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Income Taxes - Additional Information (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2021
CNY (¥)
Dec. 31, 2020
CNY (¥)
Dec. 31, 2019
CNY (¥)
Dec. 31, 2021
USD ($)
Income Taxes [Line Items]        
Dividend withholding tax ¥ 0      
High And New Technology Enterprise        
Income Taxes [Line Items]        
Extended period for tax losses carried forward to offset future taxable income 10 years      
Cayman Islands        
Income Taxes [Line Items]        
Withholding taxes ¥ 0      
Hong Kong        
Income Taxes [Line Items]        
Withholding taxes ¥ 0      
Statutory income tax rate 16.50%      
Singapore        
Income Taxes [Line Items]        
Withholding taxes ¥ 0      
Statutory income tax rate 17.00%      
Preferential income tax rate 10.00%      
Preferential income tax rate exemption period 5 years      
Income tax preferential period commencing date Sep. 15, 2020      
China        
Income Taxes [Line Items]        
Statutory income tax rate 25.00%      
Percentage of withholding tax 10.00%      
Period for tax losses carried forward to offset future taxable income 5 years      
Uncertain tax positions, interest and penalties ¥ 0 ¥ 0 ¥ 0  
China | Other Subsidiaries and Consolidated VIEs and VIE's Subsidiaries        
Income Taxes [Line Items]        
Statutory income tax rate 25.00%      
China | PRC Subsidiaries | Earliest Tax Year        
Income Taxes [Line Items]        
Tax years remain open to examination by respective taxing jurisdictions 2016      
China | PRC Subsidiaries | Latest Tax Year        
Income Taxes [Line Items]        
Tax years remain open to examination by respective taxing jurisdictions 2021      
China | PRC Subsidiaries | Maximum        
Income Taxes [Line Items]        
Time period that tax authorities could conduct examinations of entity's tax filings 5 years      
China | High And New Technology Enterprise        
Income Taxes [Line Items]        
Preferential income tax rate 15.00%      
Preferential income tax rate exemption period 3 years      
China | High And New Technology Enterprise | Beijing QIYI Century, Shanghai Zhong Yuan and Beijing iQIYI        
Income Taxes [Line Items]        
Preferential income tax rate 15.00%      
Income tax holiday expiration year 2022, 2023 or 2024      
China | Software Enterprise        
Income Taxes [Line Items]        
Preferential income tax rate 12.50%      
Preferential income tax rate exemption period 2 years      
Period of reduced preferential income tax rate 3 years      
China | Software Enterprise | Skymoons Interactives        
Income Taxes [Line Items]        
Preferential income tax exemption start year 2017      
China, Hong Kong and Singapore        
Income Taxes [Line Items]        
Tax losses ¥ 11,067,133,000 ¥ 7,638,834,000   $ 1,736,675