Derivative Instruments (Fair Values of Derivative Assets and Liabilities) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Asset
Current	$ 556.8		$ 556.8		$ 382.7
Long-term	1,032.7		1,032.7		1,087.6
Total	1,589.5		1,589.5		1,470.3
Liabilities
Current	327.8		327.8		296.8
Long-term	534.0		534.0		450.3
Total	$ 861.8		$ 861.8		$ 747.1
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Assets, Noncurrent		Other Assets, Noncurrent		Other Assets, Noncurrent
Derivative Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Noncurrent		Other Liabilities, Noncurrent		Other Liabilities, Noncurrent
Cross-currency and interest rate derivative contracts
Asset
Current	$ 554.8		$ 554.8		$ 381.4
Long-term	802.0		802.0		1,087.6
Total	1,356.8		1,356.8		1,469.0
Liabilities
Current	239.0		239.0		286.5
Long-term	533.5		533.5		449.0
Total	772.5		772.5		735.5
Gain (loss) on change in credit risk valuation included in realized and unrealized gains (losses) on derivative instruments, net	(6.9)	$ (16.3)	15.3	$ (7.0)
Equity-related derivative instruments
Asset
Current	0.0		0.0		0.0
Long-term	229.1		229.1		0.0
Total	229.1		229.1		0.0
Liabilities
Current	87.3		87.3		0.0
Long-term	0.0		0.0		0.0
Total	87.3		87.3		0.0
Foreign currency forward and option contracts
Asset
Current	1.8		1.8		1.0
Long-term	1.6		1.6		0.0
Total	3.4		3.4		1.0
Liabilities
Current	1.5		1.5		10.3
Long-term	0.5		0.5		1.3
Total	2.0		2.0		11.6
Other
Asset
Current	0.2		0.2		0.3
Long-term	0.0		0.0		0.0
Total	$ 0.2		$ 0.2		$ 0.3