Income Taxes (Unrecognized Tax Benefits) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at January 1	$ 447.1	$ 602.5	$ 662.4
Reductions for tax positions of prior years	(11.2)	(170.0)	(361.5)
Foreign currency translation	(2.3)	(8.7)
Foreign currency translation			15.5
Additions based on tax positions related to the current year	1.7	14.3	290.6
Lapse of statute of limitations	(0.1)	(3.9)	(2.7)
Additions for tax positions of prior years	0.0	12.9	134.1
Reduction related to the held for sale group	0.0	0.0	(131.8)
Settlements with tax authorities	0.0	0.0	(4.1)
Balance at December 31	$ 435.2	$ 447.1	$ 602.5