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Goodwill and Other Intangible Assets (Goodwill) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($)
Goodwill [Roll Forward]
Balances	$ 14,395.2
Additions	0.0
Other	(3.3)
Currency translation adjustments	13.4
Balances	14,405.3
Application Software
Goodwill [Roll Forward]
Balances	8,802.3
Additions	0.0
Other	(4.0)
Currency translation adjustments	3.5
Balances	8,801.8
Network Software & Systems
Goodwill [Roll Forward]
Balances	4,083.1
Additions	0.0
Other	0.7
Currency translation adjustments	10.4
Balances	4,094.2
Measurement & Analytical Solutions
Goodwill [Roll Forward]
Balances	1,190.8
Additions	0.0
Other	0.0
Currency translation adjustments	(0.7)
Balances	1,190.1
Process Technologies
Goodwill [Roll Forward]
Balances	319.0
Additions	0.0
Other	0.0
Currency translation adjustments	0.2
Balances	$ 319.2

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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Amount of increase (decrease), classified as other, of an asset representing the future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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