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Landfill and Environmental Remediation Liabilities - Summary (Detail) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
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 $ 204  
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration] Long-term, Accrued Liabilities, Current Long-term, Accrued Liabilities, Current
Current (in accrued liabilities) $ 168 $ 166
Long-term 2,700 2,373
Total 2,868 2,539
Landfill [Member]    
Landfill and environmental remediation liabilities    
Current (in accrued liabilities), Landfill 137 137
Long-term, Landfill 2,527 2,189
Total, Landfill 2,664 2,326
Environmental Remediation Liabilities [Member]    
Landfill and environmental remediation liabilities    
Current (in accrued liabilities), Environmental Remediation 31 29
Long-term, Environmental Remediation 173 184
Total, Environmental Remediation $ 204 $ 213