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v3.25.1

Investments In Associates And Joint Ventures, Other Investments And Non-Current Accounts Receivable - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Camcem [member] |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Percentage Of Total Assets | 78.00% | 76.00% |
Percentage Of Total Liabilities | 79.00% | 77.00% |
Associates and Joint Ventures [Member] |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Percentage Of Total Assets | 68.00% | 59.00% | 53.00%

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- Definition Percentage of total assets. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- Definition Percentage of total liabilities. + References No definition available. + Details
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Namespace Prefix: | cx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_SignificantInvestmentsInAssociatesAxis=cx_AssociatesAndJointVenturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |