Goodwill and Other Intangible Assets, Net - Goodwill (Details) $ in Millions	9 Months Ended
Sep. 30, 2023 USD ($)
Goodwill [Roll forward]
Beginning balance	$ 14,451.5
Acquisitions	612.8
Divestitures	(0.6)
Adjustments to Acquisitions	227.0
Ending balance	15,290.7
Group 1
Goodwill [Roll forward]
Beginning balance	6,637.9
Acquisitions	445.5
Divestitures	0.0
Adjustments to Acquisitions	(0.9)
Ending balance	7,082.5
Group 2
Goodwill [Roll forward]
Beginning balance	6,238.3
Acquisitions	167.3
Divestitures	(0.6)
Adjustments to Acquisitions	0.9
Ending balance	6,405.9
Group 3
Goodwill [Roll forward]
Beginning balance	1,575.3
Acquisitions	0.0
Divestitures	0.0
Adjustments to Acquisitions	227.0
Ending balance	$ 1,802.3

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