Derivative Instruments (Fair Values of Derivative Assets and Liabilities) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Asset
Current	$ 525.5		$ 518.1
Long-term	762.0		738.8
Total	1,287.5		1,256.9
Liabilities
Current	317.6		426.8
Long-term	584.3		953.0
Total	$ 901.9		$ 1,379.8
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Assets, Noncurrent		Other Assets, Noncurrent
Derivative Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Noncurrent		Other Liabilities, Noncurrent
Cross-currency and interest rate derivative contracts
Asset
Current	$ 515.1		$ 515.6
Long-term	456.9		427.5
Total	972.0		943.1
Liabilities
Current	220.4		369.9
Long-term	581.8		948.5
Total	802.2		1,318.4
Gain (loss) on change in credit risk valuation included in realized and unrealized gains (losses) on derivative instruments, net	(48.8)	$ (21.4)
Equity-related derivative instruments
Asset
Current	0.0		0.0
Long-term	304.5		310.7
Total	304.5		310.7
Liabilities
Current	90.7		47.4
Long-term	0.0		0.0
Total	90.7		47.4
Foreign currency forward and option contracts
Asset
Current	10.2		2.3
Long-term	0.6		0.6
Total	10.8		2.9
Liabilities
Current	6.5		9.5
Long-term	2.5		4.5
Total	9.0		14.0
Other
Asset
Current	0.2		0.2
Long-term	0.0		0.0
Total	$ 0.2		$ 0.2