Segment Reporting - Geographical (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenue and Long-Lived Assets and Goodwill by Geographic Region
Revenue	$ 4,015.6	$ 3,853.8	$ 7,706.0	$ 7,484.3
Americas
Revenue and Long-Lived Assets and Goodwill by Geographic Region
Revenue	2,324.3	2,254.8	4,532.2	4,392.2
Long-lived assets and goodwill	8,148.0	8,038.9	8,148.0	8,038.9
EMEA
Revenue and Long-Lived Assets and Goodwill by Geographic Region
Revenue	1,232.5	1,167.5	2,298.3	2,252.9
Long-lived assets and goodwill	4,054.3	3,773.3	4,054.3	3,773.3
Asia-Pacific
Revenue and Long-Lived Assets and Goodwill by Geographic Region
Revenue	458.8	431.5	875.5	839.2
Long-lived assets and goodwill	$ 723.5	$ 709.7	$ 723.5	$ 709.7