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Segment Reporting (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenue and Long-Lived Assets and Goodwill by Geographic Region
REVENUE	$ 3,609.9	$ 3,567.2	$ 7,053.2	$ 6,977.5
Americas
Revenue and Long-Lived Assets and Goodwill by Geographic Region
REVENUE	2,063.4	2,049.4	4,064.2	3,956.1
Long-lived assets and goodwill	7,521.9	7,850.0	7,521.9	7,850.0
EMEA
Revenue and Long-Lived Assets and Goodwill by Geographic Region
REVENUE	1,108.2	1,089.8	2,145.0	2,163.7
Long-lived assets and goodwill	3,431.1	3,282.6	3,431.1	3,282.6
Asia-Pacific
Revenue and Long-Lived Assets and Goodwill by Geographic Region
REVENUE	438.3	428.0	844.0	857.7
Long-lived assets and goodwill	$ 706.5	$ 661.8	$ 706.5	$ 661.8

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