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Commitments and Contingencies - Additional Information (Detail) € in Millions |  |  |  |  |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 48 Months Ended |  |  |  |  |  |  |  |  |
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Jul. 12, 2022 USD ($) | Jun. 02, 2022 USD ($) | May 24, 2022 USD ($) | Mar. 30, 2022 USD ($) | Mar. 21, 2022 USD ($) | Feb. 04, 2022 USD ($) | Sep. 28, 2021 USD ($) | Aug. 05, 2021 USD ($) | Jul. 21, 2021 USD ($) | Oct. 21, 2019 USD ($) | Jul. 31, 2022 USD ($) | May 31, 2019 USD ($) | Sep. 30, 2013 USD ($) | Apr. 30, 2013 USD ($) | Aug. 31, 2012 USD ($) | Dec. 31, 2010 USD ($) | Sep. 30, 2022 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2022 USD ($) | Sep. 30, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2014 USD ($) | Aug. 21, 2021 USD ($) | Sep. 30, 2022 EUR (€) | Jul. 01, 2022 USD ($) | Dec. 31, 2021 USD ($) | Jul. 08, 2021 USD ($) | Feb. 01, 2021 USD ($) | Sep. 01, 2020 USD ($) | Aug. 31, 2019 USD ($) | Jul. 31, 2008 USD ($) | Feb. 28, 2005 USD ($)
Commitment And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Damages assessment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 235,500,000 |  | $ 235,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual sales at the time of settlement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 700,000,000 | $ 350,000,000 |  |
Annual sales of Effexor |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,600,000,000 |  |  |  |  |  |  |  |  |
Annual sales of Lamictal |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,300,000,000 | $ 950,000,000
Annual sales of Niaspan |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,100,000,000 | $ 416,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual sales of Actos |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,800,000,000 | $ 3,700,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual sales of Acto plus |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 430,000,000 | $ 500,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual Sales Of Sensipar |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,400,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Annual sales of Copaxone |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 373,000,000 |  |  |  |  |  |  |  |  |  |
Generic modafinil, and imposed fines amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,077,000,000 |  | 4,077,000,000 |  |  |  |  |  |  | € 60.5 |  | $ 2,710,000,000 |  |  |  |  |  |
Loss Contingency Accrual, Provision |  |  |  |  |  |  |  | $ 235,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Claims Dismissed Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000,000 |  | 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation Settlement, Expense |  | $ 420,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 195,000,000 | $ 3,000,000 | 2,048,000,000 | $ 113,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrual for Environmental Loss Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 300,000 |  | 300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies On Environmental Laws Penalty |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,400,000 |  |  |  |  |
Percentage of population of subdivisions will formally release as a part of settlement |  |  |  |  |  | 96 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of wholesale acquisition cost value in cash in lieu of product to be paid under settlement agreement |  |  |  |  |  |  |  |  |  |  | 20.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Attorney General Of Louisana [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation Settlement Amount DistributableIn Kind |  |  |  |  |  | $ 75,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Attorney General of Rhode Island [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation Settlement Amount DistributableIn Kind |  |  |  |  | $ 78,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Attorney General of Florida [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation Settlement Amount DistributableIn Kind |  |  |  | $ 84,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Attorney General of West Virginia [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation Settlement Amount DistributableIn Kind |  |  | $ 27,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Opioid Litigation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement amount | $ 20,300,000 |  | $ 75,000,000 | $ 177,000,000 | $ 21,000,000 | $ 150,000,000 |  |  |  | $ 25,000,000 |  | $ 85,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement amount awarded cash amount |  |  |  |  |  |  |  |  |  | $ 20,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement amount awarded cash amount distribution period | 13 years |  | 15 years | 15 years | 13 years | 15 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation Settlement Amount DistributableIn Kind | $ 20,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Nationwide Settlement [Member] | Four Other Defendants Other Than Teva [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency payment |  |  |  |  |  |  |  |  | $ 26,000,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement amount awarded distribution period |  |  |  |  |  |  |  |  | 18 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
States Political Subdivisions and Tribes [Member] | Companies Share [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation amount including already paid |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,250,000,000 |  |  |  |  |  |  |
Litigation settlement term |  |  |  |  |  |  |  |  |  |  | 13 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product offering in settlement at wholesale acquistion costs |  |  |  |  |  |  |  |  |  |  | $ 1,200,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product to be settled valuation term |  |  |  |  |  |  |  |  |  |  | 10 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation amount to be paid to tribes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 100,000,000 |  |  |  |  |  |  |
Wholesale acquisition cost value in cash amount in lieu of product to be paid under settlement agreement |  |  |  |  |  |  |  |  |  |  | $ 240,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Europe [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Damage claimed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Laos [Member] | Opioid Litigation [Member] | Attorney General Of Louisana [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement amount |  |  |  |  |  |  | $ 15,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement amount awarded cash amount distribution period |  |  |  |  |  |  | 18 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation Settlement Amount DistributableIn Kind |  |  |  |  |  |  | $ 3,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Eosinophilic Esophagitis [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Damage claimed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 200,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Eosinophilic Esophagitis [Member] | CANADA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Damage claimed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 150,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
AndroGel Rate at 1% [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual sales at the time of settlement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 140,000,000 |  |
Atripala [Member] | CANADA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual sales at the time of settlement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,900,000,000 |  |  |  |
Annual Sales At The Time Of Launch Of Product |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 444,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Tiruvada [Member] | CANADA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual sales at the time of settlement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,400,000,000 |  |  |  |
Annual Sales At The Time Of Launch Of Product |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,100,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Viread [Member] | CANADA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual sales at the time of settlement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 582,000,000 |  |  |  |
Annual Sales At The Time Of Launch Of Product |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 728,000,000 |  |  |  |  |  |  |  |  |  |  |
Colcys [Member] | CANADA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual sales at the time of settlement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 187,000,000 |  |  |  |

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- Definition Annual Sales Of Copaxone. + References No definition available. + Details
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- Definition Annual sales of Lamictal. + References No definition available. + Details
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- Definition Annual sales of Niaspan. + References No definition available. + Details
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- Definition Commitment And Contingencies [Line Items] + References No definition available. + Details
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