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Legal Settlements and Loss Contingencies - Additional Information (Detail) € in Millions, $ in Millions |  | 12 Months Ended |
--- | --- | --- | ---
Jan. 27, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2021 EUR (€)
Loss Contingencies [Line Items] |  |  |  |  |
Legal settlements and loss contingencies, expense | $ 420 | $ 717 | $ 60 |  |
Legal settlements, income |  |  |  | $ 1,178 |
Accrued amount for legal settlements and loss contingencies |  | $ 2,710 | $ 1,625 |  | € 60.5
Settlement On Account Of Product Liability [Member] | United States [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Restructuring expense and income |  | The expenses in 2021 were mainly related to an update of the estimated settlement provision recorded in connection with the remaining opioid cases, the provision for the carvedilol patent litigation as well as a liability which was substantially offset by insurance receivable related to the Ontario Teachers Securities Litigation discussed in note 12. |  |  |

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- Definition Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
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- Definition Amount of loss contingency liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
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