XML 190 R144.htm IDEA: XBRL DOCUMENT
v3.19.1

Pensions and Post-Employment Benefits - Schedule of Estimated Payments for Pensions and Other Post-Employment Benefits (Detail) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 MXN ($)
Disclosure - Pensions and Post-Employment Benefits - Schedule of Estimated Payments for Pensions and Other Post-Employment Benefits [Abstract] |
2019 | $ 2,904
2020 | 2,663
2021 | 2,641
2022 | 2,662
2023 - 2028 | $ 15,714

X
- Definition Disclosure - Pensions and Post-Employment Benefits - Schedule of Estimated Payments for Pensions and Other Post-Employment Benefits [Abstract] + References No definition available. + Details
Name: | cx_DisclosurePensionsAndPostEmploymentBenefitsScheduleOfEstimatedPaymentsForPensionsAndOtherPostEmploymentBenefitsAbstract
Namespace Prefix: | cx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Estimated payments for pensions and other post employment benefits due in next twelve months. + References No definition available. + Details
Name: | cx_EstimatedPaymentsForPensionsAndOtherPostEmploymentBenefitsDueInNextTwelveMonths
Namespace Prefix: | cx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Estimated payments for pensions and other post employment benefits due in year four. + References No definition available. + Details
Name: | cx_EstimatedPaymentsForPensionsAndOtherPostEmploymentBenefitsDueInYearFour
Namespace Prefix: | cx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Estimated payments for pensions and other post employment benefits due in year three. + References No definition available. + Details
Name: | cx_EstimatedPaymentsForPensionsAndOtherPostEmploymentBenefitsDueInYearThree
Namespace Prefix: | cx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Estimated payments for pensions and other post employment benefits due in year two. + References No definition available. + Details
Name: | cx_EstimatedPaymentsForPensionsAndOtherPostEmploymentBenefitsDueInYearTwo
Namespace Prefix: | cx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Estimated Payments For Pensions And Other Post employment Benefits Due In Years Five To Ten + References No definition available. + Details
Name: | cx_EstimatedPaymentsForPensionsAndOtherPostEmploymentBenefitsDueInYearsFiveToTen
Namespace Prefix: | cx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration