| r0.C0010 | C Country breakdown/Acquisitions | boe_met:md9063 | xbrli:monetaryItemType | instant | boe_eba_GA:x9003 | boe_eba_MC:x9335 | boe_eba_PL:x9055 | boe_eba_MC:x9257 | * | boe_eba_RP:x9004 | boe_eba_MA:x9001 |
| r0.C0020 | C Country breakdown/Disposals | boe_met:md9063 | xbrli:monetaryItemType | instant | boe_eba_GA:x9003 | boe_eba_MC:x9335 | boe_eba_PL:x9055 | boe_eba_MC:x9258 | * | boe_eba_RP:x9004 | boe_eba_MA:x9001 |
| r0.C0030 | C Country breakdown/Total equity capital and reserves | boe_met:mi9064 | xbrli:monetaryItemType | instant | boe_eba_GA:x9003 | N/A | boe_eba_PL:x9055 | boe_eba_MC:x9264 | * | boe_eba_RP:x9004 | boe_eba_MA:x9001 |
| r0.C0040 | C Country breakdown/Acquisitions | boe_met:md9063 | xbrli:monetaryItemType | instant | boe_eba_GA:x9003 | boe_eba_MC:x9335 | boe_eba_PL:x9055 | boe_eba_MC:x9257 | * | boe_eba_RP:x9004 | eba_MA:x9 |
| r0.C0050 | C Country breakdown/Disposals | boe_met:md9063 | xbrli:monetaryItemType | instant | boe_eba_GA:x9003 | boe_eba_MC:x9335 | boe_eba_PL:x9055 | boe_eba_MC:x9258 | * | boe_eba_RP:x9004 | eba_MA:x9 |
| r0.C0060 | C Country breakdown/Total equity capital and reserves | boe_met:mi9064 | xbrli:monetaryItemType | instant | boe_eba_GA:x9003 | N/A | boe_eba_PL:x9055 | boe_eba_MC:x9264 | * | boe_eba_RP:x9004 | eba_MA:x9 |
| r0.C0070 | C Country breakdown/Acquisitions | boe_met:md9063 | xbrli:monetaryItemType | instant | boe_eba_GA:x9003 | boe_eba_MC:x9335 | boe_eba_PL:x9056 | boe_eba_MC:x9257 | * | boe_eba_RP:x9004 | boe_eba_MA:x9001 |
| r0.C0080 | C Country breakdown/Disposals | boe_met:md9063 | xbrli:monetaryItemType | instant | boe_eba_GA:x9003 | boe_eba_MC:x9335 | boe_eba_PL:x9056 | boe_eba_MC:x9258 | * | boe_eba_RP:x9004 | boe_eba_MA:x9001 |
| r0.C0090 | C Country breakdown/Total equity capital and reserves | boe_met:mi9064 | xbrli:monetaryItemType | instant | boe_eba_GA:x9003 | N/A | boe_eba_PL:x9056 | boe_eba_MC:x9264 | * | boe_eba_RP:x9004 | boe_eba_MA:x9001 |
| r0.C0100 | C Country breakdown/Acquisitions | boe_met:md9063 | xbrli:monetaryItemType | instant | boe_eba_GA:x9003 | boe_eba_MC:x9335 | boe_eba_PL:x9056 | boe_eba_MC:x9257 | * | boe_eba_RP:x9004 | eba_MA:x9 |
| r0.C0110 | C Country breakdown/Disposals | boe_met:md9063 | xbrli:monetaryItemType | instant | boe_eba_GA:x9003 | boe_eba_MC:x9335 | boe_eba_PL:x9056 | boe_eba_MC:x9258 | * | boe_eba_RP:x9004 | eba_MA:x9 |
| r0.C0120 | C Country breakdown/Total equity capital and reserves | boe_met:mi9064 | xbrli:monetaryItemType | instant | boe_eba_GA:x9003 | N/A | boe_eba_PL:x9056 | boe_eba_MC:x9264 | * | boe_eba_RP:x9004 | eba_MA:x9 |