Revenues and Gross Profit - Total Revenues and Gross Profit (Loss) by Product Line (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Product Information [Line Items]
Total Revenues	$ 1,251	$ 1,354
Gross profit (loss)	272	303
Interproduct Revenues
Product Information [Line Items]
Total Revenues	(39)	(39)
Corporate
Product Information [Line Items]
Gross profit (loss)	(5)	2
Building Materials Business | Operating Segments
Product Information [Line Items]
Total Revenues	1,170	1,271
Gross profit (loss)	248	276
Magnesia Specialties | Operating Segments
Product Information [Line Items]
Total Revenues	81	83
Gross profit (loss)	29	25
Aggregates | Building Materials Business | Operating Segments | Reportable Subsegments
Product Information [Line Items]
Total Revenues	885	912
Gross profit (loss)	239	238
Cement and ready mixed concrete | Building Materials Business | Operating Segments | Reportable Subsegments
Product Information [Line Items]
Total Revenues	265	340
Gross profit (loss)	31	58
Asphalt and paving services | Building Materials Business | Operating Segments | Reportable Subsegments
Product Information [Line Items]
Total Revenues	59	58
Gross profit (loss)	$ (22)	$ (20)