Other assets impairments, restructuring and other items - Additional Information (Detail) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Restructuring and Impairment Costs [Line Items] | ||||
| Impairments of property, plant and equipment | $ 91 | $ 58 | $ 92 | $ 14 |
| Business combination contingent consideration arrangements change in amount of contingent consideration liability | 17 | 19 | 22 | 30 |
| Restructuring costs | $ 38 | $ 154 | $ 63 | $ 168 |
| Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] | Operating Income (Loss) | Operating Income (Loss) | Operating Income (Loss) | Operating Income (Loss) |
| 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 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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| X | ||||||||||
- Definition Indicates line item in statement of income or comprehensive income that includes restructuring charges. Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef
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| X | ||||||||||
- Definition The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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