Commitments and Contingencies (Details) $ in Millions	3 Months Ended	9 Months Ended
	Dec. 31, 2022 USD ($)	Sep. 30, 2025 USD ($) site	Dec. 31, 2024 USD ($)
Contingencies
Landfills near properties guaranteeing market value | site		18
Aggregate increase potential liability		$ 10
Sites EPA notified we are a PRP | site		74
Owned sites EPA notified we are a PRP | site		14
Non-owned sites EPA notified we are a PRP | site		60
Environmental remediation liabilities		$ 215
Environmental matters threshold requiring disclosure under SEC Item 103		$ 1
Workforce covered by collective bargaining (as a percent)		20.00%
Revolving Credit Facility [Member]
Contingencies
Credit Facility, aggregate capacity		$ 3,500
Tax Year 2017 [Member]
Contingencies
Income tax deposit paid	$ 103
San Jacinto Waste Pits [Member]
Contingencies
Environmental remediation liabilities		$ 101	$ 97