Assets held for sale, liabilities of disposal groups held for sale and business acquisitions - Held for sale (Details) - USD ($) $ in Millions |
Jun. 30, 2025 |
Dec. 31, 2024 |
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| Disposal Groups [Abstract] | ||
| Disposal groups | $ 38,716 | $ 27,126 |
| Unallocated impairment losses | (79) | (31) |
| Non-current assets held for sale | 341 | 139 |
| Assets held for sale | 38,978 | 27,234 |
| Liabilities of disposal groups held for sale | $ 46,165 | $ 29,011 |
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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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