Other assets impairments, restructuring and other items - Components of costs associated with restructuring plan including costs related to exit and disposal activities (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 Cost and Reserve [Line Items] | ||||
| Restructuring charges | $ 38 | $ 154 | $ 63 | $ 168 |
| Employee termination [Member] | ||||
| Restructuring Cost and Reserve [Line Items] | ||||
| Restructuring charges | 37 | 151 | 59 | 163 |
| Other [Member] | ||||
| Restructuring Cost and Reserve [Line Items] | ||||
| Restructuring charges | $ 1 | $ 3 | $ 4 | $ 5 |
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- 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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- 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/disclosureRef
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