XML 14 R1.htm IDEA: XBRL DOCUMENT v3.21.1
Document and Entity Information
 12 Months Ended
Dec. 31, 2020
shares
Document And Entity Information  
Entity Registrant Name GROUP SIMEC SA DE CV
Entity Central Index Key 0000887153
Document Type 20-F
Document Period End Date Dec. 31, 2020
Amendment Flag false
Current Fiscal Year End Date --12-31
Is Entity a Well-known Seasoned Issuer? No
Is Entity a Voluntary Filer? No
Is Entity's Reporting Status Current? Yes
Is Entity Emerging Growth Company? false
Entity Filer Category Large Accelerated Filer
Auditor Attestation Flag true
Entity Common Stock, Shares Outstanding 463,243,411
Document Fiscal Period Focus FY
Document Fiscal Year Focus 2020
Entity Shell Company false
Document Annual Report true
Document Transition Report false
Document Shell Company Report false
Entity Incorporation State Country Code X1
Entity Interactive Data Current Yes