Accumulated Other Comprehensive Income (Loss) - Changes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	$ 9,063.3	$ 9,025.7	$ 9,071.2	$ 9,189.5
Other comprehensive income (loss)	(224.3)	49.2	(253.6)	(50.5)
Divestiture of foreign subsidiaries		(1.5)		(1.5)
Balance at end of period	8,844.0	9,346.4	8,844.0	9,346.4
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(71.5)	(84.4)	(41.6)	14.2
Other comprehensive income (loss) before reclassifications			(248.9)	(50.1)
Amounts reclassified from accumulated other comprehensive income (loss)			(0.5)	1.9
Other comprehensive income (loss)	(219.5)	50.4	(249.4)	(48.2)
Divestiture of foreign subsidiaries		(1.5)		(1.5)
Balance at end of period	(291.0)	(35.5)	(291.0)	(35.5)
Foreign Currency Translation Adjustments, Net
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period			(29.9)	74.6
Other comprehensive income (loss) before reclassifications			(240.8)	(50.7)
Amounts reclassified from accumulated other comprehensive income (loss)			(0.1)	0.0
Other comprehensive income (loss)			(240.9)	(50.7)
Divestiture of foreign subsidiaries				(1.5)
Balance at end of period	(270.8)	22.4	(270.8)	22.4
Cash Flow Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period			0.0	0.0
Other comprehensive income (loss) before reclassifications			(5.5)	0.0
Amounts reclassified from accumulated other comprehensive income (loss)			0.1	0.0
Other comprehensive income (loss)			(5.4)	0.0
Divestiture of foreign subsidiaries				0.0
Balance at end of period	(5.4)	0.0	(5.4)	0.0
Pension and Other Postretirement Benefit Plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period			(11.7)	(60.4)
Other comprehensive income (loss) before reclassifications			(2.6)	0.6
Amounts reclassified from accumulated other comprehensive income (loss)			(0.5)	1.9
Other comprehensive income (loss)			(3.1)	2.5
Divestiture of foreign subsidiaries				0.0
Balance at end of period	$ (14.8)	$ (57.9)	$ (14.8)	$ (57.9)