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Main Subsidiaries - Summary of Main Subsidiaries Interests (Parenthetical) (Detail) | 12 Months Ended
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Dec. 31, 2020
CEMEX Colombia S.A [member] |
Disclosure of subsidiaries [line items] |
Percentage of equity interest | 51.00%
CEMEX Topmix LLC, CEMEX Supermix LLC and CEMEX Falcon LLC [member] |
Disclosure of subsidiaries [line items] |
Percentage of equity interest | 49.00%
Cemento Bayano, S.A. [member] |
Disclosure of subsidiaries [line items] |
Interest held on treasury | 0.515%
Trinidad Cement Limited [member] |
Disclosure of subsidiaries [line items] |
Percentage of ownership interest | 74.08%
Caribbean Cement Company Limited [member] |
Disclosure of subsidiaries [line items] |
Percentage of ownership interest | 79.04%
Other Subsidiaries [Member] |
Disclosure of subsidiaries [line items] |
Percentage of ownership interest | 4.96%

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- 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
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- Details
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- Details
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- Details
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- Details
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- Details
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- Details
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