| r0.0010 | boe_a3620.root/Forecast - end current year | | | | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | boe_eba_RF:x6010 |
| r0.0020 | boe_a3620.root/Forecast - end next year | | | | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | boe_eba_RF:x6011 |
| 0380.0010 | TOTAL ASSETS/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | N/A | eba_BA:x6 | N/A | eba_MC:x25 | boe_eba_RF:x6010 |
| 0380.0020 | TOTAL ASSETS/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | N/A | eba_BA:x6 | N/A | eba_MC:x25 | boe_eba_RF:x6011 |
| 0010.0010 | Cash, cash balances at central banks and other demand deposits/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x12 | eba_BA:x6 | N/A | eba_MC:x46 | boe_eba_RF:x6010 |
| 0010.0020 | Cash, cash balances at central banks and other demand deposits/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x12 | eba_BA:x6 | N/A | eba_MC:x46 | boe_eba_RF:x6011 |
| 0020.0010 | Cash on hand/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x12 | eba_BA:x6 | N/A | eba_MC:x44 | boe_eba_RF:x6010 |
| 0020.0020 | Cash on hand/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x12 | eba_BA:x6 | N/A | eba_MC:x44 | boe_eba_RF:x6011 |
| 0030.0010 | Cash balances at central banks/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | boe_eba_MC:x824 | N/A | N/A | eba_PL:x12 | eba_BA:x6 | eba_CT:x10 | eba_MC:x469 | boe_eba_RF:x6010 |
| 0030.0020 | Cash balances at central banks/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | boe_eba_MC:x824 | N/A | N/A | eba_PL:x12 | eba_BA:x6 | eba_CT:x10 | eba_MC:x469 | boe_eba_RF:x6011 |
| 0040.0010 | Other demand deposits/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | boe_eba_MC:x824 | N/A | N/A | eba_PL:x12 | eba_BA:x6 | eba_CT:x12 | eba_MC:x469 | boe_eba_RF:x6010 |
| 0040.0020 | Other demand deposits/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | boe_eba_MC:x824 | N/A | N/A | eba_PL:x12 | eba_BA:x6 | eba_CT:x12 | eba_MC:x469 | boe_eba_RF:x6011 |
| 0050.0010 | Financial assets held for trading/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x20 | eba_BA:x6 | N/A | eba_MC:x104 | boe_eba_RF:x6010 |
| 0050.0020 | Financial assets held for trading/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x20 | eba_BA:x6 | N/A | eba_MC:x104 | boe_eba_RF:x6011 |
| 0060.0010 | Derivatives/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x20 | eba_BA:x6 | N/A | eba_MC:x99 | boe_eba_RF:x6010 |
| 0060.0020 | Derivatives/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x20 | eba_BA:x6 | N/A | eba_MC:x99 | boe_eba_RF:x6011 |
| 0070.0010 | Equity instruments/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x20 | eba_BA:x6 | N/A | eba_MC:x130 | boe_eba_RF:x6010 |
| 0070.0020 | Equity instruments/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x20 | eba_BA:x6 | N/A | eba_MC:x130 | boe_eba_RF:x6011 |
| 0080.0010 | Debt securities/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x20 | eba_BA:x6 | N/A | eba_MC:x60 | boe_eba_RF:x6010 |
| 0080.0020 | Debt securities/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x20 | eba_BA:x6 | N/A | eba_MC:x60 | boe_eba_RF:x6011 |
| 0090.0010 | Loans and advances/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x20 | eba_BA:x6 | N/A | eba_MC:x469 | boe_eba_RF:x6010 |
| 0090.0020 | Loans and advances/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x20 | eba_BA:x6 | N/A | eba_MC:x469 | boe_eba_RF:x6011 |
| 0096.0010 | Non-trading financial assets mandatorily at fair value through profit or loss/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | boe_eba_PL:x500 | eba_BA:x6 | N/A | eba_MC:x143 | boe_eba_RF:x6010 |
| 0096.0020 | Non-trading financial assets mandatorily at fair value through profit or loss/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | boe_eba_PL:x500 | eba_BA:x6 | N/A | eba_MC:x143 | boe_eba_RF:x6011 |
| 0097.0010 | Equity instruments/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | boe_eba_PL:x500 | eba_BA:x6 | N/A | eba_MC:x130 | boe_eba_RF:x6010 |
| 0097.0020 | Equity instruments/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | boe_eba_PL:x500 | eba_BA:x6 | N/A | eba_MC:x130 | boe_eba_RF:x6011 |
| 0098.0010 | Debt securities/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | boe_eba_PL:x500 | eba_BA:x6 | N/A | eba_MC:x60 | boe_eba_RF:x6010 |
| 0098.0020 | Debt securities/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | boe_eba_PL:x500 | eba_BA:x6 | N/A | eba_MC:x60 | boe_eba_RF:x6011 |
| 0099.0010 | Loans and advances/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | boe_eba_PL:x500 | eba_BA:x6 | N/A | eba_MC:x469 | boe_eba_RF:x6010 |
| 0099.0020 | Loans and advances/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | boe_eba_PL:x500 | eba_BA:x6 | N/A | eba_MC:x469 | boe_eba_RF:x6011 |
| 0100.0010 | Financial assets designated at fair value through profit or loss/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x14 | eba_BA:x6 | N/A | eba_MC:x143 | boe_eba_RF:x6010 |
| 0100.0020 | Financial assets designated at fair value through profit or loss/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x14 | eba_BA:x6 | N/A | eba_MC:x143 | boe_eba_RF:x6011 |
| 0120.0010 | Debt securities/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x14 | eba_BA:x6 | N/A | eba_MC:x60 | boe_eba_RF:x6010 |
| 0120.0020 | Debt securities/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x14 | eba_BA:x6 | N/A | eba_MC:x60 | boe_eba_RF:x6011 |
| 0130.0010 | Loans and advances/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x14 | eba_BA:x6 | N/A | eba_MC:x469 | boe_eba_RF:x6010 |
| 0130.0020 | Loans and advances/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x14 | eba_BA:x6 | N/A | eba_MC:x469 | boe_eba_RF:x6011 |
| 0141.0010 | Financial assets at fair value through other comprehensive income/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | boe_eba_PL:x750 | eba_BA:x6 | N/A | eba_MC:x143 | boe_eba_RF:x6010 |
| 0141.0020 | Financial assets at fair value through other comprehensive income/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | boe_eba_PL:x750 | eba_BA:x6 | N/A | eba_MC:x143 | boe_eba_RF:x6011 |
| 0142.0010 | Equity instruments/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | boe_eba_PL:x750 | eba_BA:x6 | N/A | eba_MC:x130 | boe_eba_RF:x6010 |
| 0142.0020 | Equity instruments/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | boe_eba_PL:x750 | eba_BA:x6 | N/A | eba_MC:x130 | boe_eba_RF:x6011 |
| 0143.0010 | Debt securities/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | boe_eba_PL:x750 | eba_BA:x6 | N/A | eba_MC:x60 | boe_eba_RF:x6010 |
| 0143.0020 | Debt securities/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | boe_eba_PL:x750 | eba_BA:x6 | N/A | eba_MC:x60 | boe_eba_RF:x6011 |
| 0144.0010 | Loans and advances/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | boe_eba_PL:x750 | eba_BA:x6 | N/A | eba_MC:x469 | boe_eba_RF:x6010 |
| 0144.0020 | Loans and advances/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | boe_eba_PL:x750 | eba_BA:x6 | N/A | eba_MC:x469 | boe_eba_RF:x6011 |
| 0181.0010 | Financial assets at amortised cost/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x75 | eba_BA:x6 | N/A | eba_MC:x143 | boe_eba_RF:x6010 |
| 0181.0020 | Financial assets at amortised cost/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x75 | eba_BA:x6 | N/A | eba_MC:x143 | boe_eba_RF:x6011 |
| 0182.0010 | Debt securities/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x75 | eba_BA:x6 | N/A | eba_MC:x60 | boe_eba_RF:x6010 |
| 0182.0020 | Debt securities/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x75 | eba_BA:x6 | N/A | eba_MC:x60 | boe_eba_RF:x6011 |
| 0183.0010 | Loans and advances/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x75 | eba_BA:x6 | N/A | eba_MC:x469 | boe_eba_RF:x6010 |
| 0183.0020 | Loans and advances/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x75 | eba_BA:x6 | N/A | eba_MC:x469 | boe_eba_RF:x6011 |
| 0240.0010 | Derivatives – Hedge accounting/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x28 | eba_BA:x6 | N/A | eba_MC:x99 | boe_eba_RF:x6010 |
| 0240.0020 | Derivatives – Hedge accounting/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x28 | eba_BA:x6 | N/A | eba_MC:x99 | boe_eba_RF:x6011 |
| 0250.0010 | Fair value changes of the hedged items in portfolio hedge of interest rate risk/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | boe_eba_AP:x682 | N/A | boe_eba_MC:x731 | boe_eba_MC:x681 | eba_PL:x79 | eba_BA:x6 | N/A | boe_eba_MC:x691 | boe_eba_RF:x6010 |
| 0250.0020 | Fair value changes of the hedged items in portfolio hedge of interest rate risk/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | boe_eba_AP:x682 | N/A | boe_eba_MC:x731 | boe_eba_MC:x681 | eba_PL:x79 | eba_BA:x6 | N/A | boe_eba_MC:x691 | boe_eba_RF:x6011 |
| 0260.0010 | Investments in subsidiaries, joint ventures and associates/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x41 | eba_BA:x6 | N/A | eba_MC:x130 | boe_eba_RF:x6010 |
| 0260.0020 | Investments in subsidiaries, joint ventures and associates/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x41 | eba_BA:x6 | N/A | eba_MC:x130 | boe_eba_RF:x6011 |
| 0270.0010 | Tangible assets/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x79 | eba_BA:x6 | N/A | eba_MC:x329 | boe_eba_RF:x6010 |
| 0270.0020 | Tangible assets/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x79 | eba_BA:x6 | N/A | eba_MC:x329 | boe_eba_RF:x6011 |
| 0280.0010 | Property, Plant and Equipment/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x46 | eba_BA:x6 | N/A | eba_MC:x329 | boe_eba_RF:x6010 |
| 0280.0020 | Property, Plant and Equipment/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x46 | eba_BA:x6 | N/A | eba_MC:x329 | boe_eba_RF:x6011 |
| 0290.0010 | Investment property/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x37 | eba_BA:x6 | N/A | eba_MC:x329 | boe_eba_RF:x6010 |
| 0290.0020 | Investment property/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x37 | eba_BA:x6 | N/A | eba_MC:x329 | boe_eba_RF:x6011 |
| 0300.0010 | Intangible assets/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x79 | eba_BA:x6 | N/A | eba_MC:x209 | boe_eba_RF:x6010 |
| 0300.0020 | Intangible assets/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x79 | eba_BA:x6 | N/A | eba_MC:x209 | boe_eba_RF:x6011 |
| 0310.0010 | Goodwill/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x79 | eba_BA:x6 | N/A | eba_MC:x184 | boe_eba_RF:x6010 |
| 0310.0020 | Goodwill/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x79 | eba_BA:x6 | N/A | eba_MC:x184 | boe_eba_RF:x6011 |
| 0320.0010 | Other intangible assets/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x79 | eba_BA:x6 | N/A | eba_MC:x210 | boe_eba_RF:x6010 |
| 0320.0020 | Other intangible assets/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x79 | eba_BA:x6 | N/A | eba_MC:x210 | boe_eba_RF:x6011 |
| 0330.0010 | Tax assets/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x79 | eba_BA:x6 | N/A | eba_MC:x332 | boe_eba_RF:x6010 |
| 0330.0020 | Tax assets/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x79 | eba_BA:x6 | N/A | eba_MC:x332 | boe_eba_RF:x6011 |
| 0340.0010 | Current tax assets/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x79 | eba_BA:x6 | N/A | eba_MC:x56 | boe_eba_RF:x6010 |
| 0340.0020 | Current tax assets/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x79 | eba_BA:x6 | N/A | eba_MC:x56 | boe_eba_RF:x6011 |
| 0350.0010 | Deferred tax assets/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x79 | eba_BA:x6 | N/A | eba_MC:x76 | boe_eba_RF:x6010 |
| 0350.0020 | Deferred tax assets/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x79 | eba_BA:x6 | N/A | eba_MC:x76 | boe_eba_RF:x6011 |
| 0360.0010 | Other assets/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x79 | eba_BA:x6 | N/A | eba_MC:x33 | boe_eba_RF:x6010 |
| 0360.0020 | Other assets/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x79 | eba_BA:x6 | N/A | eba_MC:x33 | boe_eba_RF:x6011 |
| 0370.0010 | Non-current assets and disposal groups classified as held for sale/Forecast - end current year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x13 | eba_BA:x6 | N/A | eba_MC:x25 | boe_eba_RF:x6010 |
| 0370.0020 | Non-current assets and disposal groups classified as held for sale/Forecast - end next year | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | N/A | eba_PL:x13 | eba_BA:x6 | N/A | eba_MC:x25 | boe_eba_RF:x6011 |