Accumulated Other Comprehensive Loss - Changes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	$ 8,844.0	$ 9,346.4	$ 9,071.2	$ 9,189.5
Other comprehensive income (loss)	(184.9)	(45.6)	(438.5)	(96.1)
Divestiture of foreign subsidiaries		0.0		(1.5)
Balance at end of period	8,815.0	8,722.8	8,815.0	8,722.8
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(291.0)	(35.5)	(41.6)	14.2
Other comprehensive income (loss) before reclassifications			(429.6)	(96.1)
Amounts reclassified from accumulated other comprehensive loss			(2.8)	2.1
Other comprehensive income (loss)	(183.0)	(45.8)	(432.4)	(94.0)
Divestiture of foreign subsidiaries				(1.5)
Balance at end of period	(474.0)	(81.3)	(474.0)	(81.3)
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			(444.5)	(98.3)
Amounts reclassified from accumulated other comprehensive loss			(4.3)	0.0
Other comprehensive income (loss)			(448.8)	(98.3)
Divestiture of foreign subsidiaries				(1.5)
Balance at end of period	(478.7)	(25.2)	(478.7)	(25.2)
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			12.3	0.0
Amounts reclassified from accumulated other comprehensive loss			1.9	0.0
Other comprehensive income (loss)			14.2	0.0
Divestiture of foreign subsidiaries				0.0
Balance at end of period	14.2	0.0	14.2	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	2.2
Amounts reclassified from accumulated other comprehensive loss			(0.4)	2.1
Other comprehensive income (loss)			2.2	4.3
Divestiture of foreign subsidiaries				0.0
Balance at end of period	$ (9.5)	$ (56.1)	$ (9.5)	$ (56.1)