| r0.0010 | boe_a2768.root/Current period: Intragroup transactions | eba_met:md103 | xbrli:monetaryItemType | instant | N/A | eba_BA:x1 | N/A | eba_MC:x181 | boe_eba_RP:x6004 |
| r0.0020 | boe_a2768.root/Changes in fair value due to credit risk | eba_met:md103 | xbrli:monetaryItemType | instant | N/A | eba_BA:x1 | N/A | eba_MC:x512 | boe_eba_RP:x6004 |
| 0020.0010 | Debt securities/Current period: Intragroup transactions | eba_met:md103 | xbrli:monetaryItemType | instant | eba_PL:x14 | eba_BA:x1 | eba_MC:x60 | eba_MC:x181 | boe_eba_RP:x6004 |
| 0020.0020 | Debt securities/Changes in fair value due to credit risk | eba_met:md103 | xbrli:monetaryItemType | instant | eba_PL:x14 | eba_BA:x1 | eba_MC:x60 | eba_MC:x512 | boe_eba_RP:x6004 |
| 0030.0010 | Loans and advances/Current period: Intragroup transactions | eba_met:md103 | xbrli:monetaryItemType | instant | eba_PL:x14 | eba_BA:x1 | eba_MC:x469 | eba_MC:x181 | boe_eba_RP:x6004 |
| 0030.0020 | Loans and advances/Changes in fair value due to credit risk | eba_met:md103 | xbrli:monetaryItemType | instant | eba_PL:x14 | eba_BA:x1 | eba_MC:x469 | eba_MC:x512 | boe_eba_RP:x6004 |
| 0040.0010 | Deposits/Current period: Intragroup transactions | eba_met:md103 | xbrli:monetaryItemType | instant | eba_PL:x25 | eba_BA:x1 | eba_MC:x135 | eba_MC:x181 | boe_eba_RP:x6004 |
| 0040.0020 | Deposits/Changes in fair value due to credit risk | eba_met:md103 | xbrli:monetaryItemType | instant | eba_PL:x25 | eba_BA:x1 | eba_MC:x135 | eba_MC:x512 | boe_eba_RP:x6004 |
| 0050.0010 | Debt securities issued/Current period: Intragroup transactions | eba_met:md103 | xbrli:monetaryItemType | instant | eba_PL:x25 | eba_BA:x1 | eba_MC:x146 | eba_MC:x181 | boe_eba_RP:x6004 |
| 0050.0020 | Debt securities issued/Changes in fair value due to credit risk | eba_met:md103 | xbrli:monetaryItemType | instant | eba_PL:x25 | eba_BA:x1 | eba_MC:x146 | eba_MC:x512 | boe_eba_RP:x6004 |
| 0060.0010 | Other financial liabilities/Current period: Intragroup transactions | eba_met:md103 | xbrli:monetaryItemType | instant | eba_PL:x25 | eba_BA:x1 | eba_MC:x264 | eba_MC:x181 | boe_eba_RP:x6004 |
| 0060.0020 | Other financial liabilities/Changes in fair value due to credit risk | eba_met:md103 | xbrli:monetaryItemType | instant | eba_PL:x25 | eba_BA:x1 | eba_MC:x264 | eba_MC:x512 | boe_eba_RP:x6004 |
| 0070.0010 | GAINS OR (-) LOSSES ON FINANCIAL ASSETS AND LIABILITIES DESIGNATED AT FAIR VALUE THROUGH PROFIT OR LOSS, NET/Current period: Intragroup transactions | eba_met:md103 | xbrli:monetaryItemType | instant | eba_PL:x15 | eba_BA:x1 | eba_MC:x45 | eba_MC:x181 | boe_eba_RP:x6004 |
| 0070.0020 | GAINS OR (-) LOSSES ON FINANCIAL ASSETS AND LIABILITIES DESIGNATED AT FAIR VALUE THROUGH PROFIT OR LOSS, NET/Changes in fair value due to credit risk | eba_met:md103 | xbrli:monetaryItemType | instant | eba_PL:x15 | eba_BA:x1 | eba_MC:x45 | eba_MC:x512 | boe_eba_RP:x6004 |