Accumulated Other Comprehensive Earnings (Loss) (Table 1) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 6,393.0	$ 14,732.0	$ 10,174.3
Other comprehensive earnings (loss)	(1,024.0)	1,944.8	(1,271.4)
Ending balance	4,148.3	6,393.0	14,732.0
Foreign currency translation adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	1,726.6	(272.6)	979.2
Other comprehensive earnings (loss)	(1,007.3)	1,942.8	(1,251.8)
Impact of the Split-off Transaction		56.4
Ending balance	719.3	1,726.6	(272.6)
Pension- related adjustments and other
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(70.6)	(99.8)	(83.3)
Other comprehensive earnings (loss)	(16.9)	0.3	(16.5)
Impact of the Split-off Transaction		28.9
Ending balance	(87.5)	(70.6)	(99.8)
Accumulated other comprehensive earnings (loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	1,656.0	(372.4)	895.9
Other comprehensive earnings (loss)	(1,024.2)	1,943.1	(1,268.3)
Impact of the Split-off Transaction		85.3
Ending balance	631.8	1,656.0	(372.4)
Noncontrolling interests
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(4.2)	(5.9)	(2.8)
Other comprehensive earnings (loss)	0.2	1.7	(3.1)
Impact of the Split-off Transaction		0.0
Ending balance	(4.0)	(4.2)	(5.9)
Total accumulated other comprehensive earnings (loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	1,651.8	(378.3)	893.1
Other comprehensive earnings (loss)	(1,024.0)	1,944.8	(1,271.4)
Impact of the Split-off Transaction		85.3
Ending balance	$ 627.8	$ 1,651.8	$ (378.3)