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Commitments and Contingencies - Other (Details) $ in Millions | 3 Months Ended | 12 Months Ended
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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 |  |  |

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