v3.26.1
Related Party Transactions - Summary of Key Management Personnel Compensation (Details) - Key Management Personnel of Entity or Parent - CNY (¥)
¥ in Millions
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Disclosure Of Transactions Between Related Parties [Line Items]    
Short-term employee benefits ¥ 24 ¥ 24
Share-based compensation 39 48
Key management personnel compensation ¥ 63 ¥ 72