XML 170 R128.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Financial Instruments - Additional Information - Risk Management (Detail) $ in Millions, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 USD ($) | Dec. 31, 2017 MXN ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2016 MXN ($) | Dec. 31, 2015 MXN ($) | Dec. 31, 2017 MXN ($)
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Hypothetic foreign exchange rate strengthening | 10.00% | 10.00% |  |  |  |
Financial debt percentage | 59.00% | 59.00% |  |  |  |
Decrease in net income due to change in the fair value | $ 14 | $ 283 |  |  |  |
Hypothetical market price percentage | 10.00% | 10.00% |  |  |  |
Other financial obligations |  |  |  | $ 11,658 |  | $ 19,362
Cash flows provided by operating activities from continuing operations |  | $ 30,966 |  | $ 37,955 | $ 18,139 |
Euro [Member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Financial debt percentage | 33.00% | 33.00% |  |  |  |
Pounds [member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Borrowings, interest rate | 2.60% |  |  | 0.00% |  | 2.60%
Financial debt percentage | 5.00% | 5.00% |  |  |  |
Philippine pesos [member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Borrowings, interest rate | 4.60% |  |  | 0.00% |  | 4.60%
Financial debt percentage | 3.00% | 3.00% |  |  |  |
Conversion Option [Member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Decrease in net income due to change in the fair value | $ 9 | $ 180 | $ 8 | $ 162 |  |
Hypothetical market price percentage | 10.00% | 10.00% | 10.00% | 10.00% |  |
Hedge fund investments [member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Foreign currency translation | $ 1,250 |  |  |  |  |
Hypothetic 10% strengthening of the dollar against the Mexican peso [member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Reduction in income | $ 119 | $ 2,343 | $ 136 | $ 2,829 |  |
Credit risk [member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Expense recognised during period for bad and doubtful debts for related party transaction |  | 2,145 |  |  |  |
Interest rate risk [member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 2.68% |  |  | 3.06% |  | 2.68%
Reduction in income | $ 18 | $ 353 | $ 18 | $ 373 |  |
Interest rate risk [member] | Top of range [member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Borrowings, interest rate | 0.50% |  |  | 0.50% |  | 0.50%
Interest rate risk [member] | Floating interest rate [member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Borrowings, interest rate | 31.00% |  |  | 28.00% |  | 31.00%
Currency risk [member] | Mexico [member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Percentage of entity's revenue | 21.00% | 21.00% |  |  |  |
Currency risk [member] | United States [member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Percentage of entity's revenue | 24.00% | 24.00% |  |  |  |
Currency risk [member] | United Kingdom [member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Percentage of entity's revenue | 7.00% | 7.00% |  |  |  |
Currency risk [member] | Germany [member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Percentage of entity's revenue | 4.00% | 4.00% |  |  |  |
Currency risk [member] | France [member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Percentage of entity's revenue | 6.00% | 6.00% |  |  |  |
Currency risk [member] | Poland [member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Percentage of entity's revenue | 2.00% | 2.00% |  |  |  |
Currency risk [member] | Spain [member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Percentage of entity's revenue | 2.00% | 2.00% |  |  |  |
Currency risk [member] | Rest Of Europe Region [Member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Percentage of entity's revenue | 3.00% | 3.00% |  |  |  |
Currency risk [member] | Colombia [member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Percentage of entity's revenue | 4.00% | 4.00% |  |  |  |
Currency risk [member] | Costa Rica [Member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Percentage of entity's revenue | 1.00% | 1.00% |  |  |  |
Currency risk [member] | Panama [member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Percentage of entity's revenue | 2.00% | 2.00% |  |  |  |
Currency risk [member] | Rest of South, Central America and the Caribbean region [member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Percentage of entity's revenue | 4.00% | 4.00% |  |  |  |
Currency risk [member] | Caribbean Tcl [Member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Percentage of entity's revenue | 2.00% | 2.00% |  |  |  |
Currency risk [member] | Philippines [member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Percentage of entity's revenue | 3.00% | 3.00% |  |  |  |
Currency risk [member] | Egypt [member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Percentage of entity's revenue | 1.00% | 1.00% |  |  |  |
Currency risk [member] | Asia, Middle East and Africa [member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Percentage of entity's revenue | 5.00% | 5.00% |  |  |  |
Currency risk [member] | Other Operations [Member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Percentage of entity's revenue | 9.00% | 9.00% |  |  |  |
Liquidity risk [member] |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Current maturities of debt |  |  |  |  |  | $ 36,335
Other financial obligations |  |  |  |  |  | 40,814
Cash flows provided by operating activities from continuing operations |  | $ 30,966 |  |  |  |
Revolving credit facility | $ 1,512 |  |  |  |  | $ 29,711

X
- Definition Financial Debt Percentage + References No definition available. + Details
Name: | cx_FinancialDebtPercentage
Namespace Prefix: | cx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Foreign currency translation adjustment. + References No definition available. + Details
Name: | cx_ForeignCurrencyTranslationAdjustment
Namespace Prefix: | cx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Hypothetical Market Price Percentage + References No definition available. + Details
Name: | cx_HypotheticalMarketPricePercentage
Namespace Prefix: | cx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Increase decrease in foreign currency exchange rate percentage. + References No definition available. + Details
Name: | cx_IncreaseDecreaseInForeignCurrencyExchangeRatePercentage
Namespace Prefix: | cx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Increase (decrease) in net income. + References No definition available. + Details
Name: | cx_IncreaseDecreaseInNetIncome
Namespace Prefix: | cx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Revolving Credit Facility + References No definition available. + Details
Name: | cx_RevolvingCreditFacility
Namespace Prefix: | cx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The adjustment to the basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 7 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_7&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_BorrowingsAdjustmentToInterestRateBasis
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 7 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_7&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_BorrowingsInterestRate
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cash flows from (used in) the entity's operating activities, related to continuing operations. [Refer: Continuing operations [member]; Cash flows from (used in) operating activities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 5 -IssueDate 2017-01-01 -Paragraph 33 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=5&date=2017-03-01&anchor=para_33_c&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_CashFlowsFromUsedInOperatingActivitiesContinuingOperations
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The current portion of non-current borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_CurrentPortionOfLongtermBorrowings
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of decrease in the fair value measurement of assets due to a change in one or more unobservable inputs to reflect reasonably possible alternative assumptions. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2017-01-01 -Paragraph 93 -Subparagraph h -Clause ii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=13&date=2017-03-01&anchor=para_93_h_ii&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_DecreaseInFairValueMeasurementDueToChangeInOneOrMoreUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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_DisclosureOfFinancialInstrumentsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of expense recognised during the period in respect of bad or doubtful debts due from related parties. [Refer: Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2017-01-01 -Paragraph 18 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=24&date=2017-03-01&anchor=para_18_d&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_ExpenseRecognisedDuringPeriodForBadAndDoubtfulDebtsForRelatedPartyTransaction
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of current financial liabilities that the entity does not separately disclose in the same statement or note. [Refer: Other financial liabilities; Current financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2017-01-01 -Paragraph B13 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2017-03-01&anchor=para_B13_b&doctype=Appendix&seq=2 -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 54 -Subparagraph m -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_54_m&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_OtherCurrentFinancialLiabilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The percentage of the entity's revenue. [Refer: Revenue] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 8 -IssueDate 2017-01-01 -Paragraph 34 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2017-03-01&anchor=para_34&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_PercentageOfEntitysRevenue
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_CurrencyAxis=cx_EuroMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CurrencyAxis=currency_GBP
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CurrencyAxis=currency_PHP
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=ifrs-full_HedgeFundInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementScenarioAxis=cx_ScenarioOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=ifrs-full_CreditRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=ifrs-full_InterestRateRiskMember
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_TypesOfInterestRatesAxis=ifrs-full_FloatingInterestRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=ifrs-full_CurrencyRiskMember
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_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_DE
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_PL
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: | ifrs-full_GeographicalAreasAxis=cx_RestOfEuropeRegionMember
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_GeographicalAreasAxis=cx_CostaRicaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

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

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

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=ifrs-full_LiquidityRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |