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Commitments and Contingencies (Details)
$ in Millions
 3 Months Ended 6 Months Ended
Dec. 31, 2022
USD ($)
Mar. 31, 2022
USD ($)
Jun. 30, 2023
USD ($)
site
Commitments And Contingencies [Line Items]      
Number of landfills adjacent to or near homeowners' properties with agreements guaranteeing market value | site     19
Environmental remediation reasonably possible additional losses high estimate     $ 125
Revisions in estimate   $ 17  
Environmental remediation liabilities     $ 196
Number of sites listed on the EPA's NPL for which we have been notified we are a PRP | site     73
Number of owned sites listed on the EPA's NPL for which we have been notified we are a PRP | site     14
Number of non-owned sites listed on the EPA's NPL for which we have been notified we are a PRP | site     59
Dollar threshold for environmental matters requiring disclosure under item 103 of the SEC's Regulation S-K     $ 1
Workforce covered by collective bargaining (as a percent)     20.00%
Expected time of completion of IRS audits     21 months
2017 Audit [Member]      
Commitments And Contingencies [Line Items]      
Income tax deposit paid $ 103    
San Jacinto Waste Pits [Member]      
Commitments And Contingencies [Line Items]      
Revisions in estimate   $ 17  
Environmental remediation liabilities $ 68   $ 69
Revolving Credit Facility [Member]      
Commitments And Contingencies [Line Items]      
Credit Facility, aggregate capacity     $ 3,500