XML 134 R88.htm IDEA: XBRL DOCUMENT
v3.19.1

Trade Accounts Receivable, Net - Summary of Trade Accounts Receivable and Allowance for Expected Credit Loss (Detail) - MXN ($) $ in Millions | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | --- | --- | ---
Trade Accounts Receivables And Allowance For Expected Credit Loss [line items] |  |  |  |
Accounts receivable | $ 31,584 | $ 32,733 |  |
ECL allowance | 2,336 | $ 2,145 | $ 2,196 | $ 2,152
Mexico [member] |  |  |  |
Trade Accounts Receivables And Allowance For Expected Credit Loss [line items] |  |  |  |
Accounts receivable | 5,185 |  |  |
ECL allowance | $ 717 |  |  |
ECL average rate | 13.80% |  |  |
United States [member] |  |  |  |
Trade Accounts Receivables And Allowance For Expected Credit Loss [line items] |  |  |  |
Accounts receivable | $ 8,432 |  |  |
ECL allowance | $ 78 |  |  |
ECL average rate | 0.90% |  |  |
Europe [member] |  |  |  |
Trade Accounts Receivables And Allowance For Expected Credit Loss [line items] |  |  |  |
Accounts receivable | $ 9,087 |  |  |
ECL allowance | $ 618 |  |  |
ECL average rate | 6.80% |  |  |
South, Central America And Caribbean [member] |  |  |  |
Trade Accounts Receivables And Allowance For Expected Credit Loss [line items] |  |  |  |
Accounts receivable | $ 2,817 |  |  |
ECL allowance | $ 550 |  |  |
ECL average rate | 19.50% |  |  |
Asia, Middle East and Africa [member] |  |  |  |
Trade Accounts Receivables And Allowance For Expected Credit Loss [line items] |  |  |  |
Accounts receivable | $ 5,327 |  |  |
ECL allowance | $ 272 |  |  |
ECL average rate | 5.10% |  |  |
Other country [member] |  |  |  |
Trade Accounts Receivables And Allowance For Expected Credit Loss [line items] |  |  |  |
Accounts receivable | $ 736 |  |  |
ECL allowance | $ 101 |  |  |
ECL average rate | 13.70% |  |  |

X
- Definition Trade Accounts Receivables And Allowance For Expected Credit Loss [line items] + References No definition available. + Details
Name: | cx_TradeAccountsReceivablesAndAllowanceForExpectedCreditLossLineItems
Namespace Prefix: | cx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of current trade receivables and current other receivables, gross. [Refer: Current trade receivables; Other current receivables] + References No definition available. + Details
Name: | cx_TradeAndOtherCurrentReceivablesGross
Namespace Prefix: | cx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of an allowance account used to record impairments to financial assets due to credit losses. [Refer: Financial assets] + 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 16 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-02&anchor=para_16&doctype=Standard&book=b -URIDate 2018-03-16 + Details
Name: | ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The rate of expected credit losses, calculated as percentage of the gross carrying amount. Expected credit losses are the weighted average of credit losses with the respective risks of a default occurring as the weights. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph IG20D -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_IG20D&doctype=Implementation%20Guidance -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 35N -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_35N&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_ExpectedCreditLossRate
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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=srt_EuropeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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