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Legal Settlements and Loss Contingencies - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Loss Contingencies [Line Items] |  |  |  |  |
Legal settlements and loss contingencies, expense | $ 6 | $ 13 | $ 110 |  |
Legal settlements, income |  |  |  | $ 12 |
Accrued amount for legal settlements and loss contingencies | $ 1,737 |  | $ 1,737 |  | $ 1,625
Restructuring expense and income | The expense in the second quarter of 2020 was mainly due to an increase in a provision for settlement of certain product liability claims in the United States and other minor provisions, partially offset by proceeds received following a settlement of the FCPA derivative proceedings in Israel. |  | The income in the first six months of 2020 was mainly due to proceeds received following a settlement of the FCPA derivative proceedings in Israel and settlement of an action brought against the sellers of Auden McKenzie (an acquisition made by Actavis Generics), partially offset by an increase in a provision for settlement of certain products liability claims in the United States and other minor provisions. |  |

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- Definition Restructuring expense and income + References No definition available. + Details
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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 litigation expense, including but not limited to legal, forensic, accounting, and investigative fees. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + 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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