Revenue Recognition, Disaggregation of Net Sales (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Revenue recognition
Net sales	$ 10,229.7	$ 6,194.4	$ 26,607.9	$ 16,655.7
United States
Revenue recognition
Net sales	3,972.6	2,206.8	10,338.3	5,787.6
China
Revenue recognition
Net sales	1,441.1	948.6	3,492.1	2,624.7
Other foreign locations
Revenue recognition
Net sales	4,816.0	3,039.0	12,777.5	8,243.4
End customers and contract manufacturers
Revenue recognition
Net sales	7,405.5	5,071.1	19,410.7	13,580.5
Distributors and resellers
Revenue recognition
Net sales	2,824.2	1,123.3	7,197.2	3,075.2
Communications Solutions
Revenue recognition
Net sales	6,583.0	3,309.5	16,501.3	8,633.0
Communications Solutions \| United States
Revenue recognition
Net sales	2,372.1	939.3	5,969.7	2,324.6
Communications Solutions \| China
Revenue recognition
Net sales	991.3	577.5	2,276.8	1,574.5
Communications Solutions \| Other foreign locations
Revenue recognition
Net sales	3,219.6	1,792.7	8,254.8	4,733.9
Communications Solutions \| End customers and contract manufacturers
Revenue recognition
Net sales	4,457.5	2,653.5	11,143.0	6,842.5
Communications Solutions \| Distributors and resellers
Revenue recognition
Net sales	2,125.5	656.0	5,358.3	1,790.5
Harsh Environment Solutions
Revenue recognition
Net sales	2,042.1	1,515.8	5,592.0	4,229.3
Harsh Environment Solutions \| United States
Revenue recognition
Net sales	1,109.2	828.8	3,022.0	2,287.5
Harsh Environment Solutions \| China
Revenue recognition
Net sales	170.8	126.1	473.0	366.3
Harsh Environment Solutions \| Other foreign locations
Revenue recognition
Net sales	762.1	560.9	2,097.0	1,575.5
Harsh Environment Solutions \| End customers and contract manufacturers
Revenue recognition
Net sales	1,431.5	1,099.5	3,977.0	3,082.4
Harsh Environment Solutions \| Distributors and resellers
Revenue recognition
Net sales	610.6	416.3	1,615.0	1,146.9
Interconnect and Sensor Systems
Revenue recognition
Net sales	1,604.6	1,369.1	4,514.6	3,793.4
Interconnect and Sensor Systems \| United States
Revenue recognition
Net sales	491.3	438.7	1,346.6	1,175.5
Interconnect and Sensor Systems \| China
Revenue recognition
Net sales	279.0	245.0	742.3	683.9
Interconnect and Sensor Systems \| Other foreign locations
Revenue recognition
Net sales	834.3	685.4	2,425.7	1,934.0
Interconnect and Sensor Systems \| End customers and contract manufacturers
Revenue recognition
Net sales	1,516.5	1,318.1	4,290.7	3,655.6
Interconnect and Sensor Systems \| Distributors and resellers
Revenue recognition
Net sales	$ 88.1	$ 51.0	$ 223.9	$ 137.8