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General - Additional Information (Detail) - SGD ($)
Mar. 23, 2021
Dec. 22, 2020
Jan. 31, 2019
Sep. 19, 2018
TDCXH [Member]        
Disclosure of General Information About Financial Statements [Line Items]        
Percentage of equity interest acquired 100.00%     40.00%
Cash consideration   $ 2    
Founder [Member]        
Disclosure of General Information About Financial Statements [Line Items]        
Percentage of reduction in equity interest through cancellation of of shares in subsidiary     60.00%