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Revenues and Gross Profit - Total Revenues and Gross Profit (Loss) by Product Line (Detail) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Product Information [Line Items]        
Revenues $ 1,846 $ 1,642 $ 4,617 $ 4,250
Gross profit (loss) 611 513 1,422 1,211
Interproduct Revenues        
Product Information [Line Items]        
Revenues (94) (82) (216) (184)
Corporate        
Product Information [Line Items]        
Revenues 0 0 0 0
Gross profit (loss) (8) (18) (18) (34)
Building Materials Business | Operating Segments        
Product Information [Line Items]        
Revenues 1,715 1,560 4,308 4,007
Gross profit (loss) 585 502 1,332 1,161
Specialties | Operating Segments        
Product Information [Line Items]        
Revenues 131 82 309 243
Gross profit (loss) 34 29 108 84
Other Building Materials | Building Materials Business | Operating Segments | Reportable Subsegments        
Product Information [Line Items]        
Revenues 351 392 744 814
Gross profit (loss) 54 64 75 92
Aggregates | Building Materials Business | Operating Segments | Reportable Subsegments        
Product Information [Line Items]        
Revenues 1,458 1,250 3,780 3,377
Gross profit (loss) $ 531 $ 438 $ 1,257 $ 1,069