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Acquisitions of Subsidiaries - Summary of consideration transferred (Detail)
$ in Millions
Dec. 31, 2022
USD ($)
Dec. 31, 2022
HKD ($)
Apr. 30, 2022
HKD ($)
Feb. 28, 2022
HKD ($)
AMTD Digital [Member]        
Disclosure of detailed information about business combination [line items]        
Fair value of previously held equity interest       $ 1,271,643,878
Ordinary shares of the Company       7,756,228,581
Cash transferred $ 993     $ 9,027,872,459
L'Officiel [member]        
Disclosure of detailed information about business combination [line items]        
Cash transferred   $ 492,824,872 $ 492,824,872