Other Intangible Assets, net and Goodwill - Change in the Carrying Amount of Goodwill (Details) $ in Millions	3 Months Ended
Mar. 31, 2022 USD ($)
Goodwill [Line Items]
Goodwill, Beginning Balance	$ 7,904.9
Measurement Period Adjustments	(2.4)
Impact of foreign currency fluctuations and other	(99.1)
Goodwill, Ending Balance	7,803.4
ProQuest
Goodwill [Line Items]
Measurement Period Adjustments	(5.7)
Goodwill, Ending Balance	1,891.5
Science Segment
Goodwill [Line Items]
Goodwill, Beginning Balance	3,326.9
Measurement Period Adjustments	(2.4)
Impact of foreign currency fluctuations and other	0.2
Goodwill, Ending Balance	3,324.7
Intellectual Property Segment
Goodwill [Line Items]
Goodwill, Beginning Balance	4,578.0
Measurement Period Adjustments	0.0
Impact of foreign currency fluctuations and other	(99.3)
Goodwill, Ending Balance	$ 4,478.7

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.

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