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Commitments and Contingencies - Other (Details)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2022
USD ($)
site
item
Mar. 31, 2022
USD ($)
Dec. 31, 2022
USD ($)
site
item
Dec. 31, 2021
USD ($)
Commitments And Contingencies [Line Items]        
Number of landfills adjacent to or near homeowners' properties with agreements guaranteeing market value | item 17   17  
Environmental remediation reasonably possible additional losses high estimate $ 135   $ 135  
Environmental remediation liabilities $ 204   $ 204  
Number of sites listed on the EPA's NPL for which we have been notified we are a PRP | site 73   73  
Number of owned sites listed on the EPA's NPL for which we have been notified we are a PRP | site 14   14  
Number of non-owned sites listed on the EPA's NPL for which we have been notified we are a PRP | site 59   59  
Dollar threshold for environmental matters requiring disclosure under item 103 of the SEC's Regulation S-K $ 1   $ 1  
Workforce covered by collective bargaining (as a percent)     20.00%  
San Jacinto Waste Pits [Member]        
Commitments And Contingencies [Line Items]        
Environmental remediation liabilities 68   $ 68 $ 53
Revisions in estimate   $ 17 $ 17  
2017 Audit [Member]        
Commitments And Contingencies [Line Items]        
Income tax deposit paid $ 103