Derivative Instruments (Realized and Unrealized Gains (Losses) on Derivatives) (Schedule and Footnotes) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Derivative [Line Items]
Gain (loss) on derivative instruments, net	$ (34.4)	$ 508.3
Cross-currency and interest rate derivative contracts
Derivative [Line Items]
Gain (loss) on derivative instruments, net	(66.9)	472.3
Equity-related derivative instruments
Derivative [Line Items]
Gain (loss) on derivative instruments, net	31.7	0.0
Foreign currency forward and option contracts
Derivative [Line Items]
Gain (loss) on derivative instruments, net	0.8	36.4
Other
Derivative [Line Items]
Gain (loss) on derivative instruments, net	$ 0.0	$ (0.4)