Debt - Schedule (Details) - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Present value of lease liabilities	$ 67,200,000	$ 67,200,000
Less: unamortized debt discounts and debt issuance costs	(43,100,000)	(44,600,000)
Total long-term debt (including current portion)	7,138,800,000	7,155,200,000
Current portion of long-term debt	(507,300,000)	(508,000,000.0)
Long-term debt	6,631,500,000	6,647,200,000
Commercial paper programs	160,000,000.0	0
Short-term borrowings	14,600,000	6,900,000
Current portion of long-term debt	507,300,000	508,000,000.0
Current portion of long-term debt and short-term borrowings	681,900,000	514,900,000
Senior notes | CAD 500 million 2.84% notes due July 2023
Debt Instrument [Line Items]
Long-term debt, carrying amount	399,800,000	395,700,000
Senior notes | CAD 500 million 3.44% notes due July 2026
Debt Instrument [Line Items]
Long-term debt, carrying amount	399,800,000	395,700,000
Senior notes | $500 million 3.5% notes due May 2022
Debt Instrument [Line Items]
Long-term debt, carrying amount	500,200,000	500,900,000
Senior notes | $2.0 billion 3.0% notes due July 2026
Debt Instrument [Line Items]
Long-term debt, carrying amount	2,000,000,000	2,000,000,000
Senior notes | $1.1 billion 5.0% notes due May 2042
Debt Instrument [Line Items]
Long-term debt, carrying amount	1,100,000,000	1,100,000,000
Senior notes | $1.8 billion 4.2% notes due July 2046
Debt Instrument [Line Items]
Long-term debt, carrying amount	1,800,000,000	1,800,000,000
Senior notes | EUR 800 million 1.25% notes due July 2024
Debt Instrument [Line Items]
Long-term debt, carrying amount	885,400,000	909,600,000
Other
Debt Instrument [Line Items]
Long-term debt, carrying amount	$ 29,500,000	$ 30,700,000