Cover Page - shares	3 Months Ended
	Mar. 29, 2025	May 02, 2025
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 29, 2025
Document Transition Report	false
Entity File Number	001-36353
Entity Registrant Name	Perrigo Company plc
Entity Incorporation, State or Country Code	L2
Entity Address, Address Line One	The Sharp Building,
Entity Address, Address Line Two	Hogan Place,
Entity Address, City or Town	Dublin 2,
Entity Address, Country	IE
Entity Address, Postal Zip Code	D02 TY74
Country Region	353
City Area Code	1
Local Phone Number	7094000
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		137,477,306
Entity Central Index Key	0001585364
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	Q1
Amendment Flag	false
Ordinary shares, €0.001 par value
Document Information [Line Items]
Title of 12(b) Security	Ordinary shares, €0.001 par value
Trading Symbol	PRGO
Security Exchange Name	NYSE
4.900% Notes due 2030
Document Information [Line Items]
Title of 12(b) Security	4.900% Notes due 2030
Trading Symbol	PRGO30
Security Exchange Name	NYSE
6.125% Notes due 2032
Document Information [Line Items]
Title of 12(b) Security	6.125% Notes due 2032
Trading Symbol	PRGO32A
Security Exchange Name	NYSE
5.375% Notes due 2032
Document Information [Line Items]
Title of 12(b) Security	5.375% Notes due 2032
Trading Symbol	PRGO32B
Security Exchange Name	NYSE
5.300% Notes due 2043
Document Information [Line Items]
Title of 12(b) Security	5.300% Notes due 2043
Trading Symbol	PRGO43
Security Exchange Name	NYSE
4.900% Notes due 2044
Document Information [Line Items]
Title of 12(b) Security	4.900% Notes due 2044
Trading Symbol	PRGO44
Security Exchange Name	NYSE