XML 232 R180.htm IDEA: XBRL DOCUMENT
v3.21.1

Subsequent Events - Additional Information (Detail) T in Thousands, MT in Millions, $ in Millions |  |  |  |  |  |  |  | 2 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2021 USD ($) Quarry Concreteplants | Mar. 26, 2021 EUR (€) | Mar. 25, 2021 USD ($) | Mar. 22, 2021 USD ($) | Feb. 01, 2021 T MT | Jan. 13, 2021 USD ($) | Jan. 12, 2021 USD ($) shares | Feb. 28, 2021 shares | Dec. 31, 2020 USD ($) T | Dec. 31, 2020 EUR (€) T | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Disclosure of non-adjusting events after reporting period [line items] |  |  |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  |  |  |  | $ 2,230.0 |  | $ 2,324.0 |
Amount of assessment for income taxes |  |  |  |  |  |  |  |  | $ 52.0 |  | $ 162.0 | $ 224.0
Upfront premium net | $ 10.8 |  |  |  |  |  |  |  |  |  |  |
Contract amount | $ 250.0 |  |  |  |  |  |  |  |  |  |  |
CO2 Emission Allowances In The European Union [Member] |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |  |  |  |  |  |  |  |  |  |
Number of allowances sold |  |  |  |  |  |  |  |  | 12,300,000 |  |  |
Proceeds from allowances sold |  |  |  |  |  |  |  |  | $ 600.0 | € 509 |  |
Rhone Alpes [Member] |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |  |  |  |  |  |  |  |  |  |
Number of aggregate quarries sold | Quarry | 1 |  |  |  |  |  |  |  |  |  |  |
MEXICO |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |  |  |  |  |  |  |  |  |  |
Amended annual production capacity of cement | T |  |  |  |  |  |  |  |  | 1,100 | 1,100 |  |
Europe [Member] | CEMEX Cement Plants [Member] | CO2 Emission Allowances In The European Union [Member] |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |  |  |  |  |  |  |  |  |  |
Percentage of estimated reudction in the co2 emissions allowances |  |  |  |  |  |  |  |  | 35.00% | 35.00% |  |
Full Redemption [member] | January 2025 Dollar Notes [Member] |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount redemption |  |  |  | $ 321.0 |  |  |  |  |  |  |  |
Full Redemption of remainder balance of notes date |  |  |  | April 21, 2021 |  |  |  |  |  |  |  |
Events after reporting period [member] |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |  |  |  |  |  |  |  |  |  |
Number Of Shares Cumulatively Repurchased In Shares | shares |  |  |  |  |  |  | 3.875 |  |  |  |  |
Events after reporting period [member] | Equity Forward Contract [Member] |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |  |  |  |  |  |  |  |  |  |
Forward contract to be settled in shares | shares |  |  |  |  |  |  |  | 4,700,000 |  |  |  |
Events after reporting period [member] | Environmental License Agreement [Member] | CI Calizas [Member] |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |  |  |  |  |  |  |  |  |  |
Amended annual production capacity of cement | MT |  |  |  |  | 1.5 |  |  |  |  |  |  |
Modification of environmental license results to possible extract of clay and limestone | T |  |  |  |  | 990 |  |  |  |  |  |  |
Events after reporting period [member] | CEMEX, S.A.B. de C.V. July 2031 Senior Secured Notes [member] | Notes payable [member] |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  |  |  |  |  |  | 3.875% |  |  |  |  |
Notional amount |  |  |  |  |  |  | $ 1,750.0 |  |  |  |  |
Long-term borrowings maturity date |  |  |  |  |  |  | Jul. 11, 2031 |  |  |  |  |
Frequency Of Periodic Interest Payment |  |  |  |  |  |  | semi-annually |  |  |  |  |
Borrowings Principal Price Percentage |  |  |  |  |  |  | 100.00% |  |  |  |  |
Borrowings Repurchase Commencement Date |  |  |  |  |  |  | Jul. 11, 2026 |  |  |  |  |
Borrowings Issuer Name |  |  |  |  |  |  | CEMEX, S.A.B. de C.V. |  |  |  |  |
Events after reporting period [member] | CEMEX, S.A.B. de C.V. April 2026 Notes [member] | Notes payable [member] |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  |  |  |  |  | 7.75% |  |  |  |  |  |
Notional amount |  |  |  |  |  | $ 1,071.0 |  |  |  |  |  |
Frequency Of Periodic Interest Payment |  |  |  |  |  | semi-annually |  |  |  |  |  |
Borrowings Repurchased and Cancelled Amount |  |  |  |  |  | $ 1,000.0 |  |  |  |  |  |
Events after reporting period [member] | CEMEX, S.A.B. de C.V. January 2025 Notes [member] | Notes payable [member] |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  |  |  |  |  | 5.70% |  |  |  |  |  |
Frequency Of Periodic Interest Payment |  |  |  |  |  | semi-annually |  |  |  |  |  |
Borrowings Repurchased and Cancelled Amount |  |  |  |  |  | $ 750.0 |  |  |  |  |  |
Events after reporting period [member] | Rhone Alpes [Member] |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |  |  |  |  |  |  |  |  |  |
Number of assets sold | Concreteplants | 24 |  |  |  |  |  |  |  |  |  |  |
Events after reporting period [member] | FRANCE |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |  |  |  |  |  |  |  |  |  |
Sale of assets, agreed price | $ 45.0 |  |  |  |  |  |  |  |  |  |  |
Events after reporting period [member] | SPAIN | Tax Years 2010 to 2014 [Member] | Tax Authority Spain [Member] |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |  |  |  |  |  |  |  |  |  |
Amount of assessment for income taxes | € |  | € 48 |  |  |  |  |  |  |  |  |  |
Events after reporting period [member] | MEXICO |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |  |  |  |  |  |  |  |  |  |
Maximum amount of resources to be maintained |  |  | $ 500.0 |  |  |  |  |  |  |  |  |

X
- Definition Aggregate redemption of remainder balance of notes maturity period. + References No definition available. + Details
Name: | cx_AggregateRedemptionOfRemainderBalanceOfNotesMaturityPeriod
Namespace Prefix: | cx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Annual production capacity. + References No definition available. + Details
Name: | cx_AnnualProductionCapacity
Namespace Prefix: | cx_
Data Type: | num:massItemType
Balance Type: | na
Period Type: | duration

X
- Definition Borrowings frequency of periodic interest payment. + References No definition available. + Details
Name: | cx_BorrowingsFrequencyOfPeriodicInterestPayment
Namespace Prefix: | cx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Borrowings issuer name. + References No definition available. + Details
Name: | cx_BorrowingsIssuerName
Namespace Prefix: | cx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Borrowings principal price percentage. + References No definition available. + Details
Name: | cx_BorrowingsPrincipalPricePercentage
Namespace Prefix: | cx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Borrowings repurchase commencement date. + References No definition available. + Details
Name: | cx_BorrowingsRepurchaseCommencementDate
Namespace Prefix: | cx_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Borrowings repurchased and cancelled amount. + References No definition available. + Details
Name: | cx_BorrowingsRepurchasedAndCancelledAmount
Namespace Prefix: | cx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Contract amount. + References No definition available. + Details
Name: | cx_ContractAmount
Namespace Prefix: | cx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References No definition available. + Details
Name: | cx_Derivativenotionalamount
Namespace Prefix: | cx_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Equity forward contract settled by shares. + References No definition available. + Details
Name: | cx_EquityForwardContractSettledByShares
Namespace Prefix: | cx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Long-term Borrowings maturity date. + References No definition available. + Details
Name: | cx_LongtermBorrowingsMaturityDate
Namespace Prefix: | cx_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum amount of resources to be maintained. + References No definition available. + Details
Name: | cx_MaximumAmountOfResourcesToBeMaintained
Namespace Prefix: | cx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Modification of environmental license results to possible extract of minerals. + References No definition available. + Details
Name: | cx_ModificationOfEnvironmentalLicenseResultsToPossibleExtractOfMinerals
Namespace Prefix: | cx_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number Of aggregates quarries sold + References No definition available. + Details
Name: | cx_NumberOfAggregatesQuarriesSold
Namespace Prefix: | cx_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of allowances sold. + References No definition available. + Details
Name: | cx_NumberOfAllowancesSold
Namespace Prefix: | cx_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of assets divested. + References No definition available. + Details
Name: | cx_NumberOfAssetsDivested
Namespace Prefix: | cx_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of shares cumulatively repurchased in shares. + References No definition available. + Details
Name: | cx_NumberOfSharesCumulativelyRepurchasedInShares
Namespace Prefix: | cx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of estimated increase decrease in the co2 emissions allowances. + References No definition available. + Details
Name: | cx_PercentageOfEstimatedIncreaseDecreaseInTheCo2EmissionAllowances
Namespace Prefix: | cx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Proceeds from allowances sold. + References No definition available. + Details
Name: | cx_ProceedsFromAllowancesSold
Namespace Prefix: | cx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Sale of business, sale price. + References No definition available. + Details
Name: | cx_SaleOfBusinessSalePrice
Namespace Prefix: | cx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Upfront premium net. + References No definition available. + Details
Name: | cx_UpfrontPremiumNet
Namespace Prefix: | cx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Adjustments for income tax expense to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 35 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_35&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_AdjustmentsForIncomeTaxExpense
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2020-01-01 -Paragraph 7 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_7&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_BorrowingsInterestRate
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
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_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash outflow for repayments of bonds, notes and debentures. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 17 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_17&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_RepaymentsOfBondsNotesAndDebentures
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | cx_AllowancesAxis=cx_Co2EmissionAllowancesInTheEuropeanUnionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=cx_RhoneAlpesMember
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=srt_EuropeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=cx_FullRedemptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=cx_January2025DollarNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=cx_EventsAfterReportingPeriodMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=ifrs-full_ForwardContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cx_AgreementAxis=cx_EnvironmentalLicenseAgreementMember
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_BorrowingsByNameAxis=cx_CemexSabDeCVJuly2031SeniorSecuredNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=cx_NotesPayableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=cx_CemexSabDeCvApril2026NotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=cx_CemexSabDeCvJanuary2025NotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_FR
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_ES
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cx_AssessmentOfTaxPeriodAxis=cx_TaxYears2010To2014Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cx_TaxAuthorityNameAxis=cx_TaxAuthoritySpainMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |