Accounting Policies - Additional Information (Detail) $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($) Facility State Segment	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Significant Accounting Policies [Line Items]
Number of quarries and yards | Facility	390
Number of states in which entity operates | State	28
Reportable business segments | Segment	2
Restricted cash	$ 0	$ 10	$ 1
Number of days restricted from utilizing cash	180 days
Retirement plans and postretirement benefits amortized amount representing percentage of greater of projected benefit obligation or pension plan assets.	10.00%
Minimum likelihood for recognition of tax benefit related to uncertain tax position	50.00%
Percentage of minimum amount of income tax payments net of refunds received		5.00%
Goodwill acquired	$ 3,767	$ 3,389	3,649
Depletion expense	78	$ 53	$ 60
Magnesia Specialties [Member]
Significant Accounting Policies [Line Items]
Goodwill acquired	$ 0
Inventory Finished Goods | Minimum
Significant Accounting Policies [Line Items]
Allowance for inventories in excess of sales requisite record period	1 year
Inventory Finished Goods | Weighted Average
Significant Accounting Policies [Line Items]
Allowance for inventories in excess of sales requisite record period	2 years
Expendable Parts Inventory
Significant Accounting Policies [Line Items]
Allowance for inventories in excess of sales requisite record period	5 years
Supplies Inventory
Significant Accounting Policies [Line Items]
Allowance for inventories in excess of sales requisite record period		1 year
Percentage of Aggregate Business Net Sales in Top Ten Sales states | Geographic Concentration Risk | Sales Revenue Segment
Significant Accounting Policies [Line Items]
Total net sales, percentage	81.00%