Contingencies - Securities Litigation (Details) $ in Millions, ₪ in Billions				1 Months Ended	3 Months Ended		9 Months Ended
	Apr. 05, 2024 USD ($)	Jun. 28, 2017 USD ($) individual claim $ / ₪	Jun. 28, 2017 ILS (₪) individual claim $ / ₪	Jun. 30, 2020 plaintiff	Sep. 28, 2024 USD ($) claim	Mar. 30, 2024 USD ($)	Sep. 28, 2024 USD ($)	Nov. 14, 2019 class	Jun. 21, 2017 individual product
Loss Contingencies [Line Items]
Number of current or former directors and officers | individual									11
Securities Litigation in the United States
Loss Contingencies [Line Items]
Number of generic prescription pharmaceuticals | product									6
Number of classes | class								3
Settlement amount sought	$ 97.0
Loss contingency, loss in period					$ 20.0	$ 34.0	$ 40.0
Amount funded to escrow account							$ 97.0
Claims settled | claim					8
Number of plaintiffs | plaintiff				3
Israel Elec. Corp. Employees' Educ. Fund v. Perrigo Company plc, et al.
Loss Contingencies [Line Items]
Number of current or former directors and officers | individual		11	11
Settlement amount sought		$ 760.0	₪ 2.7
Foreign currency exchange rate, remeasurement | $ / ₪		0.28	0.28
Number of cases dismissed | claim		2	2