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v3.26.1

Other Payables and Accruals (Details) | Dec. 31, 2025 | Dec. 31, 2024
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Other Payables and Accruals [Abstract] |  |
Incremental borrowing rate on lease liabilities | 2.57% | 2.57%

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- Definition Incremental borrowing rate on lease liabilities. + References No definition available. + Details
Name: | amtd_IncrementalBorrowingRateOnLeaseLiabilities
Namespace Prefix: | amtd_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_AccruedLiabilitiesAndOtherLiabilitiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration