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Equity-settled share-based transactions - Schedule of number and weighted average exercise prices of RSU (Details) - Restricted share units |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2025 shares $ / shares | Dec. 01, 2025 shares | Nov. 15, 2025 shares | Nov. 01, 2025 shares | Oct. 17, 2025 shares | Oct. 15, 2025 shares | Oct. 01, 2025 shares | Sep. 15, 2025 shares | Sep. 01, 2025 shares | Aug. 01, 2025 shares | Jul. 15, 2025 shares | Jul. 01, 2025 shares | Jun. 30, 2025 shares | Jun. 16, 2025 shares | Jun. 01, 2025 shares | May 23, 2025 shares | Apr. 08, 2025 shares | Mar. 01, 2025 shares | Jan. 30, 2025 shares | Dec. 31, 2024 shares $ / shares | Dec. 01, 2024 shares | Oct. 07, 2024 shares | Sep. 09, 2024 shares | Aug. 22, 2024 shares | Aug. 01, 2024 shares | Jul. 15, 2024 shares | Jul. 02, 2024 shares | Jun. 30, 2024 shares | Jun. 28, 2024 shares | Jun. 03, 2024 shares | Dec. 31, 2023 shares $ / shares | Jun. 30, 2023 shares | Jun. 23, 2023 shares | Feb. 01, 2023 shares | Dec. 31, 2022 shares | Jun. 30, 2022 shares | May 18, 2022 shares | Dec. 31, 2025 shares $ / shares | Dec. 31, 2024 shares $ / shares
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding at the beginning of the year (in US dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.01 | $ 0.01
Outstanding at the end of the year (in shares) | 11,710 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 834,947 |  |  |  |  |  |  |  |  |  |  | 834,947 |  |  |  |  |  |  | 11,710 | 834,947
Granted (in shares) | 5,643 | 339 | 43,697 | 13,935 | 22,980 | 2,237 | 342 | 9,601 | 656 | 625 | 272,332 | 604 | 60,975 | 9,352 | 538 | 57,060 | 2,500 | 40,650 | 18,484 | 15,805 | 6,696 | 30,364 | 20,576 | 26,786 | 13,971 | 20,833 | 38,800 | 75,665 | 24,590 | 176,902 | 7,928 | 2,403,529 | 16,486,108 | 66,666 | 946,330 | 2,446,557 | 144,522 |  |
Exercised (in US dollar per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.01 |
Exercised (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (823,237) | 0
Outstanding at the end of the year (in US dollars per share) | $ / shares | $ 0.01 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.01 |  |  |  |  |  |  |  |  |  |  | $ 0.01 |  |  |  |  |  |  | $ 0.01 | $ 0.01
Outstanding at the beginning of the year (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 834,947 | 834,947
Exercisable (in dollars per share) | $ / shares | $ 0.01 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.01 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.01 | $ 0.01
Exercisable (in shares) | 834,947 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 834,947 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 834,947 | 834,947
PRE Prenetics 2022 Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding at the beginning of the year (in US dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.06 | $ 0.06
Outstanding at the end of the year (in shares) | 1,951,457 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9,906,708 |  |  |  |  |  |  |  |  |  |  | 11,081,359 |  |  |  |  |  |  | 1,951,457 | 9,906,708
Granted (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0.91
Granted (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 569,246 | 444,292
Cancelled (in US dollar per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.45 | $ 0.64
Cancelled (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (428,265) | (649,689)
Exercised (in US dollar per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0.24
Exercised (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (8,096,232) | (969,254)
Outstanding at the end of the year (in US dollars per share) | $ / shares | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.06 |  |  |  |  |  |  |  |  |  |  | $ 0.06 |  |  |  |  |  |  | $ 0 | $ 0.06
Outstanding at the beginning of the year (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9,906,708 | 11,081,359
Exercisable (in dollars per share) | $ / shares | $ 0.051 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.065 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.051 | $ 0.065
Exercisable (in shares) | 298,609 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,920,731 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 298,609 | 3,920,731

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