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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 |  |  |

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