Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

Goodwill and intangible assets were (in millions):

	December 31,
	2021						2020
	Gross Carrying Value		Accumulated Amortization		Net Carrying Value		Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Goodwill	$	10,259.6	$	(521.0)	$	9,738.6	$	10,141.6	$	(531.9)	$	9,609.7
Intangible assets:
Purchased and internally developed software	$	382.2	$	(318.7)	$	63.5	$	377.6	$	(307.0)	$	70.6
Customer related and other	772.3		(537.8)		234.5		738.1		(510.2)		227.9
	$	1,154.5	$	(856.5)	$	298.0	$	1,115.7	$	(817.2)	$	298.5

Changes in Goodwill

Changes in goodwill were (in millions):

	Year Ended December 31,
	2021		2020
January 1	$	9,609.7	$	9,440.5
Acquisitions	113.4		50.8
Noncontrolling interests in acquired businesses	84.5		31.6
Contingent purchase price obligations of acquired businesses	88.0		—
Dispositions	(22.5)		(18.8)
Foreign currency translation	(134.5)		105.6
December 31	$	9,738.6	$	9,609.7