Commitments and Contingencies - Other (Details) $ in Millions	3 Months Ended		12 Months Ended
	Dec. 31, 2024 USD ($) item site	Dec. 31, 2022 USD ($)	Dec. 31, 2024 USD ($) item site	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Commitments and Contingencies
Number of landfills adjacent to or near homeowners' properties with agreements guaranteeing market value | item	18		18
Environmental remediation liabilities	$ 222		$ 222
Number of sites listed on the EPA's NPL for which we have been notified we are a PRP | site	74		74
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	60		60
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%
Southern District of New York and EPA [Member]
Commitments and Contingencies
Accrual	10		$ 10
San Jacinto Waste Pits [Member]
Commitments and Contingencies
Environmental remediation liabilities	97		97	$ 85
Revisions in estimate	$ 13		$ 13	$ 17	$ 17
Tax Year 2017 [Member]
Commitments and Contingencies
Income tax deposit paid		$ 103