Reportable Business Segments and International Operations, Disaggregation of Net Sales (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenue recognition
Net sales	$ 10,876.3	$ 8,598.9	$ 8,225.4
United States
Revenue recognition
Net sales	3,155.9	2,494.0	2,524.7
China
Revenue recognition
Net sales	3,044.4	2,597.5	2,306.4
Other foreign locations
Revenue recognition
Net sales	4,676.0	3,507.4	3,394.3
End customers and contract manufacturers
Revenue recognition
Net sales	9,038.2	7,244.7	6,985.4
Distributors and resellers
Revenue recognition
Net sales	1,838.1	1,354.2	1,240.0
Interconnect Products and Assemblies
Revenue recognition
Net sales	10,430.9	8,229.9	7,840.3
Interconnect Products and Assemblies | United States
Revenue recognition
Net sales	2,909.1	2,282.6	2,323.5
Interconnect Products and Assemblies | China
Revenue recognition
Net sales	3,032.6	2,590.3	2,300.6
Interconnect Products and Assemblies | Other foreign locations
Revenue recognition
Net sales	4,489.2	3,357.0	3,216.2
Interconnect Products and Assemblies | End customers and contract manufacturers
Revenue recognition
Net sales	8,666.2	6,934.1	6,684.0
Interconnect Products and Assemblies | Distributors and resellers
Revenue recognition
Net sales	1,764.7	1,295.8	1,156.3
Cable Products and Solutions
Revenue recognition
Net sales	445.4	369.0	385.1
Cable Products and Solutions | United States
Revenue recognition
Net sales	246.8	211.4	201.2
Cable Products and Solutions | China
Revenue recognition
Net sales	11.8	7.2	5.8
Cable Products and Solutions | Other foreign locations
Revenue recognition
Net sales	186.8	150.4	178.1
Cable Products and Solutions | End customers and contract manufacturers
Revenue recognition
Net sales	372.0	310.6	301.4
Cable Products and Solutions | Distributors and resellers
Revenue recognition
Net sales	$ 73.4	$ 58.4	$ 83.7