XML 17 R1.htm IDEA: XBRL DOCUMENT v3.26.1
Cover
 12 Months Ended
Dec. 31, 2025
shares
Document Information [Line Items]  
Document Type 20-F
Document Registration Statement false
Document Annual Report true
Document Transition Report false
Document Financial Statement Error Correction [Flag] false
Document Shell Company Report false
Entity Interactive Data Current Yes
Document Accounting Standard U.S. GAAP
ICFR Auditor Attestation Flag true
Amendment Flag false
Document Period End Date Dec. 31, 2025
Document Fiscal Year Focus 2025
Document Fiscal Period Focus FY
Entity Information [Line Items]  
Entity Registrant Name AMTD IDEA GROUP
Entity Central Index Key 0001769731
Entity File Number 001-39006
Entity Incorporation, State or Country Code E9
Current Fiscal Year End Date --12-31
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Shell Company false
Entity Filer Category Accelerated Filer
Entity Emerging Growth Company false
Entity Incorporation, Date of Incorporation Feb. 04, 2019
Entity Contact Personnel [Line Items]  
Entity Address, Address Line One 66 rue Jean-JacquesRousseau
Entity Address, City or Town Paris
Entity Address, Country FR
Entity Address, Postal Zip Code 75001
Entity Listings [Line Items]  
Title of 12(b) Security American depositary shares, each representing six Class A ordinary shares, par value US$0.0001 per share Class A ordinary shares
Trading Symbol AMTD
Security Exchange Name NYSE
Class A Ordinary Shares  
Entity Listings [Line Items]  
Entity Common Stock, Shares Outstanding 272,100,605
Class B Ordinary Shares  
Entity Listings [Line Items]  
Entity Common Stock, Shares Outstanding 302,132,721
Business Contact [Member]  
Entity Contact Personnel [Line Items]  
Contact Personnel Name Feridun Hamdullahpur
Entity Address, Address Line One 66 rue Jean-JacquesRousseau
Entity Address, City or Town Paris
Entity Address, Country FR
Entity Address, Postal Zip Code 75001
Entity Phone Fax Numbers [Line Items]  
City Area Code +33 (0)
Local Phone Number 1 4236 4597