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Share-based Payment Arrangements - Summary of Information About Restricted Shares (Detail) |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Sep. 06, 2024 shares | Oct. 01, 2021 shares | Jan. 31, 2024 shares ¥ / shares | Nov. 30, 2023 shares | Dec. 31, 2024 shares ¥ / shares | Dec. 31, 2023 shares ¥ / shares | Dec. 31, 2022 shares ¥ / shares
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |
Stocks granted | shares | 16,500,000 | 15,000,000 | 5,722,000 | 372,000 |  |  |
Stocks forfeited | shares |  |  |  |  | (4,965,000) |  |
USISH option plans [member] |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |
Balance at January 1 | shares |  |  | 372,000 |  | 372,000 | 1,984,000 | 3,565,000
Stocks granted | shares |  |  |  |  | 5,722,000 | 372,000 | 0
Stocks expired | shares |  |  |  |  | 0 | 0 | (4,000)
Stocks exercised | shares |  |  |  |  | 0 | (1,966,000) | (395,000)
Stocks forfeited | shares |  |  |  |  | (3,175,000) | (18,000) | (1,182,000)
Balance at December 31 | shares |  |  |  |  | 2,919,000 | 372,000 | 1,984,000
Options exercisable, end of year | shares |  |  |  |  | 0 | 0 | 1,715,000
Fair value of restricted stocks granted (RMB) |  |  |  |  |  |  | ¥ 0
Exercise Price Per Share, Beginning |  |  | ¥ 14.5 |  | ¥ 14.5 | ¥ 10.7 | 10.2
Exercise Price Per Share, Options granted |  |  |  |  | 14.4 | 14.5 | 0
Exercise Price Per Share, Options expired |  |  |  |  | 0 | 0 | 0
Exercise Price Per Share, Options exercised |  |  |  |  | 0 | 10.8 | 0
Exercise Price Per Share, Options forfeited |  |  |  |  | 14.4 | 0 | 12.2
Exercise Price Per Share, Ending |  |  |  |  | 14.4 | 14.5 | 10.7
Exercise Price Per Share, Options exercisable, end of year |  |  |  |  | 0 | 0 | ¥ 12.4
USISH option plans [member] | Top of range [member] |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |
Fair value of restricted stocks granted (RMB) |  |  |  |  | 12.4 | 13 |
USISH option plans [member] | Bottom of range [member] |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |
Fair value of restricted stocks granted (RMB) |  |  |  |  | ¥ 11.6 | ¥ 12.2 |

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- Definition The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2024-01-01 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_45&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2024-01-01 -Paragraph 47 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_47_b&doctype=Standard -URIDate 2024-03-27 + Details
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