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Material Accounting Policies - Additional Information (Detail) - EUR (€)
€ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disclosure of significant accounting policies [line items]      
Average effective tax rate (86.30%) (27.10%) (14.40%)
With Effect From First Of January Two Thousand And Twenty Four [Member] | Pillar Two Tax Reform [Member]      
Disclosure of significant accounting policies [line items]      
Minimum alternate tax rate percentage     15.00%
Minimum annual revenue for the applicability of minimum alternate tax rate     € 750
CEMEX Espana SA [member] | With Effect From First Of January Two Thousand And Twenty Four [Member] | Pillar Two Tax Reform [Member]      
Disclosure of significant accounting policies [line items]      
Minimum alternate tax rate percentage     15.00%
Computer software [member]      
Disclosure of significant accounting policies [line items]      
Useful life of intangible asset 5 years    
Extraction rights [member]      
Disclosure of significant accounting policies [line items]      
Useful life of intangible asset 83 years    
Bottom of range [member]      
Disclosure of significant accounting policies [line items]      
Useful life of intangible asset 3 years    
Top of range [member]      
Disclosure of significant accounting policies [line items]      
Useful life of intangible asset 20 years    
Top of range [member] | CEMEX Espana SA [member] | With Effect From First Of January Two Thousand And Twenty Four [Member] | Pillar Two Tax Reform [Member]      
Disclosure of significant accounting policies [line items]      
Average effective tax rate     15.00%