Treasury Shares - Additional Information (Detail) $ / shares in Units, ¥ in Thousands, $ in Millions	Dec. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2022 CNY (¥) shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2021 CNY (¥) shares	Dec. 31, 2020 CNY (¥) shares	Dec. 31, 2020 $ / shares
Statement [Line Items]
Stock repurchase program, Number of shares authorized, Value \| $			$ 1,000
Stock repurchase program, Number of shares repurchased	110,000,000	110,000,000
Stock repurchase program, Number of shares repurchased, Value	$ 877	¥ 5,643,000
Ordinary shares [member]
Statement [Line Items]
Stock repurchase program, Number of shares repurchased	55,000,000	55,000,000
Treasury shares [member]
Statement [Line Items]
Exercise of share-based payment, Shares	3,223,040	3,223,040	2,219,927	2,219,927	0
Par value per share \| $ / shares	$ 0.00001		$ 0.00001			$ 0.00001
Treasury shares issued under share based payment \| ¥		¥ 224		¥ 143	¥ 0