XML 234 R144.htm IDEA: XBRL DOCUMENT v3.23.1

Pensions and Post-Employment Benefits - Schedule of Reconciliations of the Actuarial Benefits Obligations, Pension Plan Assets, And Liabilities Recognized in the Balance Sheet (Parenthetical) (Detail)		12 Months Ended
	Oct. 25, 2022	Dec. 31, 2022
CXNeoris N V [Member]
Disclosure of defined benefit plans [line items]
Equity holdings sold percentage	65.00%	65.00%

X

- Definition

Equity holdings sold percentage.

+ References

No definition available.

+ Details

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

X

- Details

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