v3.22.2.2
Income Taxes (Details)
€ in Millions, $ in Millions
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Jan. 20, 2022
USD ($)
Oct. 05, 2021
USD ($)
Oct. 05, 2021
EUR (€)
Sep. 29, 2021
EUR (€)
Jan. 13, 2021
USD ($)
Dec. 19, 2020
USD ($)
May 07, 2020
USD ($)
Aug. 15, 2017
USD ($)
Jul. 31, 2021
USD ($)
Oct. 01, 2022
USD ($)
Oct. 02, 2021
Oct. 01, 2022
USD ($)
year
Oct. 02, 2021
Dec. 31, 2017
USD ($)
Dec. 31, 2012
USD ($)
Dec. 31, 2011
USD ($)
Dec. 31, 2010
USD ($)
Dec. 31, 2009
USD ($)
Apr. 26, 2019
USD ($)
Income Tax Contingency [Line Items]                                      
Effective income tax rate reconciliation, percent                   (1377.10%) 113.90% 5.30% 165.50%            
Income tax examination, penalties and interest expense               $ 134.1             $ 24.7 $ 40.1 $ 41.8 $ 27.5  
Cumulative deferred charge related to tax litigation                   $ 111.6   $ 111.6              
Royalty conceded on all omeprazole sales as a percent of refund claims (percent)                       5.24%              
IRS Notice of Proposed Audit Adjustment from 2013, 2014 and 2015         $ 141.6                            
IRS Notice of Proposed Audit Adjustment for ANDA from 2013, 2014 and 2015         21.9                            
Income tax examination, estimate of additional tax expense, excluding interest and penalties $ 58.5                                    
Income tax examination, debts subject to limit of deductibility of interest expense         7,500.0                            
Interest rate cap on debts for U.S. Federal tax purposes, as percent of Applicable Federal Rate             130.00%                        
Income tax examination, reduction in blended interest rate due to cap for U.S. Federal tax purposes             4.00%                        
IRS notice of proposed audit adjustment to reduce deductible interest expense for fiscal years 2014 and 2015             $ 414.7                        
Blended interest rate proposed on debts 4.36%                                    
Blended interest rate in revenue agent report 2.57%                                    
Stated blended interest rate 6.80%                                    
Estimated increase to tax expense from audit adjustment, excluding interest and penalties $ 72.9                                    
IRS notice of proposed audit adjustment, increase to gross sales revenue for the 2013, 2014 and 2015 tax years           $ 99.5                          
IRS notice of proposed adjustment amount from 2011,2012 and 2013 audit of Athena, including penalty                                     $ 843.0
IRS notice of proposed adjustment, penalty (percent)                                     40.00%
Tax Year 2021                                      
Income Tax Contingency [Line Items]                                      
Income tax examination, estimate of additional tax expense, excluding interest and penalties                 $ 8.0                    
Internal Revenue Service (IRS)                                      
Income Tax Contingency [Line Items]                                      
Income tax examination, number of taxable years | year                       4              
Revenue Commissioners, Ireland                                      
Income Tax Contingency [Line Items]                                      
Income tax examination, full and final settlement amount | €       € 297.0                              
Income tax examination, taxes paid   $ 307.5 € 266.1                                
Israel Tax Authority                                      
Income Tax Contingency [Line Items]                                      
Income tax examination, number of taxable years | year                       5              
Income tax examination, taxes paid                       $ 19.0              
Income tax examination, offset for tax refunds                       17.2              
Payment to resolve tax liability indemnity                           $ 12.5          
Reduction in liability recorded for uncertain tax positions                   $ 38.3   $ 38.3              
Minimum                                      
Income Tax Contingency [Line Items]                                      
Income tax examination, estimate of additional tax expense, excluding interest and penalties         24.0                            
Maximum                                      
Income Tax Contingency [Line Items]                                      
Income tax examination, estimate of additional tax expense, excluding interest and penalties         $ 112.0