Debt - Schedule (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Finance leases	$ 61.2	$ 61.5
Less: unamortized debt discounts and debt issuance costs	(37.5)	(39.7)
Total long-term debt (including current portion)	6,577.0	6,541.4
Current portion of long-term debt	(385.1)	(376.2)
Total long-term debt	6,191.9	6,165.2
Short-term borrowings	38.1	20.9
Current portion of long-term debt and short-term borrowings	423.2	397.1
Senior notes | CAD 500 million 2.84% notes due July 2023(1)
Debt Instrument [Line Items]
Long-term debt, carrying amount	377.6	368.9
Senior notes | EUR 800 million 1.25% notes due July 2024
Debt Instrument [Line Items]
Long-term debt, carrying amount	872.7	856.4
Senior notes | CAD 500 million 3.44% notes due July 2026
Debt Instrument [Line Items]
Long-term debt, carrying amount	377.6	368.9
Senior notes | $2.0 billion 3.0% notes due July 2026
Debt Instrument [Line Items]
Long-term debt, carrying amount	2,000.0	2,000.0
Senior notes | $1.1 billion 5.0% notes due May 2042
Debt Instrument [Line Items]
Long-term debt, carrying amount	1,100.0	1,100.0
Senior notes | $1.8 billion 4.2% notes due July 2046
Debt Instrument [Line Items]
Long-term debt, carrying amount	1,800.0	1,800.0
Other
Debt Instrument [Line Items]
Long-term debt, carrying amount	$ 25.4	$ 25.4