MA:x1 | eba_MC:x146 | boe_eba_RP:x6004 |
| 0090.0030 | Debt securities issued/Level 2 | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | eba_MA:x2 | eba_MC:x146 | boe_eba_RP:x6004 |
| 0090.0040 | Debt securities issued/Level 3 | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | eba_MA:x3 | eba_MC:x146 | boe_eba_RP:x6004 |
| 0100.0010 | Other financial liabilities/Fair value | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | N/A | eba_MC:x264 | boe_eba_RP:x6004 |
| 0100.0020 | Other financial liabilities/Level 1 | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | eba_MA:x1 | eba_MC:x264 | boe_eba_RP:x6004 |
| 0100.0030 | Other financial liabilities/Level 2 | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | eba_MA:x2 | eba_MC:x264 | boe_eba_RP:x6004 |
| 0100.0040 | Other financial liabilities/Level 3 | eba_met:mi129 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | eba_MA:x3 | eba_MC:x264 | boe_eba_RP:x6004 |