v3.26.1
Investments Accounted for Using Equity Method - Summary of Investments Accounted for Using Equity Method (Detail) - CNY (¥)
¥ in Millions
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Dec. 31, 2024
Investments accounted for using equity method [abstract]        
Investments in associates ¥ 2,608 ¥ 1,572    
Investments in joint ventures 83 87    
Investments accounted for using equity method ¥ 2,691 ¥ 1,659 ¥ 1,859 ¥ 4,669