Revenues and Gross Profit - Total Revenues and Gross Profit (Loss) by Product Line (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Product Information [Line Items]
Revenues	$ 6,536	$ 6,777	$ 6,161
Gross profit (loss)	1,878	2,023	1,423
Interproduct Revenues
Product Information [Line Items]
Revenues	(250)	(245)	(205)
Corporate
Product Information [Line Items]
Revenues	0	0	0
Gross profit (loss)	(39)	3	(6)
Building Materials Business | Operating Segments
Product Information [Line Items]
Revenues	6,216	6,462	5,857
Gross profit (loss)	1,810	1,923	1,338
Magnesia Specialties | Operating Segments
Product Information [Line Items]
Revenues	320	315	304
Gross profit (loss)	107	97	91
Aggregates | Building Materials Business | Operating Segments | Reportable Subsegments
Product Information [Line Items]
Revenues	4,514	4,302	3,879
Gross profit (loss)	1,449	1,378	984
Cement and ready mixed concrete | Building Materials Business | Operating Segments | Reportable Subsegments
Product Information [Line Items]
Revenues	1,083	1,518	1,395
Gross profit (loss)	260	436	273
Asphalt and Paving | Building Materials Business | Operating Segments | Reportable Subsegments
Product Information [Line Items]
Revenues	869	887	788
Gross profit (loss)	$ 101	$ 109	$ 81