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Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Taxes [Line Items]
Effective tax rate	16.42%	27.92%	29.56%
Tax loss carryforwards for federal tax		$ 326.9
Tax loss carryforwards expire after certain period		$ 198.6
Tax loss carryforwards expiration period		between 2033 and 2038
Tax loss carryforwards expire indefinitely		$ 121.2
Tax losses for state and municipal		$ 252.0
Tax losses expiration period		between 2024 and 2043
Mexico [Member]
Income Taxes [Line Items]
Effective tax rate	30.00%	30.00%	30.00%
Canada [Member]
Income Taxes [Line Items]
Tax losses		$ 7.1
Tax losses expiration period		between 2032 and 2043

X

- Definition

The applicable income tax rate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2024-01-01
-Paragraph 81
-Subparagraph c
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2024-en-r&anchor=para_81_c_ii&doctype=Standard
-URIDate 2024-03-27

+ Details

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X

- Definition

The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to tax losses. [Refer: Accounting profit]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2024-01-01
-Paragraph 81
-Subparagraph c
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2024-en-r&anchor=para_81_c_i&doctype=Standard
-URIDate 2024-03-27

+ Details

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- References

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+ Details

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- Definition

Represent the tax effect of tax losses expiration period.

+ References

No definition available.

+ Details

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X

- Definition

Represent the tax loss carry forwards expiration period.

+ References

No definition available.

+ Details

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- Definition

Represent the amount of tax loss carryforwards expire after certain period.

+ References

No definition available.

+ Details

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- Definition

Represent the amount of tax loss carryforwards expire indefinitely.

+ References

No definition available.

+ Details

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Namespace Prefix:	simecb_
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- Definition

Represent the amount of tax loss carryforwards for federal tax.

+ References

No definition available.

+ Details

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Namespace Prefix:	simecb_
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X

- Definition

Represent the tax losses expiration period.

+ References

No definition available.

+ Details

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- Definition

Represent the amount of tax losses for state and municipal.

+ References

No definition available.

+ Details

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- Details

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Namespace Prefix:
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X

- Details

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