Restructuring Expenses (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Restructuring Cost and Reserve [Line Items]
Impairment charges	$ 36.0	$ 0.0
Benefit recorded in Net income (loss) attributable to noncontrolling interests	14.8	(0.6)
Investment write-down included in Equity in net earnings of affiliate	(11.1)	$ (14.7)
Russian Finance Joint Venture
Restructuring Cost and Reserve [Line Items]
Investment write-down included in Equity in net earnings of affiliate	4.8
Netherlands and Russia Joint Ventures | Entity under Time-Limited General License
Restructuring Cost and Reserve [Line Items]
Impairment charges	36.0
Benefit recorded in Net income (loss) attributable to noncontrolling interests	$ 12.2