| r0.C0010 | boemd_a1261.root/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | N/A | N/A |
| r0.C0020 | boemd_a1261.root/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | N/A | N/A |
| r0.C0030 | boemd_a1261.root/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | N/A | N/A |
| r0.C0040 | boemd_a1261.root/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | N/A | N/A |
| r0.C0050 | boemd_a1261.root/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | N/A | N/A |
| r0.C0060 | boemd_a1261.root/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | N/A | N/A |
| r0.C0070 | boemd_a1261.root/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | N/A | N/A |
| r0.C0090 | boemd_a1261.root/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | N/A | N/A |
| R1809.C0010 | Assumption/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1809.C0020 | Assumption/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1809.C0030 | Assumption/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1809.C0040 | Assumption/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1809.C0050 | Assumption/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1809.C0060 | Assumption/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1809.C0070 | Assumption/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1809.C0090 | Assumption/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | N/A | N/A |
| R1810.C0010 | Renewal management unit cost - with-profits endowment/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1810.C0020 | Renewal management unit cost - with-profits endowment/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1810.C0030 | Renewal management unit cost - with-profits endowment/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1810.C0040 | Renewal management unit cost - with-profits endowment/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1810.C0050 | Renewal management unit cost - with-profits endowment/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1810.C0060 | Renewal management unit cost - with-profits endowment/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1810.C0070 | Renewal management unit cost - with-profits endowment/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1810.C0090 | Renewal management unit cost - with-profits endowment/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | N/A | N/A |
| R1820.C0010 | Subcategory 1/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b45 |
| R1820.C0020 | Subcategory 1/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b45 |
| R1820.C0030 | Subcategory 1/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b45 |
| R1820.C0040 | Subcategory 1/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b45 |
| R1820.C0050 | Subcategory 1/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b45 |
| R1820.C0060 | Subcategory 1/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b45 |
| R1820.C0070 | Subcategory 1/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b45 |
| R1820.C0090 | Subcategory 1/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b45 |
| R1830.C0010 | Subcategory 2/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b45 |
| R1830.C0020 | Subcategory 2/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b45 |
| R1830.C0030 | Subcategory 2/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b45 |
| R1830.C0040 | Subcategory 2/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b45 |
| R1830.C0050 | Subcategory 2/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b45 |
| R1830.C0060 | Subcategory 2/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b45 |
| R1830.C0070 | Subcategory 2/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b45 |
| R1830.C0090 | Subcategory 2/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b45 |
| R1840.C0010 | Subcategory 3/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b45 |
| R1840.C0020 | Subcategory 3/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b45 |
| R1840.C0030 | Subcategory 3/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b45 |
| R1840.C0040 | Subcategory 3/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b45 |
| R1840.C0050 | Subcategory 3/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b45 |
| R1840.C0060 | Subcategory 3/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b45 |
| R1840.C0070 | Subcategory 3/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b45 |
| R1840.C0090 | Subcategory 3/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b45 |
| R1850.C0010 | Renewal management unit cost - unit-linked endowment/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1850.C0020 | Renewal management unit cost - unit-linked endowment/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1850.C0030 | Renewal management unit cost - unit-linked endowment/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1850.C0040 | Renewal management unit cost - unit-linked endowment/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1850.C0050 | Renewal management unit cost - unit-linked endowment/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1850.C0060 | Renewal management unit cost - unit-linked endowment/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1850.C0070 | Renewal management unit cost - unit-linked endowment/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1850.C0090 | Renewal management unit cost - unit-linked endowment/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | N/A | N/A |
| R1860.C0010 | Subcategory 1/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b46 |
| R1860.C0020 | Subcategory 1/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b46 |
| R1860.C0030 | Subcategory 1/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b46 |
| R1860.C0040 | Subcategory 1/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b46 |
| R1860.C0050 | Subcategory 1/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b46 |
| R1860.C0060 | Subcategory 1/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b46 |
| R1860.C0070 | Subcategory 1/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b46 |
| R1860.C0090 | Subcategory 1/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b46 |
| R1870.C0010 | Subcategory 2/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b46 |
| R1870.C0020 | Subcategory 2/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b46 |
| R1870.C0030 | Subcategory 2/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b46 |
| R1870.C0040 | Subcategory 2/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b46 |
| R1870.C0050 | Subcategory 2/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b46 |
| R1870.C0060 | Subcategory 2/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b46 |
| R1870.C0070 | Subcategory 2/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b46 |
| R1870.C0090 | Subcategory 2/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b46 |
| R1880.C0010 | Subcategory 3/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b46 |
| R1880.C0020 | Subcategory 3/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b46 |
| R1880.C0030 | Subcategory 3/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b46 |
| R1880.C0040 | Subcategory 3/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b46 |
| R1880.C0050 | Subcategory 3/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b46 |
| R1880.C0060 | Subcategory 3/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b46 |
| R1880.C0070 | Subcategory 3/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b46 |
| R1880.C0090 | Subcategory 3/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b46 |
| R1890.C0010 | Renewal management unit cost - term assurance/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1890.C0020 | Renewal management unit cost - term assurance/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1890.C0030 | Renewal management unit cost - term assurance/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1890.C0040 | Renewal management unit cost - term assurance/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1890.C0050 | Renewal management unit cost - term assurance/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1890.C0060 | Renewal management unit cost - term assurance/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1890.C0070 | Renewal management unit cost - term assurance/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1890.C0090 | Renewal management unit cost - term assurance/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | N/A | N/A |
| R1900.C0010 | Subcategory 1/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b47 |
| R1900.C0020 | Subcategory 1/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b47 |
| R1900.C0030 | Subcategory 1/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b47 |
| R1900.C0040 | Subcategory 1/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b47 |
| R1900.C0050 | Subcategory 1/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b47 |
| R1900.C0060 | Subcategory 1/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b47 |
| R1900.C0070 | Subcategory 1/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b47 |
| R1900.C0090 | Subcategory 1/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b47 |
| R1910.C0010 | Subcategory 2/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b47 |
| R1910.C0020 | Subcategory 2/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b47 |
| R1910.C0030 | Subcategory 2/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b47 |
| R1910.C0040 | Subcategory 2/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b47 |
| R1910.C0050 | Subcategory 2/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b47 |
| R1910.C0060 | Subcategory 2/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b47 |
| R1910.C0070 | Subcategory 2/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b47 |
| R1910.C0090 | Subcategory 2/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b47 |
| R1920.C0010 | Subcategory 3/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b47 |
| R1920.C0020 | Subcategory 3/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b47 |
| R1920.C0030 | Subcategory 3/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b47 |
| R1920.C0040 | Subcategory 3/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b47 |
| R1920.C0050 | Subcategory 3/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b47 |
| R1920.C0060 | Subcategory 3/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b47 |
| R1920.C0070 | Subcategory 3/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b47 |
| R1920.C0090 | Subcategory 3/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b47 |
| R1930.C0010 | Renewal management unit cost - investment bond/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1930.C0020 | Renewal management unit cost - investment bond/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1930.C0030 | Renewal management unit cost - investment bond/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1930.C0040 | Renewal management unit cost - investment bond/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1930.C0050 | Renewal management unit cost - investment bond/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1930.C0060 | Renewal management unit cost - investment bond/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1930.C0070 | Renewal management unit cost - investment bond/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1930.C0090 | Renewal management unit cost - investment bond/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | N/A | N/A |
| R1940.C0010 | Subcategory 1/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b48 |
| R1940.C0020 | Subcategory 1/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b48 |
| R1940.C0030 | Subcategory 1/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b48 |
| R1940.C0040 | Subcategory 1/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b48 |
| R1940.C0050 | Subcategory 1/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b48 |
| R1940.C0060 | Subcategory 1/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b48 |
| R1940.C0070 | Subcategory 1/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b48 |
| R1940.C0090 | Subcategory 1/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b48 |
| R1950.C0010 | Subcategory 2/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b48 |
| R1950.C0020 | Subcategory 2/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b48 |
| R1950.C0030 | Subcategory 2/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b48 |
| R1950.C0040 | Subcategory 2/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b48 |
| R1950.C0050 | Subcategory 2/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b48 |
| R1950.C0060 | Subcategory 2/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b48 |
| R1950.C0070 | Subcategory 2/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b48 |
| R1950.C0090 | Subcategory 2/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b48 |
| R1960.C0010 | Subcategory 3/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b48 |
| R1960.C0020 | Subcategory 3/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b48 |
| R1960.C0030 | Subcategory 3/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b48 |
| R1960.C0040 | Subcategory 3/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b48 |
| R1960.C0050 | Subcategory 3/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b48 |
| R1960.C0060 | Subcategory 3/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b48 |
| R1960.C0070 | Subcategory 3/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b48 |
| R1960.C0090 | Subcategory 3/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b48 |
| R1970.C0010 | Renewal management unit cost - with-profits individual pension/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1970.C0020 | Renewal management unit cost - with-profits individual pension/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1970.C0030 | Renewal management unit cost - with-profits individual pension/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1970.C0040 | Renewal management unit cost - with-profits individual pension/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1970.C0050 | Renewal management unit cost - with-profits individual pension/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1970.C0060 | Renewal management unit cost - with-profits individual pension/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1970.C0070 | Renewal management unit cost - with-profits individual pension/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | N/A | N/A |
| R1970.C0090 | Renewal management unit cost - with-profits individual pension/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | N/A | N/A |
| R1980.C0010 | Subcategory 1/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b49 |
| R1980.C0020 | Subcategory 1/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b49 |
| R1980.C0030 | Subcategory 1/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b49 |
| R1980.C0040 | Subcategory 1/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b49 |
| R1980.C0050 | Subcategory 1/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b49 |
| R1980.C0060 | Subcategory 1/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b49 |
| R1980.C0070 | Subcategory 1/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b49 |
| R1980.C0090 | Subcategory 1/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b49 |
| R1990.C0010 | Subcategory 2/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b49 |
| R1990.C0020 | Subcategory 2/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b49 |
| R1990.C0030 | Subcategory 2/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b49 |
| R1990.C0040 | Subcategory 2/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b49 |
| R1990.C0050 | Subcategory 2/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b49 |
| R1990.C0060 | Subcategory 2/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b49 |
| R1990.C0070 | Subcategory 2/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b49 |
| R1990.C0090 | Subcategory 2/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b49 |
| R2000.C0010 | Subcategory 3/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b49 |
| R2000.C0020 | Subcategory 3/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b49 |
| R2000.C0030 | Subcategory 3/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b49 |
| R2000.C0040 | Subcategory 3/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b49 |
| R2000.C0050 | Subcategory 3/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b49 |
| R2000.C0060 | Subcategory 3/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b49 |
| R2000.C0070 | Subcategory 3/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b49 |
| R2000.C0090 | Subcategory 3/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b49 |
| R2010.C0010 | Renewal management unit cost - unit-linked individual pension/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | N/A | N/A |
| R2010.C0020 | Renewal management unit cost - unit-linked individual pension/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | N/A | N/A |
| R2010.C0030 | Renewal management unit cost - unit-linked individual pension/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | N/A | N/A |
| R2010.C0040 | Renewal management unit cost - unit-linked individual pension/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | N/A | N/A |
| R2010.C0050 | Renewal management unit cost - unit-linked individual pension/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | N/A | N/A |
| R2010.C0060 | Renewal management unit cost - unit-linked individual pension/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | N/A | N/A |
| R2010.C0070 | Renewal management unit cost - unit-linked individual pension/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | N/A | N/A |
| R2010.C0090 | Renewal management unit cost - unit-linked individual pension/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | N/A | N/A |
| R2020.C0010 | Subcategory 1/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b50 |
| R2020.C0020 | Subcategory 1/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b50 |
| R2020.C0030 | Subcategory 1/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b50 |
| R2020.C0040 | Subcategory 1/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b50 |
| R2020.C0050 | Subcategory 1/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b50 |
| R2020.C0060 | Subcategory 1/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b50 |
| R2020.C0070 | Subcategory 1/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b50 |
| R2020.C0090 | Subcategory 1/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b50 |
| R2030.C0010 | Subcategory 2/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b50 |
| R2030.C0020 | Subcategory 2/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b50 |
| R2030.C0030 | Subcategory 2/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b50 |
| R2030.C0040 | Subcategory 2/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b50 |
| R2030.C0050 | Subcategory 2/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b50 |
| R2030.C0060 | Subcategory 2/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b50 |
| R2030.C0070 | Subcategory 2/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b50 |
| R2030.C0090 | Subcategory 2/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b50 |
| R2040.C0010 | Subcategory 3/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b50 |
| R2040.C0020 | Subcategory 3/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b50 |
| R2040.C0030 | Subcategory 3/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b50 |
| R2040.C0040 | Subcategory 3/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b50 |
| R2040.C0050 | Subcategory 3/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b50 |
| R2040.C0060 | Subcategory 3/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b50 |
| R2040.C0070 | Subcategory 3/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b50 |
| R2040.C0090 | Subcategory 3/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b50 |
| R2050.C0010 | Renewal management unit cost - annuity/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | N/A | N/A |
| R2050.C0020 | Renewal management unit cost - annuity/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | N/A | N/A |
| R2050.C0030 | Renewal management unit cost - annuity/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | N/A | N/A |
| R2050.C0040 | Renewal management unit cost - annuity/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | N/A | N/A |
| R2050.C0050 | Renewal management unit cost - annuity/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | N/A | N/A |
| R2050.C0060 | Renewal management unit cost - annuity/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | N/A | N/A |
| R2050.C0070 | Renewal management unit cost - annuity/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | N/A | N/A |
| R2050.C0090 | Renewal management unit cost - annuity/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | N/A | N/A |
| R2060.C0010 | Subcategory 1/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b51 |
| R2060.C0020 | Subcategory 1/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b51 |
| R2060.C0030 | Subcategory 1/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b51 |
| R2060.C0040 | Subcategory 1/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b51 |
| R2060.C0050 | Subcategory 1/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b51 |
| R2060.C0060 | Subcategory 1/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b51 |
| R2060.C0070 | Subcategory 1/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b51 |
| R2060.C0090 | Subcategory 1/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b51 |
| R2070.C0010 | Subcategory 2/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b51 |
| R2070.C0020 | Subcategory 2/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b51 |
| R2070.C0030 | Subcategory 2/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b51 |
| R2070.C0040 | Subcategory 2/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b51 |
| R2070.C0050 | Subcategory 2/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b51 |
| R2070.C0060 | Subcategory 2/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b51 |
| R2070.C0070 | Subcategory 2/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b51 |
| R2070.C0090 | Subcategory 2/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b51 |
| R2080.C0010 | Subcategory 3/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b51 |
| R2080.C0020 | Subcategory 3/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b51 |
| R2080.C0030 | Subcategory 3/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b51 |
| R2080.C0040 | Subcategory 3/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b51 |
| R2080.C0050 | Subcategory 3/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b51 |
| R2080.C0060 | Subcategory 3/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b51 |
| R2080.C0070 | Subcategory 3/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b51 |
| R2080.C0090 | Subcategory 3/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b51 |
| R2090.C0010 | Aggregate valuation expense loadings for year following valuation/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | N/A | N/A |
| R2090.C0020 | Aggregate valuation expense loadings for year following valuation/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | N/A | N/A |
| R2090.C0030 | Aggregate valuation expense loadings for year following valuation/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | N/A | N/A |
| R2090.C0040 | Aggregate valuation expense loadings for year following valuation/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | N/A | N/A |
| R2090.C0050 | Aggregate valuation expense loadings for year following valuation/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | N/A | N/A |
| R2090.C0060 | Aggregate valuation expense loadings for year following valuation/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | N/A | N/A |
| R2090.C0070 | Aggregate valuation expense loadings for year following valuation/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | N/A | N/A |
| R2090.C0090 | Aggregate valuation expense loadings for year following valuation/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | N/A | N/A |
| R2100.C0010 | Subcategory 1/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b53 |
| R2100.C0020 | Subcategory 1/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b53 |
| R2100.C0030 | Subcategory 1/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b53 |
| R2100.C0040 | Subcategory 1/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b53 |
| R2100.C0050 | Subcategory 1/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b53 |
| R2100.C0060 | Subcategory 1/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b53 |
| R2100.C0070 | Subcategory 1/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b53 |
| R2100.C0090 | Subcategory 1/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | boec_s2c_RT:b69 | boec_s2c_RT:b53 |
| R2110.C0010 | Subcategory 2/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b53 |
| R2110.C0020 | Subcategory 2/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b53 |
| R2110.C0030 | Subcategory 2/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b53 |
| R2110.C0040 | Subcategory 2/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b53 |
| R2110.C0050 | Subcategory 2/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b53 |
| R2110.C0060 | Subcategory 2/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b53 |
| R2110.C0070 | Subcategory 2/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b53 |
| R2110.C0090 | Subcategory 2/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | boec_s2c_RT:b70 | boec_s2c_RT:b53 |
| R2120.C0010 | Subcategory 3/Valuation year Y basis | boemd_met:mi42 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b53 |
| R2120.C0020 | Subcategory 3/Previous year Y-1 basis | boemd_met:mi43 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b53 |
| R2120.C0030 | Subcategory 3/Previous year Y-1 experience | boemd_met:mi98 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b53 |
| R2120.C0040 | Subcategory 3/Previous year Y-2 experience | boemd_met:mi99 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b53 |
| R2120.C0050 | Subcategory 3/Previous year Y-3 experience | boemd_met:mi100 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b53 |
| R2120.C0060 | Subcategory 3/Previous year Y-4 experience | boemd_met:mi101 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b53 |
| R2120.C0070 | Subcategory 3/Previous year Y-5 experience | boemd_met:mi102 | xbrli:monetaryItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b53 |
| R2120.C0090 | Subcategory 3/Subcategory description | boemd_met:si332 | xbrli:stringItemType | instant | boec_s2c_RT:b71 | boec_s2c_RT:b53 |