Goodwill and Other Intangible Assets, Net - Goodwill (Details) $ in Millions	3 Months Ended
Mar. 31, 2024 USD ($)
Goodwill [Roll forward]
Beginning balance	$ 15,834.5
Acquisitions	16.4
Divestitures	0.0
Adjustments to Acquisitions and Other	1.4
Ending balance	15,852.3
Group 1
Goodwill [Roll forward]
Beginning balance	7,312.4
Acquisitions	1.2
Divestitures	0.0
Adjustments to Acquisitions and Other	1.0
Ending balance	7,314.6
Group 2
Goodwill [Roll forward]
Beginning balance	6,445.5
Acquisitions	0.3
Divestitures	0.0
Adjustments to Acquisitions and Other	0.3
Ending balance	6,446.1
Group 3
Goodwill [Roll forward]
Beginning balance	2,076.6
Acquisitions	14.9
Divestitures	0.0
Adjustments to Acquisitions and Other	0.1
Ending balance	$ 2,091.6

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