Income taxes - Reconciliation of the U.S. federal statutory rate to effective rate, prior to adoption of ASU 2023-09 (Details) - USD ($) $ in Millions |
12 Months Ended | ||
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Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Income Tax Disclosure [Abstract] | |||
| Taxes at U.S. statutory rate | $ 2,424 | $ 2,809 | $ 2,740 |
| Taxes at U. S. statutory rate (as a percent) | 21.00% | 21.00% | 21.00% |
| (Decreases) increases resulting from: | |||
| Other Non-U.S. jurisdictions | $ 186 | $ 129 | |
| U.S. tax incentives | (245) | (170) | |
| Tax law change related to currency translation | (224) | 0 | |
| Other—net | 103 | 82 | |
| Total provision (benefit) for income taxes | $ 2,768 | $ 2,629 | $ 2,781 |
| Other Non-U.S. jurisdictions | 1.40% | 1.00% | |
| U.S. tax incentives (as a percent) | (1.80%) | (1.30%) | |
| Tax law change related to currency translation (as a percent) | (1.70%) | 0.00% | |
| Other--net (as a percent) | 0.80% | 0.60% | |
| Provision (benefit) for income taxes (as a percent) | 24.00% | 19.70% | 21.30% |
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- Definition Effective Income Tax Rate Reconciliation, Tax Law Change, Currency Translation, Amount No definition available.
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- Definition Effective Income Tax Rate Reconciliation, Tax Law Change, Currency Translation, Percent No definition available.
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- Definition The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate that can be explained by research tax credits or other incentives generated or utilized under enacted tax laws during the period. No definition available.
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- Definition The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to research tax credits or other incentives generated or utilized under enacted tax laws during the period. No definition available.
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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