v3.26.1
Investments - Schedule of Short-term Investments at Amortized Cost and Fair Value (Detail) - Short-term Investments
¥ in Millions, $ in Millions
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Amortized cost, Gain (loss) and Fair value on Investments [Line Items]      
Held-to-maturity debt investments, fair value [1] ¥ 59,570 $ 8,518 ¥ 96,912
Available-for-sale debt investments, fair value 27,050 3,868 5,954
Trading debt investments, Cost or amortized cost less allowance for credit losses 4,081 584 15
Corporate Debt Securities      
Amortized cost, Gain (loss) and Fair value on Investments [Line Items]      
Held-to-maturity debt investments, Cost or amortized cost less allowance for credit losses 59,530   96,639
Held-to-maturity debt investments, gross unrecognized holding gains 314   370
Held-to-maturity debt investments, fair value 59,570 8,518 96,912
Available-for-sale debt investments, Cost or amortized cost less allowance for credit losses 26,886   5,912
Held-to-maturity debt investments, Gross unrecognized holding losses (274)   (97)
Available-for-sale debt investments, gross unrealized gains 164   42
Available-for-sale debt investments, fair value 27,050 3,868 5,954
Trading debt investments, Cost or amortized cost less allowance for credit losses 3,299   15
Trading debt investments, Trading gains 782   0
Trading debt investments, Fair value ¥ 4,081 $ 584 ¥ 15
[1] Fair value disclosure shows financial instruments which are not measured at fair value in the consolidated balance sheets, but for which the fair value is estimated for disclosure purposes.