Other assets impairments, restructuring and other items - Schedule of Other Assets Impairments, Restructuring and Other Items (Detail) - USD ($) $ in Millions |
12 Months Ended | ||||
|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Restructuring and Impairment Costs [Line Items] | |||||
| Impairment of long-lived tangible assets | [1] | $ 769 | $ 1,024 | $ 28 | |
| Contingent consideration | 54 | 303 | 548 | ||
| Restructuring | 225 | 74 | 111 | ||
| Other | 1 | (14) | 30 | ||
| Total | $ 1,050 | $ 1,388 | $ 718 | ||
| Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income [Extensible Enumeration] | Impairments Restructuring And Others | Impairments Restructuring And Others | Impairments Restructuring And Others | ||
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| X | ||||||||||
- Definition Impairment and restructuring. No definition available.
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| X | ||||||||||
- Definition Legal settlements loss contingencies impairments other expenses. No definition available.
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| X | ||||||||||
- Definition Restructuring and impairment costs. No definition available.
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| X | ||||||||||
- Definition Amount of increase (decrease) in value of liability in contingent consideration arrangement in business combination, including, but not limited to, difference arising upon settlement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Indicates line item in statement of income or comprehensive income that includes impairment loss for long-lived asset held and used. Includes, but is not limited to, impairment loss for long-lived asset to be disposed of other than by sale. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of impairment loss for long-lived asset held and used. Includes, but is not limited to, impairment loss for long-lived asset to be disposed of other than by sale. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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