Bank Borrowings (Details) - HKD ($) $ in Millions	6 Months Ended	12 Months Ended
Jun. 30, 2025	Dec. 31, 2024
Bank Borrowings [Line Items]
Guaranteed amounting	$ 131	$ 131

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details