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Intangible Assets and Goodwill Goodwill (Tables)

12 Months Ended

Dec. 31, 2021

Goodwill [Line Items]

Goodwill Disclosure [Text Block]

Goodwill activity consisted of the following for the years ended December 31, 2021 and 2020:

(in millions)						Balance at December 31, 2020												Deconsolidation(1)						Other Activity (2)						Balance at December 31, 2021
CBOT Holdings						$	5,066.4											$	—					$	—					$	5,066.4
NYMEX Holdings						2,462.2												—						—						2,462.2
NEX						3,229.8												(246.2)						(24.6)						2,959.0
Other						40.4												—						—						40.4
Total Goodwill						$	10,798.8											$	(246.2)					$	(24.6)					$	10,528.0
(in millions)						Balance at December 31, 2019												Deconsolidation(1)						Other Activity (2)						Balance at December 31, 2020
CBOT Holdings						$	5,066.4											$	—					$	—					$	5,066.4
NYMEX Holdings						2,462.2												—						—						2,462.2
NEX						3,173.5												—						56.3						3,229.8
Other						40.4												—						—						40.4
Total Goodwill						$	10,742.5											$	—					$	56.3					$	10,798.8

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- Definition

The entire disclosure for goodwill.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-URI http://asc.fasb.org/subtopic&trid=2144439

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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