XML 191 R139.htm IDEA: XBRL DOCUMENT v3.21.1

Other Current and Non-current Liabilities - Summary of Other Non-current Liabilities (Parenthetical) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Disclosure of transactions between related parties [line items]
Non-current portion of tax payable	$ 12	$ 31
Cemento interoceanio [member] | Liabilitites classified as held for sale [member]
Disclosure of transactions between related parties [line items]
Deferred revenues	$ 42	$ 50
Period of amortisation of deferred revenue	15 years

X

- Definition

Period of amortisation of deferred revenue.

+ References

No definition available.

+ Details

Name:	cx_PeriodOfAmortisationOfDeferredRevenue
Namespace Prefix:	cx_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The non-current amount of current tax liabilities. [Refer: Current tax liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2020-01-01
-Paragraph 54
-Subparagraph n
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_54_n&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_CurrentTaxLiabilitiesNoncurrent
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The amount of liability representing income that has been received but is not yet earned. [Refer: Revenue]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2020-01-01
-Paragraph 78
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_78&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_DeferredIncome
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

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

+ References

No definition available.

+ Details

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

X

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=cx_CementoInteroceanioMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis=cx_LiabilititesClassifiedAsHeldForSaleMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: