v3.22.2.2
Cover Page - shares
 9 Months Ended
Oct. 01, 2022
Nov. 04, 2022
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Oct. 01, 2022  
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   134,639,746
Entity Central Index Key 0001585364  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2022  
Document Fiscal Period Focus Q3  
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  
3.900% senior note due 2024    
Document Information [Line Items]    
Title of 12(b) Security 3.900% Notes due 2024  
Trading Symbol PRGO24  
Security Exchange Name NYSE  
4.375% senior note due March 15, 2026    
Document Information [Line Items]    
Title of 12(b) Security 4.375% Notes due 2026  
Trading Symbol PRGO26  
Security Exchange Name NYSE  
4.400% Senior Notes due June 15, 2030    
Document Information [Line Items]    
Title of 12(b) Security 4.400% Notes due 2030  
Trading Symbol PRGO30  
Security Exchange Name NYSE  
5.300% Unsecured Senior Notes due November 15, 2043    
Document Information [Line Items]    
Title of 12(b) Security 5.300% Notes due 2043  
Trading Symbol PRGO43  
Security Exchange Name NYSE  
4.900% Senior Loan due 2044    
Document Information [Line Items]    
Title of 12(b) Security 4.900% Notes due 2044  
Trading Symbol PRGO44  
Security Exchange Name NYSE