Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Consolidated Statements of Comprehensive Income
Net income from continuing operations	$ 1,945.5	$ 1,916.8	$ 1,580.1
Add: Income from discontinued operations attributable to Amphenol Corporation, net of income taxes	0.0	0.0	21.4
Net income before allocation to noncontrolling interests	1,945.5	1,916.8	1,601.5
Total other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments	(0.9)	(265.2)	(64.6)
Unrealized gain (loss) on hedging activities	0.0	(0.1)	0.0
Pension and postretirement benefit plan adjustment	1.1	11.8	57.8
Total other comprehensive income (loss), net of tax	0.2	(253.5)	(6.8)
Total comprehensive income	1,945.7	1,663.3	1,594.7
Less: Comprehensive income attributable to noncontrolling interests	(16.3)	(9.5)	(12.3)
Comprehensive income attributable to Amphenol Corporation	$ 1,929.4	$ 1,653.8	$ 1,582.4