Assets held for sale, liabilities of disposal groups held for sale and business acquisitions - Held for sale (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Disposal Groups [Abstract] | ||
| Disposal groups | $ 22,336 | $ 9,713 |
| Unallocated impairment losses | (267) | (93) |
| Non-current assets held for sale | 663 | 1,495 |
| Assets held for sale | 22,732 | 11,115 |
| Liabilities of disposal groups held for sale | $ 30,097 | $ 23,382 |
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- Definition Disposal Groups [Abstract] No definition available.
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- Definition Non Current Assets Or Disposal Groups Classified As Held For Sale, Disposal Groups No definition available.
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- Definition Non Current Assets Or Disposal Groups Classified As Held For Sale, Disposal Groups, Impairment Loss No definition available.
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- Definition Noncurrent Assets Or Disposal Groups Classified As Held For Sale, Noncurrent Assets No definition available.
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- Definition The amount of liabilities included in disposal groups classified as held for sale. [Refer: Liabilities; Disposal groups classified as held for sale [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of non-current assets or disposal groups classified as held for sale. [Refer: Disposal groups classified as held for sale [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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