Interests in associates and joint ventures - Principal associates of HSBC (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Bank of Communications Co., Limited | ||
| Disclosure of associates [line items] | ||
| Carrying amount | $ 24,141 | $ 22,456 |
| Fair value | 12,149 | 11,713 |
| Saudi Awwal Bank | ||
| Disclosure of associates [line items] | ||
| Carrying amount | 5,608 | 5,511 |
| Fair value | $ 5,486 | $ 5,499 |
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. No definition available.
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- Definition The fair value of investments in associates if there are quoted market prices for the investment. [Refer: Total for all associates [member]; Investments in associates reported in separate financial statements] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of investments in associates in an entity's separate financial statements. [Refer: Total for all associates [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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