XML 93 R80.htm IDEA: XBRL DOCUMENT
v3.21.1

Stockholders' equity (Narrative) (Details) - MXN ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Mar. 10, 2020 | Dec. 31, 2020 | Dec. 31, 2019
Statement Line Items [Line Items] |  |  |
Percentage of legal reserve |  | 5.00% |
Legal reserve amount |  | $ 484,046 | $ 484,046
Percentage of nominal capital |  | 20.00% |
Reserve |  | $ 5,000,000 |
Treasury Shares |  | 34,465,803 | 33,729,926
Treasury amount |  | 2,101,652 | $ 2,059,668
Profit (loss) on treasury shares |  | $ 0 |
Fixed capital, Shares |  | 90,850,000 | 90,850,000
Variable capital, Shares |  | 406,859,000 | 406,859,000
Dividend paid | $ 1,990,000 | $ 1,990,000 |
Class I Shares [Member] |  |  |
Statement Line Items [Line Items] |  |  |
Fixed capital, Shares |  | 90,850,050 |
Class II Shares [Member] |  |  |
Statement Line Items [Line Items] |  |  |
Fixed capital, Shares |  | 406,859,164 |

X
- Definition A component of equity representing the capital reserves. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_55&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_CapitalReserve
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of dividends recognised as distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 107 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_107&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_DividendsPaid
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The increase (decrease) in equity resulting from transfers to a statutory reserve. [Refer: Statutory reserve] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 106 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_106_d&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_IncreaseDecreaseThroughTransferToStatutoryReserve
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) in equity resulting from treasury share transactions. [Refer: Equity; Treasury shares] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 106 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_106_d&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The decrease in equity resulting from the purchase of treasury shares. [Refer: Treasury shares] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 106 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_106_d&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_PurchaseOfTreasuryShares
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition An entity’s own equity instruments, held by the entity or other members of the consolidated group. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 78 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_78_e&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 32 -IssueDate 2020-01-01 -Paragraph 34 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=32&code=ifrs-tx-2020-en-r&anchor=para_34&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_TreasuryShares
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The number of fixed capital, shares. + References No definition available. + Details
Name: | simecb_FixedCapitalShares
Namespace Prefix: | simecb_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Ifrs statement [Line Items] + References No definition available. + Details
Name: | simecb_IfrsStatementLineItems
Namespace Prefix: | simecb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of legal reserve. + References No definition available. + Details
Name: | simecb_PercentageOfLegalReserve
Namespace Prefix: | simecb_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of nominal capital. + References No definition available. + Details
Name: | simecb_PercentageOfNominalCapital
Namespace Prefix: | simecb_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of variable capital, shares. + References No definition available. + Details
Name: | simecb_VariableCapitalShares
Namespace Prefix: | simecb_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ifrs-full_ComponentsOfEquityAxis=simecb_ClassISharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ComponentsOfEquityAxis=simecb_ClassIISharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |