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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