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Contingencies - Additional Information (Detail) $ in Millions |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Feb. 29, 2024 | Apr. 30, 2019 | Dec. 31, 2024 USD ($) | Nov. 15, 2024 t | Oct. 31, 2021 t
Disclosure of Commitments and Contingencies [Line Items] |  |  |  |  |
Accrued environmental remediation liabilities | $ |  |  | $ 178 |  |
Percentage of entity's revenue | 75.00% |  |  |  |
Lease contract for a period |  |  | 21 years |  |
United States [member] |  |  |  |  |
Disclosure of Commitments and Contingencies [Line Items] |  |  |  |  |
Accrued environmental remediation liabilities | $ |  |  | $ 37 |  |
CI Calizas [member] |  |  |  |  |
Disclosure of Commitments and Contingencies [Line Items] |  |  |  |  |
Percentage of entity's revenue |  | 0.90% |  |  |
Proportion of ownership interests held by non-controlling interests |  |  | 28.00% |  |
Zomam [member] |  |  |  |  |
Disclosure of Commitments and Contingencies [Line Items] |  |  |  |  |
Concentration Risk Percentage |  | 0.30% |  |  |
Percentage of entity's revenue |  | 0.80% |  |  |
Percentage of Recovery Amount |  |  | 32.60% |  |
CEMEX Colombia [Member] |  |  |  |  |
Disclosure of Commitments and Contingencies [Line Items] |  |  |  |  |
Number of raw materials used for production | t |  |  |  | 1,500,000 | 1.3
Proportion of ownership interests held by non-controlling interests |  |  | 72.00% |  |
Top of range [member] | United Kingdom [member] |  |  |  |  |
Disclosure of Commitments and Contingencies [Line Items] |  |  |  |  |
Environmental expenditure assessment and quantification period from the date of closure, maximum |  |  | 60 years |  |
Bottom of range [member] | CEMEX Colombia [Member] |  |  |  |  |
Disclosure of Commitments and Contingencies [Line Items] |  |  |  |  |
Number of raw materials used for production | t |  |  |  | 990 |

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