XML 242 R163.htm IDEA: XBRL DOCUMENT v3.22.1

Income Taxes - Schedule of Reconciliation Between Actual Income Tax Expense and Amount Computed by Applying Statutory Tax Rate (Parenthetical) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Reconciliation of Effective Tax Rate [Line Items]
Statutory tax rate	30.00%	30.00%	30.00%
Difference tax component between books and tax foreign exchange fluctuations	$ 44	$ 12	$ (76)
Parent [member]
Reconciliation of Effective Tax Rate [Line Items]
Difference tax component between books and tax foreign exchange fluctuations		$ 312	$ 117
Mexico [member]
Reconciliation of Effective Tax Rate [Line Items]
Statutory tax rate	30.00%	30.00%	30.00%
Colombia [member]
Reconciliation of Effective Tax Rate [Line Items]
Statutory tax rate	31.00%	32.00%	33.00%
Colombia [member] | Bottom of range [member]
Reconciliation of Effective Tax Rate [Line Items]
Statutory tax rate	30.00%	30.00%	30.00%
Colombia [member] | Top of range [member]
Reconciliation of Effective Tax Rate [Line Items]
Statutory tax rate	35.00%	35.00%	35.00%

X

- Definition

Reconciliation of effective tax rate.

+ References

No definition available.

+ Details

Name:	cx_ReconciliationOfEffectiveTaxRateLineItems
Namespace Prefix:	cx_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The applicable income tax rate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2021-01-01
-Paragraph 81
-Subparagraph c
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_c_ii&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_ApplicableTaxRate
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

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 foreign tax rates. [Refer: Accounting profit]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2021-01-01
-Paragraph 81
-Subparagraph c
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_c_i&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_TaxEffectOfForeignTaxRates
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

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

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=country_MX
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=country_CO
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: