XML 291 R184.htm IDEA: XBRL DOCUMENT v3.25.1

Principal Subsidiaries - Summary of Principal Subsidiaries Interests (Parenthetical) (Detail)	12 Months Ended
	Dec. 31, 2024
Cemex Colombia, S.A. [member]
Disclosure of subsidiaries [line items]
Percentage of interest	99.00%
Cemento Bayano, S.A. [member]
Disclosure of subsidiaries [line items]
Interest held on treasury	0.516%
Percentage of indirectly interest	99.483%
Trinidad Cement Limited [member]
Disclosure of subsidiaries [line items]
Percentage of ownership interest	74.08%
Caribbean Cement Company Limited [member]
Disclosure of subsidiaries [line items]
Percentage of ownership interest	79.04%
Other Subsidiaries [Member]
Disclosure of subsidiaries [line items]
Percentage of equity interest	51.00%
Another Subsidiary [Member]
Disclosure of subsidiaries [line items]
Percentage of ownership interest	4.96%
Percentage of indirectly interest	1.00%
Cemex España, S.A. [member]
Disclosure of subsidiaries [line items]
Percentage of equity interest	49.00%

X

- Definition

Percentage of equity interest.

+ References

No definition available.

+ Details

Name:	cx_PercentageOfEquityInterest
Namespace Prefix:	cx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of indirectly interest.

+ References

No definition available.

+ Details

Name:	cx_PercentageOfIndirectlyInterest
Namespace Prefix:	cx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of ownership interest held on treasury.

+ References

No definition available.

+ Details

Name:	cx_PercentageOfOwnershipInterestHeldOnTreasury
Namespace Prefix:	cx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Proportion of interest.

+ References

No definition available.

+ Details

Name:	cx_ProportionOfInterest
Namespace Prefix:	cx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Proportion of ownership in indirect interest.

+ References

No definition available.

+ Details

Name:	cx_ProportionOfOwnershipInIndirectInterest
Namespace Prefix:	cx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of ownership interest.

+ References

No definition available.

+ Details

Name:	cx_ProportionOfOwnershipInterest
Namespace Prefix:	cx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of ownership interest.

+ References

No definition available.

+ Details

Name:	cx_Proportionofownershipinindirectanddirectinterest
Namespace Prefix:	cx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=cx_CEMEXColombiaSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=cx_CementoBayanoSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=cx_TrinidadCementLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=cx_CaribbeanCementCompanyLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=cx_OtherSubsidiariesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=cx_AnotherSubsidiaryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=cx_CEMEXEspanaSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: