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Non-Controlling Interest (Details) | Dec. 31, 2021
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Non-Controlling Interest (Details) [Line Items] |
Percentage of capital stock acquired by subsidiary | 99.41%
Grupo Simec, S.A.B. de C.V. [Member] |
Non-Controlling Interest (Details) [Line Items] |
Percentage of capital stock acquired by subsidiary | 100.00%

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- Definition The percentage of voting equity interests acquired in a business combination. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2021-01-01 -Paragraph B64 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_c&doctype=Appendix&subtype=B -URIDate 2021-03-24 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- References No definition available. + Details
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Namespace Prefix: | simecb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | srt_OwnershipAxis=simecb_GrupoSimecSABDeCVMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |