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Business Combinations - Additional Information (Detail)
¥ in Millions, $ in Millions
12 Months Ended
Dec. 31, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2020
CNY (¥)
Dec. 31, 2022
USD ($)
Business Acquisition [Line Items]          
Re-measurement gain relating to pre-existing equity interest       ¥ 123  
Purchase consideration     ¥ 326 3,500  
Goodwill ¥ 22,477   22,605 22,248 $ 3,259
Business Combinations 2022 | JOYY [Member]          
Business Acquisition [Line Items]          
Purchase consideration ¥ 12,800 $ 1,900      
Other non-current assets | $         100
Restricted cash | $         $ 1,600
Business Combinations          
Business Acquisition [Line Items]          
Goodwill     ¥ 357 ¥ 4,000