Revenue Recognition, Disaggregation of Net Sales (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Revenue recognition
Net sales	$ 8,758.1	$ 5,650.3	$ 16,378.2	$ 10,461.3
United States
Revenue recognition
Net sales	3,413.8	1,937.3	6,365.6	3,580.9
China
Revenue recognition
Net sales	1,113.0	882.2	2,050.9	1,676.1
Other foreign locations
Revenue recognition
Net sales	4,231.3	2,830.8	7,961.7	5,204.3
End customers and contract manufacturers
Revenue recognition
Net sales	6,242.0	4,580.5	12,005.3	8,509.4
Distributors and resellers
Revenue recognition
Net sales	2,516.1	1,069.8	4,372.9	1,951.9
Communications Solutions
Revenue recognition
Net sales	5,383.6	2,909.8	9,918.3	5,323.5
Communications Solutions \| United States
Revenue recognition
Net sales	1,980.4	780.5	3,597.6	1,385.3
Communications Solutions \| China
Revenue recognition
Net sales	698.0	515.2	1,285.4	997.0
Communications Solutions \| Other foreign locations
Revenue recognition
Net sales	2,705.2	1,614.1	5,035.3	2,941.2
Communications Solutions \| End customers and contract manufacturers
Revenue recognition
Net sales	3,488.0	2,272.3	6,685.5	4,189.0
Communications Solutions \| Distributors and resellers
Revenue recognition
Net sales	1,895.6	637.5	3,232.8	1,134.5
Harsh Environment Solutions
Revenue recognition
Net sales	1,856.8	1,445.2	3,549.9	2,713.4
Harsh Environment Solutions \| United States
Revenue recognition
Net sales	990.5	772.3	1,912.8	1,458.7
Harsh Environment Solutions \| China
Revenue recognition
Net sales	166.2	134.0	302.2	240.2
Harsh Environment Solutions \| Other foreign locations
Revenue recognition
Net sales	700.1	538.9	1,334.9	1,014.5
Harsh Environment Solutions \| End customers and contract manufacturers
Revenue recognition
Net sales	1,314.1	1,058.2	2,545.5	1,982.8
Harsh Environment Solutions \| Distributors and resellers
Revenue recognition
Net sales	542.7	387.0	1,004.4	730.6
Interconnect and Sensor Systems
Revenue recognition
Net sales	1,517.7	1,295.3	2,910.0	2,424.4
Interconnect and Sensor Systems \| United States
Revenue recognition
Net sales	442.9	384.5	855.2	736.9
Interconnect and Sensor Systems \| China
Revenue recognition
Net sales	248.8	233.0	463.3	438.9
Interconnect and Sensor Systems \| Other foreign locations
Revenue recognition
Net sales	826.0	677.8	1,591.5	1,248.6
Interconnect and Sensor Systems \| End customers and contract manufacturers
Revenue recognition
Net sales	1,439.9	1,250.0	2,774.3	2,337.6
Interconnect and Sensor Systems \| Distributors and resellers
Revenue recognition
Net sales	$ 77.8	$ 45.3	$ 135.7	$ 86.8