Commitments and Contingencies (Details) $ in Millions	3 Months Ended		9 Months Ended
	Dec. 31, 2022 USD ($)	Mar. 31, 2022 USD ($)	Sep. 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			$ 120
Revisions in estimate		$ 17
Environmental remediation liabilities			$ 185
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			18 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		$ 68
Revolving Credit Facility [Member]
Commitments And Contingencies [Line Items]
Credit Facility, aggregate capacity			$ 3,500