Accumulated Other Comprehensive Earnings (Balance Sheets and Statements of Equity) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 22,573.4	$ 25,598.0	$ 13,298.4
Other comprehensive earnings (loss)	1,656.1	(3,376.6)	200.3
Ending balance	19,007.4	22,573.4	25,598.0
Total accumulated other comprehensive earnings
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	514.6	3,891.2	3,690.9
Other comprehensive earnings (loss)	1,656.1	(3,376.6)	200.3
Ending balance	2,170.7	514.6	3,891.2
Accumulated other comprehensive earnings
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	513.4	3,892.2	3,693.1
Other comprehensive earnings (loss)	1,656.9	(3,378.8)	199.1
Ending balance	2,170.3	513.4	3,892.2
Foreign currency translation adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	620.8	3,880.0	3,809.3
Other comprehensive earnings (loss)	1,778.4	(3,259.2)	70.7
Ending balance	2,399.2	620.8	3,880.0
Pension-related adjustments and other
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(107.4)	12.2	(116.2)
Other comprehensive earnings (loss)	(121.5)	(119.6)	128.4
Ending balance	(228.9)	(107.4)	12.2
Noncontrolling interests
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	1.2	(1.0)	(2.2)
Other comprehensive earnings (loss)	(0.8)	2.2	1.2
Ending balance	$ 0.4	$ 1.2	$ (1.0)