| r0.0010 | boe_a7.root/Accounting balance sheet value | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| r0.0020 | boe_a7.root/Accounting value assuming no netting or other CRM | eba_met:mi272 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| r0.0070 | boe_a7.root/Notional amount/ nominal value | eba_met:mi170 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| r0.0075 | boe_a7.root/Capped notional amount | eba_met:mi419 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| r0.0085 | boe_a7.root/Capped notional amount (same reference name) | eba_met:mi419 | xbrli:monetaryItemType | instant | eba_AP:x104 | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 0010.0010 | Derivatives/Accounting balance sheet value | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x99 | N/A | N/A | N/A | N/A |
| 0010.0020 | Derivatives/Accounting value assuming no netting or other CRM | eba_met:mi272 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x99 | N/A | N/A | N/A | N/A |
| 0010.0070 | Derivatives/Notional amount/ nominal value | eba_met:mi170 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x99 | N/A | N/A | N/A | N/A |
| 0010.0075 | Derivatives/Capped notional amount | eba_met:mi419 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x99 | N/A | N/A | N/A | N/A |
| 0010.0085 | Derivatives/Capped notional amount (same reference name) | eba_met:mi419 | xbrli:monetaryItemType | instant | eba_AP:x104 | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x99 | N/A | N/A | N/A | N/A |
| 0020.0010 | Credit derivatives (protection sold)/Accounting balance sheet value | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x115 | N/A | N/A | N/A | N/A |
| 0020.0020 | Credit derivatives (protection sold)/Accounting value assuming no netting or other CRM | eba_met:mi272 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x115 | N/A | N/A | N/A | N/A |
| 0020.0070 | Credit derivatives (protection sold)/Notional amount/ nominal value | eba_met:mi170 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x115 | N/A | N/A | N/A | N/A |
| 0020.0075 | Credit derivatives (protection sold)/Capped notional amount | eba_met:mi419 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x115 | N/A | N/A | N/A | N/A |
| 0020.0085 | Credit derivatives (protection sold)/Capped notional amount (same reference name) | eba_met:mi419 | xbrli:monetaryItemType | instant | eba_AP:x104 | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x115 | N/A | N/A | N/A | N/A |
| 0030.0010 | Credit derivatives (protection sold), which are subject to a close out clause/Accounting balance sheet value | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x115 | eba_MC:x117 | N/A | N/A | N/A |
| 0030.0020 | Credit derivatives (protection sold), which are subject to a close out clause/Accounting value assuming no netting or other CRM | eba_met:mi272 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x115 | eba_MC:x117 | N/A | N/A | N/A |
| 0030.0070 | Credit derivatives (protection sold), which are subject to a close out clause/Notional amount/ nominal value | eba_met:mi170 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x115 | eba_MC:x117 | N/A | N/A | N/A |
| 0030.0075 | Credit derivatives (protection sold), which are subject to a close out clause/Capped notional amount | eba_met:mi419 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x115 | eba_MC:x117 | N/A | N/A | N/A |
| 0030.0085 | Credit derivatives (protection sold), which are subject to a close out clause/Capped notional amount (same reference name) | eba_met:mi419 | xbrli:monetaryItemType | instant | eba_AP:x104 | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x115 | eba_MC:x117 | N/A | N/A | N/A |
| 0040.0010 | Credit derivatives (protection sold), which are not subject to a close out clause/Accounting balance sheet value | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x115 | eba_MC:x116 | N/A | N/A | N/A |
| 0040.0020 | Credit derivatives (protection sold), which are not subject to a close out clause/Accounting value assuming no netting or other CRM | eba_met:mi272 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x115 | eba_MC:x116 | N/A | N/A | N/A |
| 0040.0070 | Credit derivatives (protection sold), which are not subject to a close out clause/Notional amount/ nominal value | eba_met:mi170 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x115 | eba_MC:x116 | N/A | N/A | N/A |
| 0040.0075 | Credit derivatives (protection sold), which are not subject to a close out clause/Capped notional amount | eba_met:mi419 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x115 | eba_MC:x116 | N/A | N/A | N/A |
| 0040.0085 | Credit derivatives (protection sold), which are not subject to a close out clause/Capped notional amount (same reference name) | eba_met:mi419 | xbrli:monetaryItemType | instant | eba_AP:x104 | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x115 | eba_MC:x116 | N/A | N/A | N/A |
| 0050.0010 | Credit derivatives (protection bought)/Accounting balance sheet value | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x114 | N/A | N/A | N/A | N/A |
| 0050.0020 | Credit derivatives (protection bought)/Accounting value assuming no netting or other CRM | eba_met:mi272 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x114 | N/A | N/A | N/A | N/A |
| 0050.0070 | Credit derivatives (protection bought)/Notional amount/ nominal value | eba_met:mi170 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x114 | N/A | N/A | N/A | N/A |
| 0050.0075 | Credit derivatives (protection bought)/Capped notional amount | eba_met:mi419 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x114 | N/A | N/A | N/A | N/A |
| 0050.0085 | Credit derivatives (protection bought)/Capped notional amount (same reference name) | eba_met:mi419 | xbrli:monetaryItemType | instant | eba_AP:x104 | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x114 | N/A | N/A | N/A | N/A |
| 0060.0010 | Financial derivatives/Accounting balance sheet value | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x118 | N/A | N/A | N/A | N/A |
| 0060.0020 | Financial derivatives/Accounting value assuming no netting or other CRM | eba_met:mi272 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x118 | N/A | N/A | N/A | N/A |
| 0060.0070 | Financial derivatives/Notional amount/ nominal value | eba_met:mi170 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x118 | N/A | N/A | N/A | N/A |
| 0060.0075 | Financial derivatives/Capped notional amount | eba_met:mi419 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x118 | N/A | N/A | N/A | N/A |
| 0060.0085 | Financial derivatives/Capped notional amount (same reference name) | eba_met:mi419 | xbrli:monetaryItemType | instant | eba_AP:x104 | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x118 | N/A | N/A | N/A | N/A |
| 0071.0010 | Security Financing Transactions/Accounting balance sheet value | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x306 | N/A | N/A | N/A | N/A |
| 0071.0020 | Security Financing Transactions/Accounting value assuming no netting or other CRM | eba_met:mi272 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x306 | N/A | N/A | N/A | N/A |
| 0071.0070 | Security Financing Transactions/Notional amount/ nominal value | eba_met:mi170 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x306 | N/A | N/A | N/A | N/A |
| 0071.0075 | Security Financing Transactions/Capped notional amount | eba_met:mi419 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x306 | N/A | N/A | N/A | N/A |
| 0071.0085 | Security Financing Transactions/Capped notional amount (same reference name) | eba_met:mi419 | xbrli:monetaryItemType | instant | eba_AP:x104 | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x306 | N/A | N/A | N/A | N/A |
| 0090.0010 | Other assets/Accounting balance sheet value | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x346 | N/A | N/A | N/A | N/A |
| 0090.0020 | Other assets/Accounting value assuming no netting or other CRM | eba_met:mi272 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x346 | N/A | N/A | N/A | N/A |
| 0090.0070 | Other assets/Notional amount/ nominal value | eba_met:mi170 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x346 | N/A | N/A | N/A | N/A |
| 0090.0075 | Other assets/Capped notional amount | eba_met:mi419 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x346 | N/A | N/A | N/A | N/A |
| 0090.0085 | Other assets/Capped notional amount (same reference name) | eba_met:mi419 | xbrli:monetaryItemType | instant | eba_AP:x104 | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x346 | N/A | N/A | N/A | N/A |
| 0095.0010 | Off-balance sheet items/Accounting balance sheet value | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x176 | N/A | N/A | N/A | N/A |
| 0095.0020 | Off-balance sheet items/Accounting value assuming no netting or other CRM | eba_met:mi272 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x176 | N/A | N/A | N/A | N/A |
| 0095.0070 | Off-balance sheet items/Notional amount/ nominal value | eba_met:mi170 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x176 | N/A | N/A | N/A | N/A |
| 0095.0075 | Off-balance sheet items/Capped notional amount | eba_met:mi419 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x176 | N/A | N/A | N/A | N/A |
| 0095.0085 | Off-balance sheet items/Capped notional amount (same reference name) | eba_met:mi419 | xbrli:monetaryItemType | instant | eba_AP:x104 | eba_BA:x9 | N/A | N/A | N/A | N/A | eba_MC:x176 | N/A | N/A | N/A | N/A |
| 0210.0010 | Cash collateral received in derivatives transactions/Accounting balance sheet value | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | eba_MC:x46 | N/A | eba_MC:x409 | N/A | N/A | eba_MC:x99 | N/A |
| 0210.0020 | Cash collateral received in derivatives transactions/Accounting value assuming no netting or other CRM | eba_met:mi272 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | eba_MC:x46 | N/A | eba_MC:x409 | N/A | N/A | eba_MC:x99 | N/A |
| 0210.0070 | Cash collateral received in derivatives transactions/Notional amount/ nominal value | eba_met:mi170 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | eba_MC:x46 | N/A | eba_MC:x409 | N/A | N/A | eba_MC:x99 | N/A |
| 0210.0075 | Cash collateral received in derivatives transactions/Capped notional amount | eba_met:mi419 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | eba_MC:x46 | N/A | eba_MC:x409 | N/A | N/A | eba_MC:x99 | N/A |
| 0210.0085 | Cash collateral received in derivatives transactions/Capped notional amount (same reference name) | eba_met:mi419 | xbrli:monetaryItemType | instant | eba_AP:x104 | eba_BA:x9 | N/A | N/A | eba_MC:x46 | N/A | eba_MC:x409 | N/A | N/A | eba_MC:x99 | N/A |
| 0220.0010 | Receivables for cash collateral posted in derivatives transactions/Accounting balance sheet value | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | eba_MC:x46 | eba_MC:x99 | eba_MC:x415 | N/A | N/A | N/A | N/A |
| 0220.0020 | Receivables for cash collateral posted in derivatives transactions/Accounting value assuming no netting or other CRM | eba_met:mi272 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | eba_MC:x46 | eba_MC:x99 | eba_MC:x415 | N/A | N/A | N/A | N/A |
| 0220.0070 | Receivables for cash collateral posted in derivatives transactions/Notional amount/ nominal value | eba_met:mi170 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | eba_MC:x46 | eba_MC:x99 | eba_MC:x415 | N/A | N/A | N/A | N/A |
| 0220.0075 | Receivables for cash collateral posted in derivatives transactions/Capped notional amount | eba_met:mi419 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | eba_MC:x46 | eba_MC:x99 | eba_MC:x415 | N/A | N/A | N/A | N/A |
| 0220.0085 | Receivables for cash collateral posted in derivatives transactions/Capped notional amount (same reference name) | eba_met:mi419 | xbrli:monetaryItemType | instant | eba_AP:x104 | eba_BA:x9 | N/A | N/A | eba_MC:x46 | eba_MC:x99 | eba_MC:x415 | N/A | N/A | N/A | N/A |
| 0230.0010 | Securities received in a SFT that are recognised as an asset/Accounting balance sheet value | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | eba_MC:x420 | N/A | eba_MC:x409 | N/A | N/A | eba_MC:x306 | N/A |
| 0230.0020 | Securities received in a SFT that are recognised as an asset/Accounting value assuming no netting or other CRM | eba_met:mi272 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | eba_MC:x420 | N/A | eba_MC:x409 | N/A | N/A | eba_MC:x306 | N/A |
| 0230.0070 | Securities received in a SFT that are recognised as an asset/Notional amount/ nominal value | eba_met:mi170 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | eba_MC:x420 | N/A | eba_MC:x409 | N/A | N/A | eba_MC:x306 | N/A |
| 0230.0075 | Securities received in a SFT that are recognised as an asset/Capped notional amount | eba_met:mi419 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | N/A | eba_MC:x420 | N/A | eba_MC:x409 | N/A | N/A | eba_MC:x306 | N/A |
| 0230.0085 | Securities received in a SFT that are recognised as an asset/Capped notional amount (same reference name) | eba_met:mi419 | xbrli:monetaryItemType | instant | eba_AP:x104 | eba_BA:x9 | N/A | N/A | eba_MC:x420 | N/A | eba_MC:x409 | N/A | N/A | eba_MC:x306 | N/A |
| 0240.0010 | SFT cash conduit lending (cash receivables)/Accounting balance sheet value | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | eba_MC:x961 | N/A | N/A | eba_MC:x469 | N/A | N/A | N/A | eba_TA:x40 |
| 0240.0020 | SFT cash conduit lending (cash receivables)/Accounting value assuming no netting or other CRM | eba_met:mi272 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | eba_MC:x961 | N/A | N/A | eba_MC:x469 | N/A | N/A | N/A | eba_TA:x40 |
| 0240.0070 | SFT cash conduit lending (cash receivables)/Notional amount/ nominal value | eba_met:mi170 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | eba_MC:x961 | N/A | N/A | eba_MC:x469 | N/A | N/A | N/A | eba_TA:x40 |
| 0240.0075 | SFT cash conduit lending (cash receivables)/Capped notional amount | eba_met:mi419 | xbrli:monetaryItemType | instant | N/A | eba_BA:x9 | N/A | eba_MC:x961 | N/A | N/A | eba_MC:x469 | N/A | N/A | N/A | eba_TA:x40 |
| 0240.0085 | SFT cash conduit lending (cash receivables)/Capped notional amount (same reference name) | eba_met:mi419 | xbrli:monetaryItemType | instant | eba_AP:x104 | eba_BA:x9 | N/A | eba_MC:x961 | N/A | N/A | eba_MC:x469 | N/A | N/A | N/A | eba_TA:x40 |
| 0380.0010 | Central bank exposures/Accounting balance sheet value | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | eba_BA:x6 | eba_EC:x50 | N/A | N/A | N/A | eba_MC:x996 | N/A | N/A | N/A | N/A |
| 0380.0020 | Central bank exposures/Accounting value assuming no netting or other CRM | eba_met:mi272 | xbrli:monetaryItemType | instant | N/A | eba_BA:x6 | eba_EC:x50 | N/A | N/A | N/A | eba_MC:x996 | N/A | N/A | N/A | N/A |
| 0380.0070 | Central bank exposures/Notional amount/ nominal value | eba_met:mi170 | xbrli:monetaryItemType | instant | N/A | eba_BA:x6 | eba_EC:x50 | N/A | N/A | N/A | eba_MC:x996 | N/A | N/A | N/A | N/A |
| 0380.0075 | Central bank exposures/Capped notional amount | eba_met:mi419 | xbrli:monetaryItemType | instant | N/A | eba_BA:x6 | eba_EC:x50 | N/A | N/A | N/A | eba_MC:x996 | N/A | N/A | N/A | N/A |
| 0380.0085 | Central bank exposures/Capped notional amount (same reference name) | eba_met:mi419 | xbrli:monetaryItemType | instant | eba_AP:x104 | eba_BA:x6 | eba_EC:x50 | N/A | N/A | N/A | eba_MC:x996 | N/A | N/A | N/A | N/A |
| 0410.0010 | Total assets/Accounting balance sheet value | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | eba_BA:x6 | N/A | N/A | N/A | N/A | eba_MC:x25 | N/A | eba_SC:x1 | N/A | N/A |
| 0410.0020 | Total assets/Accounting value assuming no netting or other CRM | eba_met:mi272 | xbrli:monetaryItemType | instant | N/A | eba_BA:x6 | N/A | N/A | N/A | N/A | eba_MC:x25 | N/A | eba_SC:x1 | N/A | N/A |
| 0410.0070 | Total assets/Notional amount/ nominal value | eba_met:mi170 | xbrli:monetaryItemType | instant | N/A | eba_BA:x6 | N/A | N/A | N/A | N/A | eba_MC:x25 | N/A | eba_SC:x1 | N/A | N/A |
| 0410.0075 | Total assets/Capped notional amount | eba_met:mi419 | xbrli:monetaryItemType | instant | N/A | eba_BA:x6 | N/A | N/A | N/A | N/A | eba_MC:x25 | N/A | eba_SC:x1 | N/A | N/A |
| 0410.0085 | Total assets/Capped notional amount (same reference name) | eba_met:mi419 | xbrli:monetaryItemType | instant | eba_AP:x104 | eba_BA:x6 | N/A | N/A | N/A | N/A | eba_MC:x25 | N/A | eba_SC:x1 | N/A | N/A |