Segment Operations (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($) numberOfPeople	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Segments:
Number of Reportable Segments | numberOfPeople	3
EBITA	$ 1,465.9	$ 1,522.4	$ 674.3
Total (expenses) and other income	(112.3)	(214.1)	(227.1)
Total revenue	10,927.8	10,240.7	9,061.0
Net revenue	9,449.4	9,107.9	8,064.5
Operating Income (Loss)	1,381.2	1,436.2	588.4
Amortization of Intangible Assets	84.7	86.2	85.9
Interest expense	(174.7)	(173.1)	(192.2)
Interest income	63.4	29.7	29.5
Other expense, net	(1.0)	(70.7)	(64.4)
Income before income taxes	1,268.9	1,222.1	361.3
Depreciation and amortization	189.3	197.6	204.7
Capital expenditures	178.1	195.3	167.5
Assets	18,845.0	19,909.2
Corporate and Other
Segments:
EBITA	(94.5)	(129.4)	(81.3)
Amortization of Intangible Assets	0.0	0.0	0.0
Depreciation and amortization	6.6	9.2	5.4
Capital expenditures	29.6	30.0	27.0
Assets	2,147.4	2,733.5
MD&E
Segments:
EBITA	701.8	818.0	385.7
Total revenue	4,196.7	4,061.7	3,520.4
Net revenue	4,111.5	3,973.6	3,451.2
Amortization of Intangible Assets	72.8	71.9	71.7
Depreciation and amortization	106.5	106.8	103.9
Capital expenditures	97.3	99.0	87.0
Assets	9,592.4	9,580.6
IA&C
Segments:
EBITA	624.1	645.2	328.5
Total revenue	4,325.5	4,176.7	3,724.6
Net revenue	3,951.7	3,823.8	3,427.5
Amortization of Intangible Assets	7.2	10.4	10.4
Depreciation and amortization	59.3	63.9	73.4
Capital expenditures	43.9	58.2	44.8
Assets	5,475.3	6,001.1
SC&E
Segments:
EBITA	234.5	188.6	41.4
Total revenue	2,405.6	2,002.3	1,816.0
Net revenue	1,386.2	1,310.5	1,185.8
Amortization of Intangible Assets	4.7	3.9	3.8
Depreciation and amortization	16.9	17.7	22.0
Capital expenditures	7.3	8.1	$ 8.7
Assets	$ 1,629.9	$ 1,594.0