| r0.C0030 | s2md_a2.root/Net (of reinsurance/ SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | s2c_TB:x63 | s2c_AM:x80 | s2c_VM:x9 |
| r0.C0040 | s2md_a2.root/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | N/A | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x63 | s2c_AM:x80 | N/A |
| r0.C0050 | s2md_a2.root/Net (of reinsurance/SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | s2c_TB:x62 | s2c_AM:x80 | s2c_VM:x9 |
| r0.C0060 | s2md_a2.root/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | N/A | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x62 | s2c_AM:x80 | N/A |
| R0020.C0030 | Medical expense insurance and proportional reinsurance/Net (of reinsurance/ SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x69 | N/A | N/A | s2c_TB:x63 | s2c_AM:x80 | s2c_VM:x9 |
| R0020.C0040 | Medical expense insurance and proportional reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x69 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x63 | s2c_AM:x80 | N/A |
| R0020.C0050 | Medical expense insurance and proportional reinsurance/Net (of reinsurance/SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x69 | N/A | N/A | s2c_TB:x62 | s2c_AM:x80 | s2c_VM:x9 |
| R0020.C0060 | Medical expense insurance and proportional reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x69 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x62 | s2c_AM:x80 | N/A |
| R0030.C0030 | Income protection insurance and proportional reinsurance/Net (of reinsurance/ SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x52 | N/A | N/A | s2c_TB:x63 | s2c_AM:x80 | s2c_VM:x9 |
| R0030.C0040 | Income protection insurance and proportional reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x52 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x63 | s2c_AM:x80 | N/A |
| R0030.C0050 | Income protection insurance and proportional reinsurance/Net (of reinsurance/SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x52 | N/A | N/A | s2c_TB:x62 | s2c_AM:x80 | s2c_VM:x9 |
| R0030.C0060 | Income protection insurance and proportional reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x52 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x62 | s2c_AM:x80 | N/A |
| R0040.C0030 | Workers' compensation insurance and proportional reinsurance/Net (of reinsurance/ SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x132 | N/A | N/A | s2c_TB:x63 | s2c_AM:x80 | s2c_VM:x9 |
| R0040.C0040 | Workers' compensation insurance and proportional reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x132 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x63 | s2c_AM:x80 | N/A |
| R0040.C0050 | Workers' compensation insurance and proportional reinsurance/Net (of reinsurance/SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x132 | N/A | N/A | s2c_TB:x62 | s2c_AM:x80 | s2c_VM:x9 |
| R0040.C0060 | Workers' compensation insurance and proportional reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x132 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x62 | s2c_AM:x80 | N/A |
| R0050.C0030 | Motor vehicle liability insurance and proportional reinsurance/Net (of reinsurance/ SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x73 | N/A | N/A | s2c_TB:x63 | s2c_AM:x80 | s2c_VM:x9 |
| R0050.C0040 | Motor vehicle liability insurance and proportional reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x73 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x63 | s2c_AM:x80 | N/A |
| R0050.C0050 | Motor vehicle liability insurance and proportional reinsurance/Net (of reinsurance/SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x73 | N/A | N/A | s2c_TB:x62 | s2c_AM:x80 | s2c_VM:x9 |
| R0050.C0060 | Motor vehicle liability insurance and proportional reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x73 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x62 | s2c_AM:x80 | N/A |
| R0060.C0030 | Other motor insurance and proportional reinsurance/Net (of reinsurance/ SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x101 | N/A | N/A | s2c_TB:x63 | s2c_AM:x80 | s2c_VM:x9 |
| R0060.C0040 | Other motor insurance and proportional reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x101 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x63 | s2c_AM:x80 | N/A |
| R0060.C0050 | Other motor insurance and proportional reinsurance/Net (of reinsurance/SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x101 | N/A | N/A | s2c_TB:x62 | s2c_AM:x80 | s2c_VM:x9 |
| R0060.C0060 | Other motor insurance and proportional reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x101 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x62 | s2c_AM:x80 | N/A |
| R0070.C0030 | Marine, aviation and transport insurance and proportional reinsurance/Net (of reinsurance/ SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x66 | N/A | N/A | s2c_TB:x63 | s2c_AM:x80 | s2c_VM:x9 |
| R0070.C0040 | Marine, aviation and transport insurance and proportional reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x66 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x63 | s2c_AM:x80 | N/A |
| R0070.C0050 | Marine, aviation and transport insurance and proportional reinsurance/Net (of reinsurance/SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x66 | N/A | N/A | s2c_TB:x62 | s2c_AM:x80 | s2c_VM:x9 |
| R0070.C0060 | Marine, aviation and transport insurance and proportional reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x66 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x62 | s2c_AM:x80 | N/A |
| R0080.C0030 | Fire and other damage to property insurance and proportional reinsurance/Net (of reinsurance/ SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x31 | N/A | N/A | s2c_TB:x63 | s2c_AM:x80 | s2c_VM:x9 |
| R0080.C0040 | Fire and other damage to property insurance and proportional reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x31 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x63 | s2c_AM:x80 | N/A |
| R0080.C0050 | Fire and other damage to property insurance and proportional reinsurance/Net (of reinsurance/SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x31 | N/A | N/A | s2c_TB:x62 | s2c_AM:x80 | s2c_VM:x9 |
| R0080.C0060 | Fire and other damage to property insurance and proportional reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x31 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x62 | s2c_AM:x80 | N/A |
| R0090.C0030 | General liability insurance and proportional reinsurance/Net (of reinsurance/ SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x34 | N/A | N/A | s2c_TB:x63 | s2c_AM:x80 | s2c_VM:x9 |
| R0090.C0040 | General liability insurance and proportional reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x34 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x63 | s2c_AM:x80 | N/A |
| R0090.C0050 | General liability insurance and proportional reinsurance/Net (of reinsurance/SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x34 | N/A | N/A | s2c_TB:x62 | s2c_AM:x80 | s2c_VM:x9 |
| R0090.C0060 | General liability insurance and proportional reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x34 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x62 | s2c_AM:x80 | N/A |
| R0100.C0030 | Credit and suretyship insurance and proportional reinsurance/Net (of reinsurance/ SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x27 | N/A | N/A | s2c_TB:x63 | s2c_AM:x80 | s2c_VM:x9 |
| R0100.C0040 | Credit and suretyship insurance and proportional reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x27 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x63 | s2c_AM:x80 | N/A |
| R0100.C0050 | Credit and suretyship insurance and proportional reinsurance/Net (of reinsurance/SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x27 | N/A | N/A | s2c_TB:x62 | s2c_AM:x80 | s2c_VM:x9 |
| R0100.C0060 | Credit and suretyship insurance and proportional reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x27 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x62 | s2c_AM:x80 | N/A |
| R0110.C0030 | Legal expenses insurance and proportional reinsurance/Net (of reinsurance/ SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x59 | N/A | N/A | s2c_TB:x63 | s2c_AM:x80 | s2c_VM:x9 |
| R0110.C0040 | Legal expenses insurance and proportional reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x59 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x63 | s2c_AM:x80 | N/A |
| R0110.C0050 | Legal expenses insurance and proportional reinsurance/Net (of reinsurance/SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x59 | N/A | N/A | s2c_TB:x62 | s2c_AM:x80 | s2c_VM:x9 |
| R0110.C0060 | Legal expenses insurance and proportional reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x59 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x62 | s2c_AM:x80 | N/A |
| R0120.C0030 | Assistance and proportional reinsurance/Net (of reinsurance/ SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x12 | N/A | N/A | s2c_TB:x63 | s2c_AM:x80 | s2c_VM:x9 |
| R0120.C0040 | Assistance and proportional reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x12 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x63 | s2c_AM:x80 | N/A |
| R0120.C0050 | Assistance and proportional reinsurance/Net (of reinsurance/SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x12 | N/A | N/A | s2c_TB:x62 | s2c_AM:x80 | s2c_VM:x9 |
| R0120.C0060 | Assistance and proportional reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x12 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x62 | s2c_AM:x80 | N/A |
| R0130.C0030 | Miscellaneous financial loss insurance and proportional reinsurance/Net (of reinsurance/ SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x70 | N/A | N/A | s2c_TB:x63 | s2c_AM:x80 | s2c_VM:x9 |
| R0130.C0040 | Miscellaneous financial loss insurance and proportional reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x70 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x63 | s2c_AM:x80 | N/A |
| R0130.C0050 | Miscellaneous financial loss insurance and proportional reinsurance/Net (of reinsurance/SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x70 | N/A | N/A | s2c_TB:x62 | s2c_AM:x80 | s2c_VM:x9 |
| R0130.C0060 | Miscellaneous financial loss insurance and proportional reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x70 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x62 | s2c_AM:x80 | N/A |
| R0140.C0030 | Non-proportional health reinsurance/Net (of reinsurance/ SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x42 | N/A | N/A | s2c_TB:x63 | s2c_AM:x80 | s2c_VM:x9 |
| R0140.C0040 | Non-proportional health reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x42 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x63 | s2c_AM:x80 | N/A |
| R0140.C0050 | Non-proportional health reinsurance/Net (of reinsurance/SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x42 | N/A | N/A | s2c_TB:x62 | s2c_AM:x80 | s2c_VM:x9 |
| R0140.C0060 | Non-proportional health reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x42 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x62 | s2c_AM:x80 | N/A |
| R0150.C0030 | Non-proportional casualty reinsurance/Net (of reinsurance/ SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x14 | N/A | N/A | s2c_TB:x63 | s2c_AM:x80 | s2c_VM:x9 |
| R0150.C0040 | Non-proportional casualty reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x14 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x63 | s2c_AM:x80 | N/A |
| R0150.C0050 | Non-proportional casualty reinsurance/Net (of reinsurance/SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x14 | N/A | N/A | s2c_TB:x62 | s2c_AM:x80 | s2c_VM:x9 |
| R0150.C0060 | Non-proportional casualty reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x14 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x62 | s2c_AM:x80 | N/A |
| R0160.C0030 | Non-proportional marine, aviation and transport reinsurance/Net (of reinsurance/ SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x67 | N/A | N/A | s2c_TB:x63 | s2c_AM:x80 | s2c_VM:x9 |
| R0160.C0040 | Non-proportional marine, aviation and transport reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x67 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x63 | s2c_AM:x80 | N/A |
| R0160.C0050 | Non-proportional marine, aviation and transport reinsurance/Net (of reinsurance/SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x67 | N/A | N/A | s2c_TB:x62 | s2c_AM:x80 | s2c_VM:x9 |
| R0160.C0060 | Non-proportional marine, aviation and transport reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x67 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x62 | s2c_AM:x80 | N/A |
| R0170.C0030 | Non-proportional property reinsurance/Net (of reinsurance/ SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x106 | N/A | N/A | s2c_TB:x63 | s2c_AM:x80 | s2c_VM:x9 |
| R0170.C0040 | Non-proportional property reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x106 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x63 | s2c_AM:x80 | N/A |
| R0170.C0050 | Non-proportional property reinsurance/Net (of reinsurance/SPV) best estimate and TP calculated as a whole | s2md_met:mi364 | xbrli:monetaryItemType | instant | s2c_LB:x106 | N/A | N/A | s2c_TB:x62 | s2c_AM:x80 | s2c_VM:x9 |
| R0170.C0060 | Non-proportional property reinsurance/Net (of reinsurance) written premiums in the last 12 months | s2md_met:mi505 | xbrli:monetaryItemType | instant | s2c_LB:x106 | s2c_DI:x6 | s2c_RT:x1 | s2c_TB:x62 | s2c_AM:x80 | N/A |