v3.26.1
Accumulated other comprehensive income/(loss) (Details)
¥ in Millions, $ in Millions
12 Months Ended
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2022
CNY (¥)
Composition of accumulated other comprehensive income/(loss)          
Accumulated other comprehensive Income/loss ¥ 312,813 ¥ 295,766 ¥ 293,783 $ 42,010 ¥ 273,533
Accumulated other comprehensive income/(loss)          
Composition of accumulated other comprehensive income/(loss)          
Accumulated other comprehensive Income/loss 1,421 903 (1,175)   ¥ (959)
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]          
Composition of accumulated other comprehensive income/(loss)          
Other comprehensive income 518 1,862      
Accumulated other comprehensive Income/loss ¥ 1,421 ¥ 903 ¥ (2,596)