Income taxes - Deferred tax balance sheet presentation (Details) - USD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
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| Deferred taxes presented on the balance sheet | ||||
| Deferred tax assets | $ 3,358 | $ 3,202 | $ 3,418 | |
| Deferred tax liabilities | (12,634) | (12,114) | (11,688) | |
| NET DEFERRED TAX LIABILITY | $ (9,276) | $ (8,912) | $ (8,270) | $ (5,972) |
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- Definition The amount of deferred tax liabilities or assets. [Refer: Deferred tax liabilities; Deferred tax assets] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of deferred tax assets net of deferred tax liabilities, when the absolute amount of deferred tax assets is greater than the absolute amount of deferred tax liabilities. [Refer: Deferred tax assets; Deferred tax liabilities] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition The amount of deferred tax liabilities net of deferred tax assets, when the absolute amount of deferred tax liabilities is greater than the absolute amount of deferred tax assets. [Refer: Deferred tax assets; Deferred tax liabilities] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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