| Cover Page | Nov. 08, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Nov. 08, 2022 |
| Entity Registrant Name | Perrigo Company plc |
| Entity File Number | 001-36353 |
| 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0001585364 |
| Amendment Flag | false |
| Ordinary Shares, 0.001 Par Value | |
| Cover [Abstract] | |
| Title of 12(b) Security | Ordinary shares, €0.001 par value |
| Trading Symbol | PRGO |
| Security Exchange Name | NYSE |
| Entity Listings [Line Items] | |
| Title of 12(b) Security | Ordinary shares, €0.001 par value |
| Trading Symbol | PRGO |
| Security Exchange Name | NYSE |
| 3.9% senior note due 2024 | |
| Cover [Abstract] | |
| Title of 12(b) Security | 3.900% Notes due 2024 |
| Trading Symbol | PRGO24 |
| Security Exchange Name | NYSE |
| Entity Listings [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 | |
| Cover [Abstract] | |
| Title of 12(b) Security | 4.375% Notes due 2026 |
| Trading Symbol | PRGO26 |
| Security Exchange Name | NYSE |
| Entity Listings [Line Items] | |
| Title of 12(b) Security | 4.375% Notes due 2026 |
| Trading Symbol | PRGO26 |
| Security Exchange Name | NYSE |
| 3.13% senior note due 2030 | |
| Cover [Abstract] | |
| Title of 12(b) Security | 4.440% Notes due 2030 |
| Trading Symbol | PRGO30 |
| Security Exchange Name | NYSE |
| Entity Listings [Line Items] | |
| Title of 12(b) Security | 4.440% Notes due 2030 |
| Trading Symbol | PRGO30 |
| Security Exchange Name | NYSE |
| 5.30% Unsecured Senior Notes du e November 15, 2043 | |
| Cover [Abstract] | |
| Title of 12(b) Security | 5.300% Notes due 2043 |
| Trading Symbol | PRGO43 |
| Security Exchange Name | NYSE |
| Entity Listings [Line Items] | |
| Title of 12(b) Security | 5.300% Notes due 2043 |
| Trading Symbol | PRGO43 |
| Security Exchange Name | NYSE |
| 4.9% Senior Loan due 2024 | |
| Cover [Abstract] | |
| Title of 12(b) Security | 4.900% Notes due 2044 |
| Trading Symbol | PRGO44 |
| Security Exchange Name | NYSE |
| Entity Listings [Line Items] | |
| Title of 12(b) Security | 4.900% Notes due 2044 |
| Trading Symbol | PRGO44 |
| Security Exchange Name | NYSE |
