v3.26.1
Commitments and Contingencies (Detail) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2026
Dec. 31, 2022
Jun. 30, 2026
Dec. 31, 2025
Commitments and Contingencies        
Landfills near properties guaranteeing market value 18   18  
Aggregate increase potential liability     $ 16,000,000  
Environmental remediation liabilities $ 230,000,000   $ 230,000,000  
Sites EPA notified we are a PRP 75   75  
Owned sites EPA notified we are a PRP 14   14  
Non-owned sites EPA notified we are a PRP 61   61  
Environmental matters threshold requiring disclosure under SEC Item 103 $ 1,000,000   $ 1,000,000  
Workforce covered by collective bargaining (as a percent)     15.00%  
Other Noncurrent Assets [Member]        
Commitments and Contingencies        
Amount of IRS deposit net of reserves 89,000,000   $ 89,000,000 $ 103,000,000
Tax Year 2017 [Member]        
Commitments and Contingencies        
Amount of refund received 14,000,000      
Income tax deposit paid   $ 103,000,000    
San Jacinto Waste Pits [Member]        
Commitments and Contingencies        
Environmental remediation liabilities 100,000,000   100,000,000 $ 100,000,000
Revolving Credit Facility [Member]        
Commitments and Contingencies        
Credit Facility, aggregate capacity $ 3,500,000,000   $ 3,500,000,000