XML 220 R174.htm IDEA: XBRL DOCUMENT
v3.19.1

Legal Proceedings - Additional Information (Detail) $ in Millions, $ in Millions | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jul. 13, 2013 | Dec. 31, 2018 MXN ($) | Dec. 31, 2017 MXN ($) | Dec. 31, 2016 MXN ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2016 USD ($)
Disclosure of Commitments and Contingencies [Line Items] |  |  |  |  |  |
Lease contract for a period | 5 years |  |  |  |  |
Long term lease contract period |  | 21 years |  |  |  |
Extended long term lease contract period |  | 10 years |  |  |  |
Cash advances by CEMEX Colombia |  |  |  |  | $ 13.4 |
Interest for advances |  |  |  |  | 1.2 |
Purchase of the assets related to the project in Colombian pesos |  |  |  | $ 264.0 |  | $ 14.1
Impairment of assets |  |  |  | 295.0 | 14.3 |
Impairment loss |  | $ 445.0 | $ 984.0 | 1,899.0 |  |
Excluding MOU and the Land MOU [member] |  |  |  |  |  |
Disclosure of Commitments and Contingencies [Line Items] |  |  |  |  |  |
Impairment loss |  |  |  | 43.0 | 2.3 |
CI Calizas [member] |  |  |  |  |  |
Disclosure of Commitments and Contingencies [Line Items] |  |  |  |  |  |
Reduction of other accounts payable |  |  |  | (188.0) | (9.1) |
Bottom of range [member] |  |  |  |  |  |
Disclosure of Commitments and Contingencies [Line Items] |  |  |  |  |  |
Expiration of property over the aforementioned assets |  | 5 years |  |  |  |
Top of range [member] |  |  |  |  |  |
Disclosure of Commitments and Contingencies [Line Items] |  |  |  |  |  |
Expiration of property over the aforementioned assets |  | 10 years |  |  |  |
VAT Payable [member] |  |  |  |  |  |
Disclosure of Commitments and Contingencies [Line Items] |  |  |  |  |  |
Accounts payable |  |  |  | $ 191.0 |  | $ 9.2
Adjustments in accounts payable |  |  |  |  | $ 5.0 |

X
- Definition Accounts payable. + References No definition available. + Details
Name: | cx_AccountsPayable
Namespace Prefix: | cx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Cash advances made by subsidiaries. + References No definition available. + Details
Name: | cx_CashAdvancesMadeBySubsidiaries
Namespace Prefix: | cx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Disclosure of commitments and contingencies. + References No definition available. + Details
Name: | cx_DisclosureOfCommitmentsAndContingenciesLineItems
Namespace Prefix: | cx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Extended long term lease period. + References No definition available. + Details
Name: | cx_ExtendedLongTermLeasePeriod
Namespace Prefix: | cx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Increase decrease in other accounts payable. + References No definition available. + Details
Name: | cx_IncreaseDecreaseInOtherAccountsPayable
Namespace Prefix: | cx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Interest for advances. + References No definition available. + Details
Name: | cx_InterestForAdvances
Namespace Prefix: | cx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Lease contract for a period. + References No definition available. + Details
Name: | cx_LeaseContractForPeriod
Namespace Prefix: | cx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Long term lease period. + References No definition available. + Details
Name: | cx_LongTermLeasePeriod
Namespace Prefix: | cx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Payment of Additional Value Added Tax Payables. + References No definition available. + Details
Name: | cx_PaymentOfAdditionalValueAddedTaxPayables
Namespace Prefix: | cx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Period of expiration of property over aforementioned assets. + References No definition available. + Details
Name: | cx_PeriodOfExpirationOfPropertyOverAforementionedAssets
Namespace Prefix: | cx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of current investments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_CurrentInvestments
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount recognised as a reduction of the carrying amount of an asset or cash-generating unit to its recoverable amount. [Refer: Carrying amount [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2018-01-01 -Paragraph 130 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=36&date=2018-03-01&anchor=para_130_b&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2018-01-01 -Paragraph 130 -Subparagraph d -Clause ii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=36&date=2018-03-01&anchor=para_130_d_ii&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_ImpairmentLoss
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of impairment loss on financial assets. [Refer: Financial assets; Impairment loss] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 20 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-02&anchor=para_20_e&doctype=Standard&book=b -URIDate 2018-03-16 + Details
Name: | ifrs-full_ImpairmentLossOnFinancialAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=cx_ExcludingMouAndTheLandMouMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=cx_CICalizasMember
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: |

X
- Details
Name: | ifrs-full_ClassesOfLiabilitiesAxis=cx_VatPayableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |