Income Taxes (Details) € in Millions, $ in Millions										3 Months Ended		12 Months Ended
	Jan. 20, 2022 USD ($)	Oct. 05, 2021 USD ($)	Oct. 05, 2021 EUR (€)	Sep. 29, 2021 EUR (€)	Feb. 26, 2021 USD ($)	Jan. 13, 2021 USD ($)	Dec. 19, 2020 USD ($)	May 07, 2020 USD ($)	Aug. 15, 2017 USD ($)	Apr. 02, 2022 USD ($) year	Apr. 03, 2021	Dec. 31, 2021 USD ($)	Dec. 31, 2017 USD ($)	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										90.20%	84.00%
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
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 Years 2013 - 2015
Income Tax Contingency [Line Items]
Income tax examination, estimate of additional tax expense, excluding interest and penalties					$ 18.0
Tax Year 2020
Income Tax Contingency [Line Items]
Income tax examination, estimate of additional tax expense, excluding interest and penalties												$ 7.0
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
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