Condensed Financial Information of the Company - Consolidated Balance Sheets (Parenthetical) (Detail) - $ / shares	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2018	Mar. 31, 2014
Ordinary shares, shares authorized				10,000,000,000
Common Class A [Member]
Ordinary shares, par value	$ 0.000025	$ 0.000025	$ 0.000025
Ordinary shares, shares authorized	7,600,000,000	7,600,000,000	7,600,000,000
Ordinary shares, shares issued	518,104,900	518,104,900
Ordinary shares, shares outstanding	511,244,362	499,357,794
Common Class B [Member]
Ordinary shares, par value	$ 0.000025	$ 0.000025
Ordinary shares, shares authorized	1,400,000,000	1,400,000,000	1,400,000,000
Ordinary shares, shares issued	1,040,686,985	1,016,429,335
Ordinary shares, shares outstanding	1,040,686,985	1,016,429,335
Parent Company [Member] \| Common Class A [Member]
Ordinary shares, par value	$ 0.000025	$ 0.000025
Ordinary shares, shares authorized	7,600,000,000	7,600,000,000
Ordinary shares, shares issued	518,104,900	518,104,900
Ordinary shares, shares outstanding	511,244,362	499,357,794
Parent Company [Member] \| Common Class B [Member]
Ordinary shares, par value	$ 0.000025	$ 0.000025
Ordinary shares, shares authorized	1,400,000,000	1,400,000,000
Ordinary shares, shares issued	1,040,686,985	1,016,429,335
Ordinary shares, shares outstanding	1,040,686,985	1,016,429,335

Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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