v3.26.1
Convertible Senior Notes - Summary of Debt Instruments Interest Cost Recognized (Detail)
¥ in Millions, $ in Millions
12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Debt Instrument [Line Items]        
Contractual interest expense ¥ 2,784 $ 398 ¥ 2,824 ¥ 3,248
Senior Convertible Notes        
Debt Instrument [Line Items]        
Contractual interest expense 462 66 571 644
Amortization of the discount and issuance costs 236 34 278 292
Total ¥ 698 $ 100 ¥ 849 ¥ 936