Interests in associates and joint ventures - Share of profit (Details) - USD ($) $ in Millions |
6 Months Ended | 12 Months Ended | |
|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Disclosure of associates [line items] | |||
| Share of profit in associates and joint ventures | $ 1,559 | $ 1,651 | |
| Bank of Communications Co., Limited | |||
| Disclosure of associates [line items] | |||
| Share of profit in associates and joint ventures | 1,187 | 1,260 | |
| Less: Impairment of interest in BoCom | 0 | (1,000) | $ (1,000) |
| Saudi Awwal Bank | |||
| Disclosure of associates [line items] | |||
| Share of profit in associates and joint ventures | 322 | 345 | |
| Other associates and joint ventures | |||
| Disclosure of associates [line items] | |||
| Share of profit in associates and joint ventures | $ 50 | $ 46 | |