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Stockholders' Equity - Additional Information (Detail)
$ / shares in Units, $ in Millions
 12 Months Ended
Jun. 08, 2021
USD ($)
Mar. 25, 2021
USD ($)
shares
Jul. 18, 2016
Dec. 31, 2022
USD ($)
shares
Dec. 31, 2021
USD ($)
shares
Dec. 31, 2020
USD ($)
Dec. 31, 2019
Dec. 31, 2018
Mar. 26, 2020
USD ($)
$ / shares
shares
Disclosure of Classes of Share Capital [Line Items]                  
Percentage of net income allocation toward legal reserve       5.00%          
Legal reserve       $ 93          
Non-controlling interest and perpetual debentures       408 $ 444        
Coupon payment on perpetual debentures       (2,549) (2,365)        
Share price | $ / shares                 $ 0.22
Treasury shares       5 14       $ 83
Issuance of subordinated notes         $ 994        
Mandatory Convertible Securities [member] | Mandatory Convertible Securities 2019 [member]                  
Disclosure of Classes of Share Capital [Line Items]                  
Borrowings interest rate                 3.72%
Parent [member]                  
Disclosure of Classes of Share Capital [Line Items]                  
Coupon payment on perpetual debentures       $ 1,687          
Mexican peso [Member]                  
Disclosure of Classes of Share Capital [Line Items]                  
Closing foreign exchange rate       19.5 20.5 19.89      
Coupon Payment [Member]                  
Disclosure of Classes of Share Capital [Line Items]                  
Coupon payment on perpetual debentures         $ 11 $ 24      
Two Thousand And Nineteen Treasury Repurchase Program [member]                  
Disclosure of Classes of Share Capital [Line Items]                  
Treasury shares repurchase amount authorized                 $ 500
Two Thousand And Twenty Treasury Repurchase Program [Member]                  
Disclosure of Classes of Share Capital [Line Items]                  
Treasury shares repurchase amount authorized   $ 500              
Number of shares repurchased | shares   1,134,000,000              
Shares authorized to guarantee the conversion of then existing convertible securities | shares   3,409,500,000              
Retained earnings [member]                  
Disclosure of Classes of Share Capital [Line Items]                  
Restitution of retained earnings           2,481      
Non-controlling Interest [member]                  
Disclosure of Classes of Share Capital [Line Items]                  
Non-controlling interest and perpetual debentures       $ 408 444        
Net income attributable to noncontroling interest       27 $ 25 21      
Subordinated Notes [Member]                  
Disclosure of Classes of Share Capital [Line Items]                  
Coupon payment on perpetual debentures       54          
Issuance of subordinated notes $ 1,000     $ 994          
Percentage of issuance on subordinated note 5.125%                
Perpetual Subordinated Bonds [member]                  
Disclosure of Classes of Share Capital [Line Items]                  
Non-controlling interest and perpetual debentures           $ 449      
CEMEX Holdings Philippines, Inc. [member]                  
Disclosure of Classes of Share Capital [Line Items]                  
Non-controlling interest ownership percentage             33.22% 45.00%  
Percentage of outstanding common shares owned by the subsidiary     45.00%            
Reduction in non-controlling interest           22.16%      
CEMEX Latam Holdings, S.A. [member]                  
Disclosure of Classes of Share Capital [Line Items]                  
Non-controlling interest ownership percentage       4.70% 7.74%        
Caribbean TCL [member] | Trinidad Cement Limited [member]                  
Disclosure of Classes of Share Capital [Line Items]                  
Non-controlling interest ownership percentage       30.17% 30.17%        
CPO [Member]                  
Disclosure of Classes of Share Capital [Line Items]                  
Number of shares cumulatively repurchased | shares                 378,200,000
CPO [Member] | Parent [member]                  
Disclosure of Classes of Share Capital [Line Items]                  
Treasury shares       $ 8 $ 14        
Investment in shares held by the subsidiary | shares       (20,541,277) (20,541,277)