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Produced Content, Net - Additional Information (Detail)
¥ in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2023
CNY (¥)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
CNY (¥)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2023
USD ($)
Disclosure Of Produced Content Net [Line Items]          
Accrued participation cost liabilities ¥ 286       $ 40
Film, Monetized in Film Group, Amortization Expense, Statement of Income or Comprehensive Income [Extensible Enumeration] Cost of Goods and Services Sold Cost of Goods and Services Sold Cost of Goods and Services Sold Cost of Goods and Services Sold  
Film, Monetized on Its Own, Amortization Expense, Statement of Income or Comprehensive Income [Extensible Enumeration] Cost of Goods and Services Sold Cost of Goods and Services Sold Cost of Goods and Services Sold Cost of Goods and Services Sold  
Cost of Revenue          
Disclosure Of Produced Content Net [Line Items]          
Amortization expense for produced content predominantly monetized with other content assets ¥ 5,200 $ 733 ¥ 4,600 ¥ 4,600  
Amortization expense for produced content predominantly monetized on its own ¥ 1,100 $ 153 ¥ 735 ¥ 1,300