v3.26.1
Reconciliation of Effective Income Tax Provision of Tax Computed By Applying Statutory Income Tax Rate to Pre-Tax Income (Detail)
¥ in Millions, $ in Millions
12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Effective Income Tax Rate Reconciliation [Line Items]        
Expected taxation at PRC statutory tax rate ¥ 1,679 $ 240 ¥ 7,156 ¥ 6,299
Effect of differing tax rates in different jurisdictions     (153) 410
Non-taxable income (69) (10) (593) (456)
Non-deductible expenses 876 125 814 1,928
Research and development super-deduction (2,727) (390) (3,048) (3,067)
Effect of PRC preferential tax rates and tax holiday 406 58 (1,760) (1,833)
Effect of tax rate changes on deferred taxes 229 33 (334) 111
Reversal of prior year's income taxes     (23) (156)
PRC withholding tax 1,503 215 1,762 574
Change in valuation allowance 810 116 626 (161)
Effect of changes in tax laws or rates enacted in the current year 0 0    
Expected credit losses 228 33    
Share-based compensation expenses 351 50    
Others 297 42    
Changes in unrecognized tax benefits (256) (37)    
Others 65 10    
Effect of cross-border tax laws ¥ 0 $ 0    
Income Tax Reconciliation Foreign Reconciling Items [Abstract]        
Expected taxation at PRC statutory tax rate, percent 25.00% 25.00%    
Effect of tax rate changes on deferred taxes, percent 3.40% 3.40%    
Effect of cross-border tax laws, percent 0.00% 0.00%    
Change in valuation allowance, percent 12.10% 12.10%    
Effect of changes in tax laws or rates enacted in the current year, percent 0.00% 0.00%    
Nontaxable or nondeductible items        
Non-taxable income, percent (1.00%) (1.00%)    
Non-deductible expenses, percent 13.00% 13.00%    
Expected credit losses, percent 3.40% 3.40%    
Share-based compensation expenses, percent 5.20% 5.20%    
Others, percent 4.40% 4.40%    
Changes in unrecognized tax benefits, percent (3.80%) (3.80%)    
Withholding tax on PRC subsidiaries' undistributed earnings, percent 22.40% 22.40%    
Other adjustments        
Effect of tax holidays inside PRC, percent 6.00% 6.00%    
Tax incentives relating to R&D expenditures, percent (40.60%) (40.60%)    
Others, percent 0.80% 0.80%    
Taxation for the year ¥ 1,259 $ 180 ¥ 4,447 ¥ 3,649
Income tax expense, percent 18.70% 18.70% 15.50% 14.50%
CAYMAN ISLANDS        
Effective Income Tax Rate Reconciliation [Line Items]        
Effect of differing tax rates in different jurisdictions ¥ 678 $ 97    
Income Tax Reconciliation Foreign Reconciling Items [Abstract]        
Statutory tax rate difference between PRC and other jurisdictions, percent 10.10% 10.10%    
HONG KONG        
Effective Income Tax Rate Reconciliation [Line Items]        
Effect of differing tax rates in different jurisdictions ¥ (654) $ (94)    
Non-taxable income (1,655) (237)    
Non-deductible expenses 361 52    
Others ¥ 25 $ 4    
Income Tax Reconciliation Foreign Reconciling Items [Abstract]        
Statutory tax rate difference between PRC and other jurisdictions, percent (9.70%) (9.70%)    
Others, percent 0.40% 0.40%    
Nontaxable or nondeductible items        
Non-taxable income, percent (24.60%) (24.60%)    
Non-deductible expenses, percent 5.40% 5.40%    
Foreign Tax Jurisdiction, Other [Member]        
Effective Income Tax Rate Reconciliation [Line Items]        
Others ¥ (12) $ (2)    
Income Tax Reconciliation Foreign Reconciling Items [Abstract]        
Others, percent (0.20%) (0.20%)