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Revenue and Construction Contracts - Summary of Revenue, After Sales and Eliminations Between Related Parties Resulting from Consolidation (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Analysis of income and expense [abstract]      
From the sale of goods associated to CEMEX's main activities $ 14,009 $ 12,344 $ 12,446
From the sale of services 169 145 147
From the sale of other goods and services 370 325 366
Total $ 14,548 $ 12,814 $ 12,959