v3.26.1
EMPLOYEE BENEFIT PLANS - Amounts recognized in the consolidated balance sheets (Details)
¥ in Millions, $ in Millions
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract]      
Salary and welfare payables ¥ 10   ¥ 9
Retirement benefit obligation 109 $ 16 111
Liability in the balance sheet ¥ 119   ¥ 120