Contingencies - Price Fixing Lawsuits (Details)	Jan. 16, 2019 genericPrescriptionPharmaceutical defendant	Oct. 01, 2022 class complaint	Oct. 08, 2021 healthPlan individual manufacturer	Aug. 30, 2021 pharmaceuticalCompany	Dec. 15, 2020 brand manufacturer pharmaceuticalCompany	Dec. 14, 2020 manufacturer	Dec. 11, 2020 manufacturer	Sep. 04, 2020 manufacturer	Aug. 27, 2020 manufacturer	Jul. 14, 2020 manufacturer case brand	Jul. 09, 2020 pharmaceuticalCompany	Jun. 30, 2020 manufacturer	Jun. 10, 2020 manufacturer retailer plaintiffGroup pharmaceuticalProduct	Jun. 09, 2020 manufacturer	May 31, 2020 healthPlan individual manufacturer	Mar. 01, 2020 defendant	Dec. 27, 2019 defendant	Dec. 23, 2019 defendant	Dec. 16, 2019 defendant	Dec. 11, 2019 defendant	Nov. 14, 2019 class	Jul. 18, 2019 individual healthPlan manufacturer	Apr. 30, 2019 manufacturer genericPrescriptionPharmaceutical pharmaceuticalProduct	Dec. 21, 2018 manufacturer	Aug. 03, 2018 manufacturer genericPrescriptionPharmaceutical	Jan. 22, 2018 genericPrescriptionPharmaceutical supermarket manufacturer	Jun. 21, 2017 class individual genericPrescriptionPharmaceutical
Loss Contingencies [Line Items]
Number of classes \| class		3																			3						3
Number of complaints \| complaint		2
Number of generic prescription pharmaceuticals \| genericPrescriptionPharmaceutical																											6
Number of individuals \| individual																											11
States' May 2019 Case Alleging Conspiracy (which does not Name Perrigo a Defendant)
Loss Contingencies [Line Items]
Number of products included in expedited cases \| brand										120
Number of manufacturers										35
Price-Fixing Lawsuit, Supermarket Chains, Amended Complaint
Loss Contingencies [Line Items]
Number of manufacturers																								39
Number of products																								33
Price-fixing Lawsuit, Westchester County, NY
Loss Contingencies [Line Items]
Number of Other pharmaceutical companies \| pharmaceuticalCompany				45
Price-fixing Lawsuit, Pennsylvania State Court
Loss Contingencies [Line Items]
Number of manufacturers			46
Number of health plans \| healthPlan			20
Number of individuals \| individual			24
State Attorney General Complaint
Loss Contingencies [Line Items]
Number of manufacturers													35
Number of generic prescription pharmaceuticals \| pharmaceuticalProduct													80
Number of additional states and territories \| plaintiffGroup													50
Number of former employees \| retailer													2
Canadian Class Action Complaint
Loss Contingencies [Line Items]
Number of manufacturers												29
Overarching Conspiracy Class Actions
Loss Contingencies [Line Items]
Number of manufacturers																							27
Number of generic prescription pharmaceuticals \| genericPrescriptionPharmaceutical																							135
Number of formulations of products manufactured by the company \| genericPrescriptionPharmaceutical																							2
Number of drugs \| pharmaceuticalProduct																							1
Number of cases included in expedited schedule \| case										0
Price-fixing Lawsuit, Health Plans
Loss Contingencies [Line Items]
Number of manufacturers																						53
Number of health plans \| healthPlan															7							87
Number of individuals \| individual															17							17
Number of dozens of manufacturers															3
Price-fixing Lawsuit, Health Insurance Carrier
Loss Contingencies [Line Items]
Number of manufacturers														25
Number of generic prescription pharmaceuticals \| genericPrescriptionPharmaceutical	30
Number of defendants \| defendant	30
Price-fixing Lawsuit, Drugstore Chain
Loss Contingencies [Line Items]
Number of manufacturers					45		45
Number of drugs \| brand					63
Number of Other pharmaceutical companies \| pharmaceuticalCompany											39
Price-Fixing Lawsuit, Suffolk County of New York
Loss Contingencies [Line Items]
Number of manufacturers									35
Price-Fixing Lawsuit, Drug Wholesaler and Distributor
Loss Contingencies [Line Items]
Number of manufacturers								39
Price-Fixing Lawsuit, Supermarket Chains
Loss Contingencies [Line Items]
Number of manufacturers						45																				35
Number of generic prescription pharmaceuticals \| genericPrescriptionPharmaceutical																										31
Number of supermarket chains \| supermarket																										3
Price-fixing Lawsuit, Several Counties in New York
Loss Contingencies [Line Items]
Number of co-defendants \| defendant																		28
Number of Other pharmaceutical companies \| pharmaceuticalCompany					45
Price-fixing Lawsuit, Managed Care Organization
Loss Contingencies [Line Items]
Number of manufacturers																									27
Number of generic prescription pharmaceuticals \| genericPrescriptionPharmaceutical																									17
Price-fixing Lawsuit, Healthcare Service Company
Loss Contingencies [Line Items]
Number of co-defendants \| defendant																				38
Price-fixing Lawsuit, Medicare Advantage Claims Recovery Company
Loss Contingencies [Line Items]
Number of co-defendants \| defendant																			39
Price-fixing Lawsuit, Healthcare Management Organization
Loss Contingencies [Line Items]
Number of co-defendants \| defendant																	25
Price-fixing Lawsuit, Harris County of Texas
Loss Contingencies [Line Items]
Number of co-defendants \| defendant																29