Accumulated Other Comprehensive Income (Loss) - Rollforward (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 13,664.1	$ 12,621.3	$ 13,673.1
Ending balance	12,915.2	13,664.1	12,621.3
Foreign currency translation adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(558.7)	(539.5)	(652.5)
Reclassification of AOCI, current period, before tax	12.1	7.5
Tax benefit (expense)	(25.7)	(17.6)	30.5
Ending balance	(875.2)	(558.7)	(539.5)
Accumulated foreign currency adjustment, excluding net investment hedging, attributable to parent
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
OCI before reclassifications before tax	(356.1)	(85.6)	196.0
Accumulated foreign currency adjustment, net investment hedging, attributable to parent
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
OCI before reclassifications before tax	53.2	76.5	(113.5)
AOCI foreign currency translation adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
OCI before reclassifications before tax	(354.9)	(86.8)	194.4
Gain (loss) on derivative instruments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(131.0)	(173.9)	(87.8)
OCI before reclassifications before tax	209.7	51.1	(113.5)
Reclassification of AOCI, current period, before tax	12.9	7.5	(0.5)
Tax benefit (expense)	(59.4)	(15.7)	27.9
Ending balance	32.2	(131.0)	(173.9)
Pension and postretirement benefit adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(275.1)	(397.7)	(351.0)
Reclassification of AOCI, current period, before tax	(2.1)	7.1	(7.6)
Tax benefit (expense)	19.1	(41.9)	15.4
Ending balance	(335.1)	(275.1)	(397.7)
Foreign currency translation adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
OCI before reclassifications before tax	1.2	(1.2)	(1.6)
Net change in pension and other postretirement benefit assets and liabilities
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
OCI before reclassifications before tax	(78.2)	158.6	(52.9)
Equity method investments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(41.2)	(56.7)	(70.9)
OCI before reclassifications before tax	18.7	20.8	19.4
Tax benefit (expense)	(4.9)	(5.3)	(5.2)
Ending balance	(27.4)	(41.2)	(56.7)
Accumulated other comprehensive income (loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(1,006.0)	(1,167.8)	(1,162.2)
Tax benefit (expense)	(70.9)	(80.5)	68.6
Ending balance	$ (1,205.5)	$ (1,006.0)	$ (1,167.8)