| r0.C0010 | boe_a3473.root/Gold 995 | boe_met:ri9047 | xbrli:decimalItemType | instant | eba_RF:x0 | N/A | N/A | boe_eba_MC:x9252 | N/A | N/A |
| r0.C0020 | boe_a3473.root/Palladium 9995 | boe_met:ri9047 | xbrli:decimalItemType | instant | eba_RF:x0 | N/A | N/A | boe_eba_MC:x9253 | N/A | N/A |
| r0.C0030 | boe_a3473.root/Platinum 9995 | boe_met:ri9047 | xbrli:decimalItemType | instant | eba_RF:x0 | N/A | N/A | boe_eba_MC:x9254 | N/A | N/A |
| r0.C0040 | boe_a3473.root/Silver 999 | boe_met:ri9048 | xbrli:decimalItemType | instant | eba_RF:x0 | N/A | N/A | boe_eba_MC:x9255 | N/A | N/A |
| R0009.C0010 | Metal owner/Gold 995 | boe_met:ri9047 | xbrli:decimalItemType | instant | eba_RF:x0 | N/A | N/A | boe_eba_MC:x9252 | N/A | N/A |
| R0009.C0020 | Metal owner/Palladium 9995 | boe_met:ri9047 | xbrli:decimalItemType | instant | eba_RF:x0 | N/A | N/A | boe_eba_MC:x9253 | N/A | N/A |
| R0009.C0030 | Metal owner/Platinum 9995 | boe_met:ri9047 | xbrli:decimalItemType | instant | eba_RF:x0 | N/A | N/A | boe_eba_MC:x9254 | N/A | N/A |
| R0009.C0040 | Metal owner/Silver 999 | boe_met:ri9048 | xbrli:decimalItemType | instant | eba_RF:x0 | N/A | N/A | boe_eba_MC:x9255 | N/A | N/A |
| R0010.C0010 | Total physical stock of allocated precious metal/Gold 995 | boe_met:ri9047 | xbrli:decimalItemType | instant | eba_RF:x0 | boe_eba_BA:x9003 | N/A | boe_eba_MC:x9252 | N/A | N/A |
| R0010.C0020 | Total physical stock of allocated precious metal/Palladium 9995 | boe_met:ri9047 | xbrli:decimalItemType | instant | eba_RF:x0 | boe_eba_BA:x9003 | N/A | boe_eba_MC:x9253 | N/A | N/A |
| R0010.C0030 | Total physical stock of allocated precious metal/Platinum 9995 | boe_met:ri9047 | xbrli:decimalItemType | instant | eba_RF:x0 | boe_eba_BA:x9003 | N/A | boe_eba_MC:x9254 | N/A | N/A |
| R0010.C0040 | Total physical stock of allocated precious metal/Silver 999 | boe_met:ri9048 | xbrli:decimalItemType | instant | eba_RF:x0 | boe_eba_BA:x9003 | N/A | boe_eba_MC:x9255 | N/A | N/A |
| R0020.C0010 | Own balances/Gold 995 | boe_met:ri9047 | xbrli:decimalItemType | instant | eba_RF:x0 | eba_BA:x6 | N/A | boe_eba_MC:x9252 | N/A | N/A |
| R0020.C0020 | Own balances/Palladium 9995 | boe_met:ri9047 | xbrli:decimalItemType | instant | eba_RF:x0 | eba_BA:x6 | N/A | boe_eba_MC:x9253 | N/A | N/A |
| R0020.C0030 | Own balances/Platinum 9995 | boe_met:ri9047 | xbrli:decimalItemType | instant | eba_RF:x0 | eba_BA:x6 | N/A | boe_eba_MC:x9254 | N/A | N/A |
| R0020.C0040 | Own balances/Silver 999 | boe_met:ri9048 | xbrli:decimalItemType | instant | eba_RF:x0 | eba_BA:x6 | N/A | boe_eba_MC:x9255 | N/A | N/A |
| R0030.C0010 | Client balances/Gold 995 | boe_met:ri9047 | xbrli:decimalItemType | instant | eba_RF:x0 | eba_BA:x17 | N/A | boe_eba_MC:x9252 | N/A | eba_TA:x14 |
| R0030.C0020 | Client balances/Palladium 9995 | boe_met:ri9047 | xbrli:decimalItemType | instant | eba_RF:x0 | eba_BA:x17 | N/A | boe_eba_MC:x9253 | N/A | eba_TA:x14 |
| R0030.C0030 | Client balances/Platinum 9995 | boe_met:ri9047 | xbrli:decimalItemType | instant | eba_RF:x0 | eba_BA:x17 | N/A | boe_eba_MC:x9254 | N/A | eba_TA:x14 |
| R0030.C0040 | Client balances/Silver 999 | boe_met:ri9048 | xbrli:decimalItemType | instant | eba_RF:x0 | eba_BA:x17 | N/A | boe_eba_MC:x9255 | N/A | eba_TA:x14 |
| R0040.C0010 | Other UK banks and building societies/Gold 995 | boe_met:ri9047 | xbrli:decimalItemType | instant | eba_RF:x0 | eba_BA:x17 | boe_eba_CT:x9001 | boe_eba_MC:x9252 | eba_GA:GB | eba_TA:x14 |
| R0040.C0020 | Other UK banks and building societies/Palladium 9995 | boe_met:ri9047 | xbrli:decimalItemType | instant | eba_RF:x0 | eba_BA:x17 | boe_eba_CT:x9001 | boe_eba_MC:x9253 | eba_GA:GB | eba_TA:x14 |
| R0040.C0030 | Other UK banks and building societies/Platinum 9995 | boe_met:ri9047 | xbrli:decimalItemType | instant | eba_RF:x0 | eba_BA:x17 | boe_eba_CT:x9001 | boe_eba_MC:x9254 | eba_GA:GB | eba_TA:x14 |
| R0040.C0040 | Other UK banks and building societies/Silver 999 | boe_met:ri9048 | xbrli:decimalItemType | instant | eba_RF:x0 | eba_BA:x17 | boe_eba_CT:x9001 | boe_eba_MC:x9255 | eba_GA:GB | eba_TA:x14 |
| R0050.C0010 | Of which: Other reporting clearers/Gold 995 | boe_met:ri9047 | xbrli:decimalItemType | instant | eba_RF:x0 | eba_BA:x17 | boe_eba_CT:x9141 | boe_eba_MC:x9252 | eba_GA:GB | eba_TA:x14 |
| R0050.C0020 | Of which: Other reporting clearers/Palladium 9995 | boe_met:ri9047 | xbrli:decimalItemType | instant | eba_RF:x0 | eba_BA:x17 | boe_eba_CT:x9141 | boe_eba_MC:x9253 | eba_GA:GB | eba_TA:x14 |
| R0050.C0030 | Of which: Other reporting clearers/Platinum 9995 | boe_met:ri9047 | xbrli:decimalItemType | instant | eba_RF:x0 | eba_BA:x17 | boe_eba_CT:x9141 | boe_eba_MC:x9254 | eba_GA:GB | eba_TA:x14 |
| R0050.C0040 | Of which: Other reporting clearers/Silver 999 | boe_met:ri9048 | xbrli:decimalItemType | instant | eba_RF:x0 | eba_BA:x17 | boe_eba_CT:x9141 | boe_eba_MC:x9255 | eba_GA:GB | eba_TA:x14 |
| R0060.C0010 | Other UK residents/Gold 995 | boe_met:ri9047 | xbrli:decimalItemType | instant | eba_RF:x0 | eba_BA:x17 | boe_eba_CT:x9139 | boe_eba_MC:x9252 | eba_GA:GB | eba_TA:x14 |
| R0060.C0020 | Other UK residents/Palladium 9995 | boe_met:ri9047 | xbrli:decimalItemType | instant | eba_RF:x0 | eba_BA:x17 | boe_eba_CT:x9139 | boe_eba_MC:x9253 | eba_GA:GB | eba_TA:x14 |
| R0060.C0030 | Other UK residents/Platinum 9995 | boe_met:ri9047 | xbrli:decimalItemType | instant | eba_RF:x0 | eba_BA:x17 | boe_eba_CT:x9139 | boe_eba_MC:x9254 | eba_GA:GB | eba_TA:x14 |
| R0060.C0040 | Other UK residents/Silver 999 | boe_met:ri9048 | xbrli:decimalItemType | instant | eba_RF:x0 | eba_BA:x17 | boe_eba_CT:x9139 | boe_eba_MC:x9255 | eba_GA:GB | eba_TA:x14 |
| R0070.C0010 | Non-residents/Gold 995 | boe_met:ri9047 | xbrli:decimalItemType | instant | eba_RF:x0 | eba_BA:x17 | N/A | boe_eba_MC:x9252 | boe_eba_GA:x9001 | eba_TA:x14 |
| R0070.C0020 | Non-residents/Palladium 9995 | boe_met:ri9047 | xbrli:decimalItemType | instant | eba_RF:x0 | eba_BA:x17 | N/A | boe_eba_MC:x9253 | boe_eba_GA:x9001 | eba_TA:x14 |
| R0070.C0030 | Non-residents/Platinum 9995 | boe_met:ri9047 | xbrli:decimalItemType | instant | eba_RF:x0 | eba_BA:x17 | N/A | boe_eba_MC:x9254 | boe_eba_GA:x9001 | eba_TA:x14 |
| R0070.C0040 | Non-residents/Silver 999 | boe_met:ri9048 | xbrli:decimalItemType | instant | eba_RF:x0 | eba_BA:x17 | N/A | boe_eba_MC:x9255 | boe_eba_GA:x9001 | eba_TA:x14 |