| r0.C0010 | s2md_a2.root/Balance b/fwd | | | | N/A | s2c_CS:x1 | N/A | s2c_TF:x4 | N/A | s2c_AM:x80 |
| r0.C0020 | s2md_a2.root/Increase | | | | s2c_VM:x25 | s2c_CS:x1 | s2c_DI:x5 | N/A | N/A | s2c_AM:x80 |
| r0.C0030 | s2md_a2.root/Reduction | | | | s2c_VM:x17 | s2c_CS:x1 | s2c_DI:x5 | N/A | N/A | s2c_AM:x80 |
| r0.C0060 | s2md_a2.root/Balance c/fwd | | | | N/A | s2c_CS:x1 | N/A | N/A | N/A | s2c_AM:x80 |
| r1.C0010 | Preference shares - movements in the reporting period/Balance b/fwd | | | | N/A | s2c_CS:x1 | N/A | s2c_TF:x4 | N/A | s2c_AM:x80 |
| r1.C0020 | Preference shares - movements in the reporting period/Increase | | | | s2c_VM:x25 | s2c_CS:x1 | s2c_DI:x5 | N/A | N/A | s2c_AM:x80 |
| r1.C0030 | Preference shares - movements in the reporting period/Reduction | | | | s2c_VM:x17 | s2c_CS:x1 | s2c_DI:x5 | N/A | N/A | s2c_AM:x80 |
| r1.C0060 | Preference shares - movements in the reporting period/Balance c/fwd | | | | N/A | s2c_CS:x1 | N/A | N/A | N/A | s2c_AM:x80 |
| R0510.C0010 | Tier 1/Balance b/fwd | s2md_met:mi385 | xbrli:monetaryItemType | instant | N/A | s2c_CS:x1 | N/A | s2c_TF:x4 | s2c_EL:x26 | s2c_AM:x80 |
| R0510.C0020 | Tier 1/Increase | s2md_met:mi385 | xbrli:monetaryItemType | instant | s2c_VM:x25 | s2c_CS:x1 | s2c_DI:x5 | N/A | s2c_EL:x26 | s2c_AM:x80 |
| R0510.C0030 | Tier 1/Reduction | s2md_met:mi385 | xbrli:monetaryItemType | instant | s2c_VM:x17 | s2c_CS:x1 | s2c_DI:x5 | N/A | s2c_EL:x26 | s2c_AM:x80 |
| R0510.C0060 | Tier 1/Balance c/fwd | s2md_met:mi385 | xbrli:monetaryItemType | instant | N/A | s2c_CS:x1 | N/A | N/A | s2c_EL:x26 | s2c_AM:x80 |
| R0520.C0010 | Tier 2/Balance b/fwd | s2md_met:mi385 | xbrli:monetaryItemType | instant | N/A | s2c_CS:x1 | N/A | s2c_TF:x4 | s2c_EL:x28 | s2c_AM:x80 |
| R0520.C0020 | Tier 2/Increase | s2md_met:mi385 | xbrli:monetaryItemType | instant | s2c_VM:x25 | s2c_CS:x1 | s2c_DI:x5 | N/A | s2c_EL:x28 | s2c_AM:x80 |
| R0520.C0030 | Tier 2/Reduction | s2md_met:mi385 | xbrli:monetaryItemType | instant | s2c_VM:x17 | s2c_CS:x1 | s2c_DI:x5 | N/A | s2c_EL:x28 | s2c_AM:x80 |
| R0520.C0060 | Tier 2/Balance c/fwd | s2md_met:mi385 | xbrli:monetaryItemType | instant | N/A | s2c_CS:x1 | N/A | N/A | s2c_EL:x28 | s2c_AM:x80 |
| R0530.C0010 | Tier 3/Balance b/fwd | s2md_met:mi385 | xbrli:monetaryItemType | instant | N/A | s2c_CS:x1 | N/A | s2c_TF:x4 | s2c_EL:x30 | s2c_AM:x80 |
| R0530.C0020 | Tier 3/Increase | s2md_met:mi385 | xbrli:monetaryItemType | instant | s2c_VM:x25 | s2c_CS:x1 | s2c_DI:x5 | N/A | s2c_EL:x30 | s2c_AM:x80 |
| R0530.C0030 | Tier 3/Reduction | s2md_met:mi385 | xbrli:monetaryItemType | instant | s2c_VM:x17 | s2c_CS:x1 | s2c_DI:x5 | N/A | s2c_EL:x30 | s2c_AM:x80 |
| R0530.C0060 | Tier 3/Balance c/fwd | s2md_met:mi385 | xbrli:monetaryItemType | instant | N/A | s2c_CS:x1 | N/A | N/A | s2c_EL:x30 | s2c_AM:x80 |
| R0600.C0010 | Total preference shares/Balance b/fwd | s2md_met:mi385 | xbrli:monetaryItemType | instant | N/A | s2c_CS:x1 | N/A | s2c_TF:x4 | N/A | s2c_AM:x80 |
| R0600.C0020 | Total preference shares/Increase | s2md_met:mi385 | xbrli:monetaryItemType | instant | s2c_VM:x25 | s2c_CS:x1 | s2c_DI:x5 | N/A | N/A | s2c_AM:x80 |
| R0600.C0030 | Total preference shares/Reduction | s2md_met:mi385 | xbrli:monetaryItemType | instant | s2c_VM:x17 | s2c_CS:x1 | s2c_DI:x5 | N/A | N/A | s2c_AM:x80 |
| R0600.C0060 | Total preference shares/Balance c/fwd | s2md_met:mi385 | xbrli:monetaryItemType | instant | N/A | s2c_CS:x1 | N/A | N/A | N/A | s2c_AM:x80 |
| r6.C0010 | Share premium relating to preference shares/Balance b/fwd | | | | N/A | s2c_CS:x1 | N/A | s2c_TF:x4 | N/A | s2c_AM:x80 |
| r6.C0020 | Share premium relating to preference shares/Increase | | | | s2c_VM:x25 | s2c_CS:x1 | s2c_DI:x5 | N/A | N/A | s2c_AM:x80 |
| r6.C0030 | Share premium relating to preference shares/Reduction | | | | s2c_VM:x17 | s2c_CS:x1 | s2c_DI:x5 | N/A | N/A | s2c_AM:x80 |
| r6.C0060 | Share premium relating to preference shares/Balance c/fwd | | | | N/A | s2c_CS:x1 | N/A | N/A | N/A | s2c_AM:x80 |
| R0610.C0010 | Tier 1/Balance b/fwd | s2md_met:mi387 | xbrli:monetaryItemType | instant | N/A | s2c_CS:x1 | N/A | s2c_TF:x4 | s2c_EL:x26 | s2c_AM:x80 |
| R0610.C0020 | Tier 1/Increase | s2md_met:mi387 | xbrli:monetaryItemType | instant | s2c_VM:x25 | s2c_CS:x1 | s2c_DI:x5 | N/A | s2c_EL:x26 | s2c_AM:x80 |
| R0610.C0030 | Tier 1/Reduction | s2md_met:mi387 | xbrli:monetaryItemType | instant | s2c_VM:x17 | s2c_CS:x1 | s2c_DI:x5 | N/A | s2c_EL:x26 | s2c_AM:x80 |
| R0610.C0060 | Tier 1/Balance c/fwd | s2md_met:mi387 | xbrli:monetaryItemType | instant | N/A | s2c_CS:x1 | N/A | N/A | s2c_EL:x26 | s2c_AM:x80 |
| R0620.C0010 | Tier 2/Balance b/fwd | s2md_met:mi387 | xbrli:monetaryItemType | instant | N/A | s2c_CS:x1 | N/A | s2c_TF:x4 | s2c_EL:x28 | s2c_AM:x80 |
| R0620.C0020 | Tier 2/Increase | s2md_met:mi387 | xbrli:monetaryItemType | instant | s2c_VM:x25 | s2c_CS:x1 | s2c_DI:x5 | N/A | s2c_EL:x28 | s2c_AM:x80 |
| R0620.C0030 | Tier 2/Reduction | s2md_met:mi387 | xbrli:monetaryItemType | instant | s2c_VM:x17 | s2c_CS:x1 | s2c_DI:x5 | N/A | s2c_EL:x28 | s2c_AM:x80 |
| R0620.C0060 | Tier 2/Balance c/fwd | s2md_met:mi387 | xbrli:monetaryItemType | instant | N/A | s2c_CS:x1 | N/A | N/A | s2c_EL:x28 | s2c_AM:x80 |
| R0630.C0010 | Tier 3/Balance b/fwd | s2md_met:mi387 | xbrli:monetaryItemType | instant | N/A | s2c_CS:x1 | N/A | s2c_TF:x4 | s2c_EL:x30 | s2c_AM:x80 |
| R0630.C0020 | Tier 3/Increase | s2md_met:mi387 | xbrli:monetaryItemType | instant | s2c_VM:x25 | s2c_CS:x1 | s2c_DI:x5 | N/A | s2c_EL:x30 | s2c_AM:x80 |
| R0630.C0030 | Tier 3/Reduction | s2md_met:mi387 | xbrli:monetaryItemType | instant | s2c_VM:x17 | s2c_CS:x1 | s2c_DI:x5 | N/A | s2c_EL:x30 | s2c_AM:x80 |
| R0630.C0060 | Tier 3/Balance c/fwd | s2md_met:mi387 | xbrli:monetaryItemType | instant | N/A | s2c_CS:x1 | N/A | N/A | s2c_EL:x30 | s2c_AM:x80 |
| R0700.C0010 | Total/Balance b/fwd | s2md_met:mi387 | xbrli:monetaryItemType | instant | N/A | s2c_CS:x1 | N/A | s2c_TF:x4 | N/A | s2c_AM:x80 |
| R0700.C0020 | Total/Increase | s2md_met:mi387 | xbrli:monetaryItemType | instant | s2c_VM:x25 | s2c_CS:x1 | s2c_DI:x5 | N/A | N/A | s2c_AM:x80 |
| R0700.C0030 | Total/Reduction | s2md_met:mi387 | xbrli:monetaryItemType | instant | s2c_VM:x17 | s2c_CS:x1 | s2c_DI:x5 | N/A | N/A | s2c_AM:x80 |
| R0700.C0060 | Total/Balance c/fwd | s2md_met:mi387 | xbrli:monetaryItemType | instant | N/A | s2c_CS:x1 | N/A | N/A | N/A | s2c_AM:x80 |