| r0.010 | boe_a2.root/Notional contract | eba_met:mi170 | xbrli:monetaryItemType | instant | eba_BA:x17 | N/A |
| r0.020 | boe_a2.root/Assets | boe_met:mi6009 | xbrli:monetaryItemType | instant | eba_BA:x6 | N/A |
| r0.030 | boe_a2.root/Liabilities | boe_met:mi6009 | xbrli:monetaryItemType | instant | eba_BA:x7 | N/A |
| 046.010 | Foreign exchange/Notional contract | eba_met:mi170 | xbrli:monetaryItemType | instant | eba_BA:x17 | boe_eba_MC:x6006 |
| 046.020 | Foreign exchange/Assets | boe_met:mi6009 | xbrli:monetaryItemType | instant | eba_BA:x6 | boe_eba_MC:x6006 |
| 046.030 | Foreign exchange/Liabilities | boe_met:mi6009 | xbrli:monetaryItemType | instant | eba_BA:x7 | boe_eba_MC:x6006 |
| 047.010 | Interest rate/Notional contract | eba_met:mi170 | xbrli:monetaryItemType | instant | eba_BA:x17 | boe_eba_MC:x6007 |
| 047.020 | Interest rate/Assets | boe_met:mi6009 | xbrli:monetaryItemType | instant | eba_BA:x6 | boe_eba_MC:x6007 |
| 047.030 | Interest rate/Liabilities | boe_met:mi6009 | xbrli:monetaryItemType | instant | eba_BA:x7 | boe_eba_MC:x6007 |
| 048.010 | Credit derivatives/Notional contract | eba_met:mi170 | xbrli:monetaryItemType | instant | eba_BA:x17 | boe_eba_MC:x6008 |
| 048.020 | Credit derivatives/Assets | boe_met:mi6009 | xbrli:monetaryItemType | instant | eba_BA:x6 | boe_eba_MC:x6008 |
| 048.030 | Credit derivatives/Liabilities | boe_met:mi6009 | xbrli:monetaryItemType | instant | eba_BA:x7 | boe_eba_MC:x6008 |
| 049.010 | Equity and stock index/Notional contract | eba_met:mi170 | xbrli:monetaryItemType | instant | eba_BA:x17 | boe_eba_MC:x6009 |
| 049.020 | Equity and stock index/Assets | boe_met:mi6009 | xbrli:monetaryItemType | instant | eba_BA:x6 | boe_eba_MC:x6009 |
| 049.030 | Equity and stock index/Liabilities | boe_met:mi6009 | xbrli:monetaryItemType | instant | eba_BA:x7 | boe_eba_MC:x6009 |
| 050.010 | Commodity/Notional contract | eba_met:mi170 | xbrli:monetaryItemType | instant | eba_BA:x17 | boe_eba_MC:x6010 |
| 050.020 | Commodity/Assets | boe_met:mi6009 | xbrli:monetaryItemType | instant | eba_BA:x6 | boe_eba_MC:x6010 |
| 050.030 | Commodity/Liabilities | boe_met:mi6009 | xbrli:monetaryItemType | instant | eba_BA:x7 | boe_eba_MC:x6010 |
| 051.010 | Other/Notional contract | eba_met:mi170 | xbrli:monetaryItemType | instant | eba_BA:x17 | boe_eba_MC:x6011 |
| 051.020 | Other/Assets | boe_met:mi6009 | xbrli:monetaryItemType | instant | eba_BA:x6 | boe_eba_MC:x6011 |
| 051.030 | Other/Liabilities | boe_met:mi6009 | xbrli:monetaryItemType | instant | eba_BA:x7 | boe_eba_MC:x6011 |
| 052.010 | Total/Notional contract | eba_met:mi170 | xbrli:monetaryItemType | instant | eba_BA:x17 | boe_eba_MC:x6005 |
| 052.020 | Total/Assets | boe_met:mi6009 | xbrli:monetaryItemType | instant | eba_BA:x6 | boe_eba_MC:x6005 |
| 052.030 | Total/Liabilities | boe_met:mi6009 | xbrli:monetaryItemType | instant | eba_BA:x7 | boe_eba_MC:x6005 |