| r0.0010 | boe_a2561.root/Held for trading | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x26 | eba_BA:x7 | N/A | N/A | N/A | boe_eba_RP:x6004 |
| r0.0020 | boe_a2561.root/Designated at fair value through profit or loss | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x25 | eba_BA:x7 | N/A | N/A | N/A | boe_eba_RP:x6004 |
| r0.0030 | boe_a2561.root/Amortised cost | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | N/A | N/A | N/A | boe_eba_RP:x6004 |
| 0010.0010 | Derivatives/Held for trading | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x26 | eba_BA:x7 | N/A | N/A | eba_MC:x99 | boe_eba_RP:x6004 |
| 0010.0020 | Derivatives/Designated at fair value through profit or loss | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x25 | eba_BA:x7 | N/A | N/A | eba_MC:x99 | boe_eba_RP:x6004 |
| 0010.0030 | Derivatives/Amortised cost | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | N/A | N/A | eba_MC:x99 | boe_eba_RP:x6004 |
| 0020.0010 | Short positions/Held for trading | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x26 | eba_BA:x7 | N/A | N/A | eba_MC:x323 | boe_eba_RP:x6004 |
| 0020.0020 | Short positions/Designated at fair value through profit or loss | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x25 | eba_BA:x7 | N/A | N/A | eba_MC:x323 | boe_eba_RP:x6004 |
| 0020.0030 | Short positions/Amortised cost | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | N/A | N/A | eba_MC:x323 | boe_eba_RP:x6004 |
| 0030.0010 | Equity instruments/Held for trading | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x26 | eba_BA:x7 | N/A | eba_MC:x130 | eba_MC:x323 | boe_eba_RP:x6004 |
| 0030.0020 | Equity instruments/Designated at fair value through profit or loss | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x25 | eba_BA:x7 | N/A | eba_MC:x130 | eba_MC:x323 | boe_eba_RP:x6004 |
| 0030.0030 | Equity instruments/Amortised cost | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | N/A | eba_MC:x130 | eba_MC:x323 | boe_eba_RP:x6004 |
| 0040.0010 | Debt securities/Held for trading | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x26 | eba_BA:x7 | N/A | eba_MC:x60 | eba_MC:x323 | boe_eba_RP:x6004 |
| 0040.0020 | Debt securities/Designated at fair value through profit or loss | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x25 | eba_BA:x7 | N/A | eba_MC:x60 | eba_MC:x323 | boe_eba_RP:x6004 |
| 0040.0030 | Debt securities/Amortised cost | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | N/A | eba_MC:x60 | eba_MC:x323 | boe_eba_RP:x6004 |
| 0050.0010 | Deposits/Held for trading | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x26 | eba_BA:x7 | N/A | N/A | eba_MC:x135 | boe_eba_RP:x6004 |
| 0050.0020 | Deposits/Designated at fair value through profit or loss | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x25 | eba_BA:x7 | N/A | N/A | eba_MC:x135 | boe_eba_RP:x6004 |
| 0050.0030 | Deposits/Amortised cost | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | N/A | N/A | eba_MC:x135 | boe_eba_RP:x6004 |
| 0051.0010 | Current accounts / overnight deposits/Held for trading | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x26 | eba_BA:x7 | eba_MC:x807 | N/A | eba_MC:x135 | boe_eba_RP:x6004 |
| 0051.0020 | Current accounts / overnight deposits/Designated at fair value through profit or loss | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x25 | eba_BA:x7 | eba_MC:x807 | N/A | eba_MC:x135 | boe_eba_RP:x6004 |
| 0051.0030 | Current accounts / overnight deposits/Amortised cost | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | eba_MC:x807 | N/A | eba_MC:x135 | boe_eba_RP:x6004 |
| 0052.0010 | Deposits with agreed maturity/Held for trading | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x26 | eba_BA:x7 | eba_MC:x810 | N/A | eba_MC:x135 | boe_eba_RP:x6004 |
| 0052.0020 | Deposits with agreed maturity/Designated at fair value through profit or loss | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x25 | eba_BA:x7 | eba_MC:x810 | N/A | eba_MC:x135 | boe_eba_RP:x6004 |
| 0052.0030 | Deposits with agreed maturity/Amortised cost | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | eba_MC:x810 | N/A | eba_MC:x135 | boe_eba_RP:x6004 |
| 0053.0010 | Deposits redeemable at notice/Held for trading | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x26 | eba_BA:x7 | eba_MC:x808 | N/A | eba_MC:x135 | boe_eba_RP:x6004 |
| 0053.0020 | Deposits redeemable at notice/Designated at fair value through profit or loss | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x25 | eba_BA:x7 | eba_MC:x808 | N/A | eba_MC:x135 | boe_eba_RP:x6004 |
| 0053.0030 | Deposits redeemable at notice/Amortised cost | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | eba_MC:x808 | N/A | eba_MC:x135 | boe_eba_RP:x6004 |
| 0054.0010 | Repurchase agreements/Held for trading | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x26 | eba_BA:x7 | eba_MC:x809 | N/A | eba_MC:x135 | boe_eba_RP:x6004 |
| 0054.0020 | Repurchase agreements/Designated at fair value through profit or loss | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x25 | eba_BA:x7 | eba_MC:x809 | N/A | eba_MC:x135 | boe_eba_RP:x6004 |
| 0054.0030 | Repurchase agreements/Amortised cost | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | eba_MC:x809 | N/A | eba_MC:x135 | boe_eba_RP:x6004 |
| 0360.0010 | Debt securities issued/Held for trading | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x26 | eba_BA:x7 | N/A | N/A | eba_MC:x146 | boe_eba_RP:x6004 |
| 0360.0020 | Debt securities issued/Designated at fair value through profit or loss | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x25 | eba_BA:x7 | N/A | N/A | eba_MC:x146 | boe_eba_RP:x6004 |
| 0360.0030 | Debt securities issued/Amortised cost | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | N/A | N/A | eba_MC:x146 | boe_eba_RP:x6004 |
| 0370.0010 | Certificates of deposits/Held for trading | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x26 | eba_BA:x7 | eba_MC:x804 | N/A | eba_MC:x146 | boe_eba_RP:x6004 |
| 0370.0020 | Certificates of deposits/Designated at fair value through profit or loss | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x25 | eba_BA:x7 | eba_MC:x804 | N/A | eba_MC:x146 | boe_eba_RP:x6004 |
| 0370.0030 | Certificates of deposits/Amortised cost | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | eba_MC:x804 | N/A | eba_MC:x146 | boe_eba_RP:x6004 |
| 0380.0010 | Asset-backed securities/Held for trading | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x26 | eba_BA:x7 | eba_MC:x803 | N/A | eba_MC:x146 | boe_eba_RP:x6004 |
| 0380.0020 | Asset-backed securities/Designated at fair value through profit or loss | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x25 | eba_BA:x7 | eba_MC:x803 | N/A | eba_MC:x146 | boe_eba_RP:x6004 |
| 0380.0030 | Asset-backed securities/Amortised cost | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | eba_MC:x803 | N/A | eba_MC:x146 | boe_eba_RP:x6004 |
| 0390.0010 | Covered bonds/Held for trading | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x26 | eba_BA:x7 | eba_MC:x805 | N/A | eba_MC:x146 | boe_eba_RP:x6004 |
| 0390.0020 | Covered bonds/Designated at fair value through profit or loss | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x25 | eba_BA:x7 | eba_MC:x805 | N/A | eba_MC:x146 | boe_eba_RP:x6004 |
| 0390.0030 | Covered bonds/Amortised cost | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | eba_MC:x805 | N/A | eba_MC:x146 | boe_eba_RP:x6004 |
| 0400.0010 | Hybrid contracts/Held for trading | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x26 | eba_BA:x7 | eba_MC:x806 | N/A | eba_MC:x146 | boe_eba_RP:x6004 |
| 0400.0020 | Hybrid contracts/Designated at fair value through profit or loss | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x25 | eba_BA:x7 | eba_MC:x806 | N/A | eba_MC:x146 | boe_eba_RP:x6004 |
| 0400.0030 | Hybrid contracts/Amortised cost | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | eba_MC:x806 | N/A | eba_MC:x146 | boe_eba_RP:x6004 |
| 0410.0010 | Other debt securities issued/Held for trading | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x26 | eba_BA:x7 | eba_MC:x800 | N/A | eba_MC:x146 | boe_eba_RP:x6004 |
| 0410.0020 | Other debt securities issued/Designated at fair value through profit or loss | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x25 | eba_BA:x7 | eba_MC:x800 | N/A | eba_MC:x146 | boe_eba_RP:x6004 |
| 0410.0030 | Other debt securities issued/Amortised cost | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | eba_MC:x800 | N/A | eba_MC:x146 | boe_eba_RP:x6004 |
| 0420.0010 | Convertible compound financial instruments/Held for trading | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x26 | eba_BA:x7 | eba_MC:x801 | N/A | eba_MC:x146 | boe_eba_RP:x6004 |
| 0420.0020 | Convertible compound financial instruments/Designated at fair value through profit or loss | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x25 | eba_BA:x7 | eba_MC:x801 | N/A | eba_MC:x146 | boe_eba_RP:x6004 |
| 0420.0030 | Convertible compound financial instruments/Amortised cost | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | eba_MC:x801 | N/A | eba_MC:x146 | boe_eba_RP:x6004 |
| 0430.0010 | Non-convertible/Held for trading | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x26 | eba_BA:x7 | eba_MC:x802 | N/A | eba_MC:x146 | boe_eba_RP:x6004 |
| 0430.0020 | Non-convertible/Designated at fair value through profit or loss | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x25 | eba_BA:x7 | eba_MC:x802 | N/A | eba_MC:x146 | boe_eba_RP:x6004 |
| 0430.0030 | Non-convertible/Amortised cost | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | eba_MC:x802 | N/A | eba_MC:x146 | boe_eba_RP:x6004 |
| 0440.0010 | Other financial liabilities/Held for trading | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x26 | eba_BA:x7 | N/A | N/A | eba_MC:x264 | boe_eba_RP:x6004 |
| 0440.0020 | Other financial liabilities/Designated at fair value through profit or loss | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x25 | eba_BA:x7 | N/A | N/A | eba_MC:x264 | boe_eba_RP:x6004 |
| 0440.0030 | Other financial liabilities/Amortised cost | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | N/A | N/A | eba_MC:x264 | boe_eba_RP:x6004 |
| 0445.0010 | of which: lease liabilities/Held for trading | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x26 | eba_BA:x7 | eba_MC:x729 | N/A | eba_MC:x264 | boe_eba_RP:x6004 |
| 0445.0020 | of which: lease liabilities/Designated at fair value through profit or loss | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x25 | eba_BA:x7 | eba_MC:x729 | N/A | eba_MC:x264 | boe_eba_RP:x6004 |
| 0445.0030 | of which: lease liabilities/Amortised cost | eba_met:mi53 | xbrli:monetaryItemType | instant | eba_PL:x27 | eba_BA:x7 | eba_MC:x729 | N/A | eba_MC:x264 | boe_eba_RP:x6004 |