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Identifiable Intangible Assets - Additional Information (Detail) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 USD ($) | Mar. 31, 2024 USD ($) | Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items] |  |  |
Amortization of intangible assets useful life |  |  | 8 years
Amortization of intangible assets | $ 145 | $ 152 |
Impairment of intangible assets excluding goodwill | $ 121 | 80 |
Minimum [Member] | Measurement input, discount rate [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Business combination, contingent consideration, liability, measurement input | 8.5 |  |
Maximum [Member] | Measurement input, discount rate [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Business combination, contingent consideration, liability, measurement input | 11 |  |
Generic Pipeline Products [Member] | In Process Research And Development To Product Rights [Member] | Development Progress And Changes In Other Key Valuation Assumptions [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Impairment of intangible assets excluding goodwill | $ 9 | 23 |
In process research and development [Member] | Minimum [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Business combination, contingent consideration, liability, measurement input | 8.25 |  |
In process research and development [Member] | Maximum [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Business combination, contingent consideration, liability, measurement input | 9.25 |  |
In process research and development [Member] | Maximum [Member] | Measurement input, discount rate [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Business combination, contingent consideration, liability, measurement input | 90 |  |
Identifiable product rights [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Impairment of intangible assets excluding goodwill | $ 112 | $ 57 |
Identifiable product rights [Member] | Updated Market Assumptions [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Impairment of intangible assets excluding goodwill | 40 |  |
Identifiable product rights [Member] | Change In Tevas Commercial Plans Regarding Certain Program [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Impairment of intangible assets excluding goodwill | $ 72 |  |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482686/350-30-45-2 + Details
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- Definition Value of input used to measure contingent consideration liability from business combination. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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