Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 7,545.2	$ 4,730.5	$ 6,025.4
Foreign currency translation adjustments:
Gain (loss) recognized in accumulated other comprehensive income ("AOCI"), including net investment hedges	(216.2)	46.0	127.5
Reclassification of (gain) loss to net income	34.7	17.1	46.8
Foreign currency translation adjustments-net of tax benefit (expense) of $(186.5), $204.8, and $(55.4)	(181.5)	63.1	174.3
Cash flow hedges:
Gain (loss) recognized in AOCI	57.6	(129.1)	17.3
Reclassification of (gain) loss to net income	28.9	5.8	(37.7)
Cash flow hedges-net of tax benefit (expense) of $(24.9), $36.6, and $6.1	86.5	(123.3)	(20.4)
Defined benefit pension plans:
Gain (loss) recognized in AOCI	108.1	(43.5)	(24.5)
Reclassification of (gain) loss to net income	0.0	(0.4)	(2.6)
Defined benefit pension plans-net of tax benefit (expense) of $(36.6), $9.3, and $5.2	108.1	(43.9)	(27.1)
Total other comprehensive income (loss), net of tax	13.1	(104.1)	126.8
Comprehensive income	$ 7,558.3	$ 4,626.4	$ 6,152.2