Goodwill - Additional Information (Detail) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | |||||
|---|---|---|---|---|---|---|---|
Jun. 30, 2025 |
Dec. 31, 2024 |
Sep. 30, 2024 |
Jun. 30, 2024 |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Goodwill [Line Items] | |||||||
| Goodwill impairment | $ 0 | $ 0 | $ 1,280 | $ 700 | |||
| Tevas United States, Europe, International Markets and Medis reporting units [Member] | |||||||
| Goodwill [Line Items] | |||||||
| Reporting unit percentage of fair value in excess of carrying amount | 10.00% | ||||||
| Tevas API Reporting Unit [Member] | |||||||
| Goodwill [Line Items] | |||||||
| Goodwill impairment | $ 280 | $ 600 | $ 400 | ||||
| X | ||||||||||
- Definition Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- 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. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Percentage of fair value of reporting unit in excess of carrying amount. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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