| r0.010 | boe_a329.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 |
| r0.020 | boe_a329.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 |
| r0.030 | boe_a329.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 |
| 010.010 | 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 |
| 010.020 | 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 |
| 010.030 | 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 |
| 020.010 | 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 |
| 020.020 | 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 |
| 020.030 | 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 |
| 030.010 | 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 |
| 030.020 | 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 |
| 030.030 | 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 |
| 040.010 | 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 |
| 040.020 | 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 |
| 040.030 | 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 |
| 050.010 | 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 |
| 050.020 | 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 |
| 050.030 | 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 |
| 051.010 | 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 |
| 051.020 | 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 |
| 051.030 | 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 |
| 052.010 | 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 |
| 052.020 | 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 |
| 052.030 | 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 |
| 053.010 | 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 |
| 053.020 | 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 |
| 053.030 | 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 |
| 054.010 | 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 |
| 054.020 | 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 |
| 054.030 | 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 |
| 360.010 | 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 |
| 360.020 | 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 |
| 360.030 | 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 |
| 370.010 | 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 |
| 370.020 | 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 |
| 370.030 | 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 |
| 380.010 | 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 |
| 380.020 | 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 |
| 380.030 | 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 |
| 390.010 | 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 |
| 390.020 | 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 |
| 390.030 | 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 |
| 400.010 | 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 |
| 400.020 | 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 |
| 400.030 | 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 |
| 410.010 | 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 |
| 410.020 | 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 |
| 410.030 | 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 |
| 420.010 | 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 |
| 420.020 | 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 |
| 420.030 | 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 |
| 430.010 | 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 |
| 430.020 | 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 |
| 430.030 | 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 |
| 440.010 | 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 |
| 440.020 | 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 |
| 440.030 | 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 |
| 445.010 | 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 |
| 445.020 | 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 |
| 445.030 | 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 |