XML 109 R93.htm IDEA: XBRL DOCUMENT v3.20.1
Commitment and Contingencies - Additional Information (Detail)
¥ in Millions, $ in Millions
12 Months Ended
Dec. 31, 2019
CNY (¥)
Dec. 31, 2019
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
CNY (¥)
Network Infrastructure and Buildings        
Commitments and Contingencies Disclosure [Line Items]        
Capital commitments contracted not yet reflected in financial statements ¥ 560   $ 81  
Obligations related to the entity's directors and officers        
Commitments and Contingencies Disclosure [Line Items]        
Investment commitments 1,300 $ 183    
Fair value of indemnification obligations related to the entity's directors and officers ¥ 0     ¥ 0