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Segment Information - Changes in Carrying Amount of Goodwill (Detail) $ in Millions	Dec. 31, 2022 USD ($)
Goodwill [Line Items]
Goodwill, Beginning Balance	$ 2,279.2
Goodwill, Ending Balance	$ 2,304.4

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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