Financial Instruments - Narrative (Details) - USD ($)	6 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Derivative [Line Items]
Long-term debt, carrying value	$ 11,903,300,000	$ 9,554,400,000
Contingent consideration - other accrued liabilities and other long-term liabilities	63,500,000	64,400,000
Waste Management Contract, Sonoma County
Derivative [Line Items]
Contingent consideration - other accrued liabilities and other long-term liabilities	61,400,000
Potential undiscounted future contingent liability payments, minimum	77,000,000
Potential undiscounted future contingent liability payments, maximum	95,000,000
Change in contingent consideration, liability	0
Carrying Amount
Derivative [Line Items]
Contingent consideration - other accrued liabilities and other long-term liabilities	67,900,000	68,800,000
Estimate of Fair Value Measurement
Derivative [Line Items]
Long-term debt	$ 11,400,000,000	$ 10,300,000,000