Share Capital - Additional Information (Detail) $ in Millions |
12 Months Ended | 24 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
|
Mar. 17, 2025
USD ($)
|
Dec. 31, 2025
CNY (¥)
shares
|
Dec. 31, 2025
USD ($)
shares
|
Dec. 31, 2024
CNY (¥)
shares
|
Dec. 31, 2024
USD ($)
shares
|
Dec. 31, 2023
CNY (¥)
shares
|
Dec. 31, 2023
USD ($)
shares
|
Mar. 01, 2025
USD ($)
|
|
| Disclosure Of Classes Of Share Capital [Line Items] | ||||||||
| Share schemes trust withheld amount | ¥ 281,000,000 | ¥ 218,000,000 | ¥ 100,000,000 | |||||
| Payments for repurchase of shares | 390,000,000 | 1,925,000,000 | 1,249,000,000 | |||||
| Repurchase of shares | 462,000,000 | 1,853,000,000 | 1,249,000,000 | |||||
| Share Repurchase Scheme [Member] | ||||||||
| Disclosure Of Classes Of Share Capital [Line Items] | ||||||||
| Payments for repurchase of shares | 462,000,000 | $ 64 | 1,853,000,000 | $ 261 | 1,249,000,000 | $ 175 | ||
| American Depositary Shares [Member] | ||||||||
| Disclosure Of Classes Of Share Capital [Line Items] | ||||||||
| Repurchase of shares | ¥ 5,943,751 | ¥ 25,497,797 | ¥ 25,272,973 | |||||
| Period Of shares repurchased | 24 months | |||||||
| Class A Ordinary Shares | ||||||||
| Disclosure Of Classes Of Share Capital [Line Items] | ||||||||
| Maximum repurchase amount | $ | $ 1,000 | $ 500 | ||||||
| Number of treasury shares to the grantees for the exercise of share options | shares | 10,070,368 | 10,070,368 | 25,873,230 | 25,873,230 | 24,532,300 | 24,532,300 | ||
| Share schemes trust withheld | shares | 3,892,390 | 3,892,390 | 4,724,753 | 4,724,753 | 3,319,513 | 3,319,513 | ||
| Share schemes trust withheld amount | ¥ 281,000,000 | ¥ 218,000,000 | ¥ 100,000,000 | |||||
| Shares held for share scheme Trust | shares | 48,550,176 | 48,550,176 | 15,973,760 | 15,973,760 | ||||