Derivative Instruments (Fair Values of Derivative Assets and Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Assets:
Current	$ 244.3	$ 234.6
Long-term	278.1	650.1
Total	522.4	884.7
Liability:
Current	221.8	252.7
Long-term	670.2	1,364.1
Total	892.0	1,616.8
Cross-currency and interest rate derivative contracts
Assets:
Current	214.9	148.8
Long-term	164.3	418.4
Total	379.2	567.2
Liability:
Current	208.8	171.2
Long-term	670.2	1,364.1
Total	879.0	1,535.3
Equity-related derivative instruments
Assets:
Current	0.0	49.3
Long-term	113.8	231.6
Total	113.8	280.9
Foreign currency forward and option contracts
Assets:
Current	28.4	36.5
Long-term	0.0	0.1
Total	28.4	36.6
Liability:
Current	13.0	81.5
Long-term	0.0	0.0
Total	13.0	81.5
Other
Assets:
Current	1.0	0.0
Long-term	0.0	0.0
Total	$ 1.0	$ 0.0