v3.22.1
Fair Value Disclosure and Measurement on Recurring Basis (Detail)
¥ in Millions, $ in Millions
Dec. 31, 2021
CNY (¥)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
CNY (¥)
Fair value disclosure      
Long-term notes payable, current ¥ 10,659 $ 1,673  
Long-term notes payable, non-current 45,073 7,073 ¥ 52,575
Convertible senior notes, current portion     4,967
Convertible senior notes, non-current portion 9,547 1,498 12,078
Fair value measurements on a recurring basis      
Derivative instruments 149 23  
Total assets measured at fair value 26,528 4,162 20,688
Total liabilities measured at fair value 288 45 367
Cash Equivalents      
Fair value disclosure      
Time deposits 16,262 2,552 16,133
Money market funds 3 0 198
Short-term Investments      
Fair value disclosure      
Held-to-maturity debt investments 141,584 22,218 124,132
Fair value measurements on a recurring basis      
Available-for-sale debt investments 2,557 401 2,865
Long-term investments      
Fair value disclosure      
Held-to-maturity debt investments 8,014 1,258 9,754
Fair value measurements on a recurring basis      
Equity investments at fair value with readily determinable fair value 16,375 2,570 12,978
Equity investments without readily determinable fair value using NAV practical expedient 957 150  
Investments accounted for at fair value 4,228 663 2,238
Available-for-sale debt investments 2,262 355 2,607
Accounts Payable and Accrued Liabilities      
Fair value measurements on a recurring basis      
Derivative instruments     40
Amounts Due To Related Parties current      
Fair value measurements on a recurring basis      
Financial liability 288 $ 45 327
Fair Value, Inputs, Level 1      
Fair value measurements on a recurring basis      
Total assets measured at fair value 16,832   12,978
Total liabilities measured at fair value     0
Fair Value, Inputs, Level 1 | Cash Equivalents      
Fair value disclosure      
Money market funds 3   198
Fair Value, Inputs, Level 1 | Long-term investments      
Fair value measurements on a recurring basis      
Equity investments at fair value with readily determinable fair value 16,375   12,978
Investments accounted for at fair value 457    
Fair Value, Inputs, Level 2      
Fair value disclosure      
Long-term notes payable, current 10,659    
Long-term notes payable, non-current 45,073   52,575
Convertible senior notes, current portion     4,967
Convertible senior notes, non-current portion 9,547   12,078
Fair value measurements on a recurring basis      
Total assets measured at fair value 2,706   2,865
Total liabilities measured at fair value 288   367
Fair Value, Inputs, Level 2 | Cash Equivalents      
Fair value disclosure      
Time deposits 16,262   16,133
Fair Value, Inputs, Level 2 | Short-term Investments      
Fair value disclosure      
Held-to-maturity debt investments 141,584   124,132
Fair value measurements on a recurring basis      
Available-for-sale debt investments 2,557   2,865
Fair Value, Inputs, Level 2 | Long-term investments      
Fair value disclosure      
Held-to-maturity debt investments 8,014   9,754
Fair Value, Inputs, Level 2 | Accounts Payable and Accrued Liabilities      
Fair value measurements on a recurring basis      
Derivative instruments     40
Fair Value, Inputs, Level 2 | Amounts Due To Related Parties current      
Fair value measurements on a recurring basis      
Financial liability 288   327
Fair Value, Inputs, Level 3      
Fair value measurements on a recurring basis      
Total assets measured at fair value 6,033   4,845
Fair Value, Inputs, Level 3 | Long-term investments      
Fair value measurements on a recurring basis      
Investments accounted for at fair value 3,771   2,238
Available-for-sale debt investments ¥ 2,262   ¥ 2,607