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Landfill and Environmental Remediation Liabilities - Summary (Detail) - USD ($) $ in Millions | Jun. 30, 2024 | Dec. 31, 2023
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Landfill and Environmental Remediation Liabilities |  |
Environmental Loss Contingency, Current, Statement of Financial Position [Extensible Enumeration] | Accrued Liabilities, Current | Accrued Liabilities, Current
Environmental Loss Contingency, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Long-term | Long-term
Total, Environmental Remediation | $ 208 |
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration] | Long-term, Accrued Liabilities, Current | Long-term, Accrued Liabilities, Current
Current (in accrued liabilities) | $ 175 | $ 174
Long-term | 2,936 | 2,888
Total | 3,111 | 3,062
Landfill [Member] |  |
Landfill and Environmental Remediation Liabilities |  |
Current (in accrued liabilities), Landfill | 144 | 143
Long-term, Landfill | 2,759 | 2,710
Total, Landfill | 2,903 | 2,853
Environmental Remediation Liabilities [Member] |  |
Landfill and Environmental Remediation Liabilities |  |
Current (in accrued liabilities), Environmental Remediation | 31 | 31
Long-term, Environmental Remediation | 177 | 178
Total, Environmental Remediation | $ 208 | $ 209

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