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Landfill and Environmental Costs - Accrued Landfill and Environmental Costs (Details) - USD ($)
$ in Millions
Jun. 30, 2022
Dec. 31, 2021
Jun. 30, 2021
Dec. 31, 2020
Environmental Remediation Obligations [Abstract]        
Total accrued landfill and environmental costs $ 2,194.1 $ 1,962.2    
Long-term portion 2,072.8 1,837.7    
Asset Retirement Obligation 1,657.2 1,507.3 $ 1,425.5 $ 1,346.4
Less: current portion (121.3) (124.5)    
Environmental remediation $ 536.9 $ 454.9 $ 468.8 $ 462.8