v3.22.2.2
Contingencies - Securities Litigation (Details)
$ in Millions, ₪ in Billions
9 Months Ended 12 Months Ended
Jun. 28, 2017
ILS (₪)
individual
genericPrescriptionPharmaceutical
case
$ / ₪
Jun. 28, 2017
USD ($)
individual
genericPrescriptionPharmaceutical
case
$ / ₪
Oct. 01, 2022
case
individual
class
lawsuit
genericPrescriptionPharmaceutical
defendant
Dec. 31, 2019
case
Dec. 31, 2018
case
brand
Dec. 31, 2017
case
Nov. 14, 2019
class
Jul. 31, 2018
individual
Jun. 30, 2017
case
Jun. 21, 2017
class
individual
genericPrescriptionPharmaceutical
Loss Contingencies [Line Items]                    
Number of classes | class     3       3     3
Number of current or former directors and officers | individual                   11
Number of individuals | individual                   11
Number of generic prescription pharmaceuticals | genericPrescriptionPharmaceutical                   6
Highfields Capital I LP, et al. v. Perrigo Company plc, et al.                    
Loss Contingencies [Line Items]                    
Number of cases alleging only state law claims | lawsuit     1              
Mason Capital, Pentwater and Similar Cases                    
Loss Contingencies [Line Items]                    
Number of current or former directors and officers     11              
Number of generic prescription pharmaceuticals | genericPrescriptionPharmaceutical     6              
Number of cases with similar factual allegations     8              
Harel Insurance and TIAA-CREFF Cases                    
Loss Contingencies [Line Items]                    
Number of current or former directors and officers | individual     13              
Number of individuals | individual               11    
Number of generic prescription pharmaceuticals | genericPrescriptionPharmaceutical     6              
Number of cases with similar factual allegations     2              
Number of defendants added | defendant     2              
Number of defendants dismissed without prejudice | individual               8    
Other Cases Related to Events in 2015-2017                    
Loss Contingencies [Line Items]                    
Number of cases with similar factual allegations                 1  
Number of overlapped cases                 4  
Blackrock Global Complaint                    
Loss Contingencies [Line Items]                    
Number of generic prescription pharmaceuticals | genericPrescriptionPharmaceutical     6              
First Manhattan and Similar Cases                    
Loss Contingencies [Line Items]                    
Number of generic prescription pharmaceuticals     6              
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                
Number of generic prescription pharmaceuticals | genericPrescriptionPharmaceutical 6 6                
Number of cases dismissed 2 2                
Preliminary class damages ₪ 2.7 $ 760.0                
Foreign currency exchange rate, remeasurement | $ / ₪ 0.28 0.28                
Carmignac, First Manhattan and Similar Cases                    
Loss Contingencies [Line Items]                    
Number of cases alleging only state law claims | lawsuit     7              
In Israel (Cases Related to Events in 2015-2017)                    
Loss Contingencies [Line Items]                    
Number of cases         3          
Number of cases dismissed         1 1        
Number of cases stayed | brand         1          
In Israel (Cases Related to Irish Tax Events)                    
Loss Contingencies [Line Items]                    
Number of cases stayed       2