Reportable Business Segments, Reconciliation of Segment Operating Income to Consolidated Income Before Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting Information
Stock-based compensation expense	$ (31.3)	$ (26.6)	$ (57.9)	$ (50.4)
Acquisition-related expenses	(12.0)	(70.0)	(56.0)	(70.0)
Operating income	1,418.8	698.8	2,443.6	1,383.7
Interest expense	(80.9)	(56.3)	(157.4)	(94.4)
Other income (expense), net	10.2	21.3	24.7	37.3
Income before income taxes	1,348.1	663.8	2,310.9	1,326.6
Operating Segment
Segment Reporting Information
Operating income	1,506.7	813.5	2,683.2	1,539.6
Interest expense	(80.9)	(56.3)	(157.4)	(94.4)
Other income (expense), net	10.2	21.3	24.7	37.3
Operating Segment | Harsh Environment Solutions
Segment Reporting Information
Operating income	363.7	259.6	674.9	504.1
Operating Segment | Communications Solutions
Segment Reporting Information
Operating income	890.7	350.6	1,551.5	636.8
Operating Segment | Interconnect and Sensor Systems
Segment Reporting Information
Operating income	252.3	203.3	456.8	398.7
Corporate
Segment Reporting Information
Stock-based compensation expense	(31.3)	(26.6)	(57.9)	(50.4)
Amortization of acquisition-related inventory step-up costs recorded in Cost of sales	(16.9)	0.0	(77.8)	0.0
Acquisition-related expenses	(12.0)	(70.0)	(56.0)	(70.0)
Other operating expenses	$ (27.7)	$ (18.1)	$ (47.9)	$ (35.5)