| r0.0010 | eba_a2.root/On - and off - balance sheet business subject to market risk | eba_met:mi479 | xbrli:monetaryItemType | instant | N/A | eba_BA:x17 | eba_MC:x156 | eba_PL:x10 | N/A | N/A | N/A |
| r0.0020 | eba_a2.root/Trading book | eba_met:mi479 | xbrli:monetaryItemType | instant | N/A | eba_BA:x17 | eba_MC:x156 | eba_PL:x51 | N/A | N/A | N/A |
| r0.0030 | eba_a2.root/Total | eba_met:mi479 | xbrli:monetaryItemType | instant | eba_AP:x162 | eba_BA:x17 | eba_MC:x156 | eba_PL:x51 | N/A | N/A | N/A |
| r0.0040 | eba_a2.root/In % of total assets | eba_met:pi480 | num:percentItemType | instant | eba_AP:x162 | eba_BA:x17 | eba_MC:x156 | eba_PL:x51 | N/A | eba_MC:x25 | N/A |
| r0.0050 | eba_a2.root/Positions subject to foreign exchange risk | eba_met:mi479 | xbrli:monetaryItemType | instant | N/A | eba_BA:x17 | eba_MC:x156 | eba_PL:x11 | N/A | N/A | eba_TR:x16 |
| r0.0060 | eba_a2.root/Positions subject to Commodities risk | eba_met:mi479 | xbrli:monetaryItemType | instant | N/A | eba_BA:x17 | eba_MC:x156 | eba_PL:x11 | N/A | N/A | eba_TR:x12 |
| r0.0070 | eba_a2.root/In % of total assets | eba_met:pi481 | num:percentItemType | instant | N/A | eba_BA:x17 | eba_MC:x156 | eba_PL:x10 | N/A | eba_MC:x25 | N/A |
| r0.0080 | eba_a2.root/Total assets | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | eba_BA:x6 | eba_MC:x25 | N/A | N/A | N/A | N/A |
| 0010.0010 | Month 3/On - and off - balance sheet business subject to market risk | eba_met:mi479 | xbrli:monetaryItemType | instant | N/A | eba_BA:x17 | eba_MC:x156 | eba_PL:x10 | eba_RF:x87 | N/A | N/A |
| 0010.0020 | Month 3/Trading book | eba_met:mi479 | xbrli:monetaryItemType | instant | N/A | eba_BA:x17 | eba_MC:x156 | eba_PL:x51 | eba_RF:x87 | N/A | N/A |
| 0010.0030 | Month 3/Total | eba_met:mi479 | xbrli:monetaryItemType | instant | eba_AP:x162 | eba_BA:x17 | eba_MC:x156 | eba_PL:x51 | eba_RF:x87 | N/A | N/A |
| 0010.0040 | Month 3/In % of total assets | eba_met:pi480 | num:percentItemType | instant | eba_AP:x162 | eba_BA:x17 | eba_MC:x156 | eba_PL:x51 | eba_RF:x87 | eba_MC:x25 | N/A |
| 0010.0050 | Month 3/Positions subject to foreign exchange risk | eba_met:mi479 | xbrli:monetaryItemType | instant | N/A | eba_BA:x17 | eba_MC:x156 | eba_PL:x11 | eba_RF:x87 | N/A | eba_TR:x16 |
| 0010.0060 | Month 3/Positions subject to Commodities risk | eba_met:mi479 | xbrli:monetaryItemType | instant | N/A | eba_BA:x17 | eba_MC:x156 | eba_PL:x11 | eba_RF:x87 | N/A | eba_TR:x12 |
| 0010.0070 | Month 3/In % of total assets | eba_met:pi481 | num:percentItemType | instant | N/A | eba_BA:x17 | eba_MC:x156 | eba_PL:x10 | eba_RF:x87 | eba_MC:x25 | N/A |
| 0010.0080 | Month 3/Total assets | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | eba_BA:x6 | eba_MC:x25 | N/A | eba_RF:x87 | N/A | N/A |
| 0020.0010 | Month 2/On - and off - balance sheet business subject to market risk | eba_met:mi479 | xbrli:monetaryItemType | instant | N/A | eba_BA:x17 | eba_MC:x156 | eba_PL:x10 | eba_RF:x10 | N/A | N/A |
| 0020.0020 | Month 2/Trading book | eba_met:mi479 | xbrli:monetaryItemType | instant | N/A | eba_BA:x17 | eba_MC:x156 | eba_PL:x51 | eba_RF:x10 | N/A | N/A |
| 0020.0030 | Month 2/Total | eba_met:mi479 | xbrli:monetaryItemType | instant | eba_AP:x162 | eba_BA:x17 | eba_MC:x156 | eba_PL:x51 | eba_RF:x10 | N/A | N/A |
| 0020.0040 | Month 2/In % of total assets | eba_met:pi480 | num:percentItemType | instant | eba_AP:x162 | eba_BA:x17 | eba_MC:x156 | eba_PL:x51 | eba_RF:x10 | eba_MC:x25 | N/A |
| 0020.0050 | Month 2/Positions subject to foreign exchange risk | eba_met:mi479 | xbrli:monetaryItemType | instant | N/A | eba_BA:x17 | eba_MC:x156 | eba_PL:x11 | eba_RF:x10 | N/A | eba_TR:x16 |
| 0020.0060 | Month 2/Positions subject to Commodities risk | eba_met:mi479 | xbrli:monetaryItemType | instant | N/A | eba_BA:x17 | eba_MC:x156 | eba_PL:x11 | eba_RF:x10 | N/A | eba_TR:x12 |
| 0020.0070 | Month 2/In % of total assets | eba_met:pi481 | num:percentItemType | instant | N/A | eba_BA:x17 | eba_MC:x156 | eba_PL:x10 | eba_RF:x10 | eba_MC:x25 | N/A |
| 0020.0080 | Month 2/Total assets | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | eba_BA:x6 | eba_MC:x25 | N/A | eba_RF:x10 | N/A | N/A |
| 0030.0010 | Month 1/On - and off - balance sheet business subject to market risk | eba_met:mi479 | xbrli:monetaryItemType | instant | N/A | eba_BA:x17 | eba_MC:x156 | eba_PL:x10 | eba_RF:x9 | N/A | N/A |
| 0030.0020 | Month 1/Trading book | eba_met:mi479 | xbrli:monetaryItemType | instant | N/A | eba_BA:x17 | eba_MC:x156 | eba_PL:x51 | eba_RF:x9 | N/A | N/A |
| 0030.0030 | Month 1/Total | eba_met:mi479 | xbrli:monetaryItemType | instant | eba_AP:x162 | eba_BA:x17 | eba_MC:x156 | eba_PL:x51 | eba_RF:x9 | N/A | N/A |
| 0030.0040 | Month 1/In % of total assets | eba_met:pi480 | num:percentItemType | instant | eba_AP:x162 | eba_BA:x17 | eba_MC:x156 | eba_PL:x51 | eba_RF:x9 | eba_MC:x25 | N/A |
| 0030.0050 | Month 1/Positions subject to foreign exchange risk | eba_met:mi479 | xbrli:monetaryItemType | instant | N/A | eba_BA:x17 | eba_MC:x156 | eba_PL:x11 | eba_RF:x9 | N/A | eba_TR:x16 |
| 0030.0060 | Month 1/Positions subject to Commodities risk | eba_met:mi479 | xbrli:monetaryItemType | instant | N/A | eba_BA:x17 | eba_MC:x156 | eba_PL:x11 | eba_RF:x9 | N/A | eba_TR:x12 |
| 0030.0070 | Month 1/In % of total assets | eba_met:pi481 | num:percentItemType | instant | N/A | eba_BA:x17 | eba_MC:x156 | eba_PL:x10 | eba_RF:x9 | eba_MC:x25 | N/A |
| 0030.0080 | Month 1/Total assets | eba_met:mi53 | xbrli:monetaryItemType | instant | N/A | eba_BA:x6 | eba_MC:x25 | N/A | eba_RF:x9 | N/A | N/A |