Other assets impairments, restructuring and other items - Additional Information (Detail) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2026
USD ($)
|
Sep. 30, 2025
USD ($)
|
Sep. 30, 2026
USD ($)
|
Sep. 30, 2025
USD ($)
|
|
| Restructuring And Impairment [Abstract] | ||||
| Impairments of property, plant and equipment | $ 204 | $ 15 | $ 296 | $ 28 |
| Business combination contingent consideration arrangements change in amount of contingent consideration liability | 2 | 16 | 25 | 46 |
| Restructuring charges | $ 58 | $ 29 | $ 121 | $ 196 |
| Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] | Operating income (loss) | Operating income (loss) | Operating income (loss) | Operating income (loss) |
| Expected positions eliminated, percent | 0.08 | 0.08 | ||
| X | ||||||||||
- Definition Restructuring and impairment. No definition available.
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| X | ||||||||||
- Definition Restructuring and Related Cost, Expected Number of Positions Eliminated, Percent 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/disclosureRef
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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://www.xbrl.org/2009/role/commonPracticeRef
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