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Significant Accounting Policies - Additional Information (Details)
 12 Months Ended
Dec. 31, 2021
CNY (¥)
Contract
Dec. 31, 2020
CNY (¥)
Disclosure Of Significant Accounting Policies [Line Items]    
Number of contracts | Contract 2  
Royalties exceeding minimum guaranteed amount ¥ 0  
Budgets and forecast calculations period 5 years  
Impairment loss   ¥ 0
Awards recognised expense ¥ 0  
Adjustments to IFRS 16    
Disclosure Of Significant Accounting Policies [Line Items]    
Title of new IFRS IFRS 16  
Software    
Disclosure Of Significant Accounting Policies [Line Items]    
Estimated useful economic life of intangible assets 3 years  
Top of Range    
Disclosure Of Significant Accounting Policies [Line Items]    
Goods and service payment period 1 year  
Licensing with fixed payment period 365 days  
Licensing with minimum guarantee period 365 days  
Amortisation period of asset 1 year  
Short-term leases of warehouses 12 months  
Short term liquid deposits maturity period 3 months  
Top of Range | Copyrights    
Disclosure Of Significant Accounting Policies [Line Items]    
Estimated useful economic life of intangible assets 49 years  
Top of Range | Music Content Database Services    
Disclosure Of Significant Accounting Policies [Line Items]    
Subscription service payment period 365 days  
Top of Range | Third Party Database Service    
Disclosure Of Significant Accounting Policies [Line Items]    
Subscription service payment period 365 days  
Top of Range | Sale of Smart Music Devices    
Disclosure Of Significant Accounting Policies [Line Items]    
Goods and service payment period 1 year  
Subscription service payment period 1 year  
Bottom of Range    
Disclosure Of Significant Accounting Policies [Line Items]    
Licensing with fixed payment period 90 days  
Licensing with minimum guarantee period 7 days  
Bottom of Range | Copyrights    
Disclosure Of Significant Accounting Policies [Line Items]    
Estimated useful economic life of intangible assets 15 years  
Bottom of Range | Music Content Database Services    
Disclosure Of Significant Accounting Policies [Line Items]    
Subscription service payment period 7 days  
Bottom of Range | Third Party Database Service    
Disclosure Of Significant Accounting Policies [Line Items]    
Subscription service payment period 7 days