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Goodwill and Intangible Assets, Net - Additional Information (Detail)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
Disclosure of detailed information about intangible assets [line items]        
Risk free rate 4.25% 4.79% 3.58% 1.82%
Increase in pre-tax discount rate 1.00%      
Decrease in long-term growth rate 1.00%      
Weighted average Operating EBITDA multiple 9.7      
Impairment of finite lived intangible assets   $ 7    
Market risk premium percentage     1.70%  
Stock volatility factor 1.05 1.07 1.08  
Percentage reduction in long term growth rate 0.70% 1.20%    
Weight of Debt 21.10% 22.50% 27.00%  
Off set By Market Premium Factor 6.00% 5.90%    
Operating segments [member]        
Disclosure of detailed information about intangible assets [line items]        
Impairment of finite lived intangible assets     $ 365  
Cemex [Member]        
Disclosure of detailed information about intangible assets [line items]        
Funding cost percentage 5.30% 6.70% 6.70% 4.10%
Top of range [member]        
Disclosure of detailed information about intangible assets [line items]        
Funding cost percentage 5.30%      
Risk free rate 5.50%      
Weighted average [member] | Cemex [Member] | Operating segments [member]        
Disclosure of detailed information about intangible assets [line items]        
Discount rates 0.70% 1.20%   2.00%
United States [member]        
Disclosure of detailed information about intangible assets [line items]        
Sensitivity analyses Of discount rates 4.50%      
Discount rates 9.40% 10.10% 9.10%  
United States [member] | Operating segments [member]        
Disclosure of detailed information about intangible assets [line items]        
Discount rates 1.00%      
Impairment of finite lived intangible assets     $ 273  
Spain [member]        
Disclosure of detailed information about intangible assets [line items]        
Discount rates 9.80% 10.70% 9.40%  
Spain [member] | Operating segments [member]        
Disclosure of detailed information about intangible assets [line items]        
Impairment of finite lived intangible assets     $ 92  
Colombia [member]        
Disclosure of detailed information about intangible assets [line items]        
Sensitivity analyses Of discount rates 4.50%      
Discount rates 12.10% 12.70% 10.90%