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v3.23.1

Equity - Additional Information (Detail) | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2022 $ / shares shares | Dec. 31, 2021 $ / shares shares | May 10, 2022 shares | Mar. 01, 2022 $ / shares shares | Feb. 15, 2022 shares
Disclosure of classes of share capital [line items] |  |  |  |  |
Common shares par value | $ / shares | $ 10 | $ 10 |  |  |
Shares allocated for exercise of employee stock options | 500,000,000 | 500,000,000 |  |  |
Issued capital | 25,930,300,000 | 25,930,300,000 |  |  |
Legal capital reserve percentage | 10.00% | 10.00% |  |  |
Percentage of paid in capital on reserve used to offset deficit or distribute as dividend in cash or stock | 25.00% | 25.00% |  |  |
Share buy back plan aggregate shares repurchased |  |  | 1,400,000 |  |
Non Adjusting Events After Reporting Period [Member] |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Share buy back plan aggregate shares repurchased |  |  |  |  | 1,400,000
Top of range [member] |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Total distribution | 50.00% |  |  |  |
American Depositary Shares (one represents five common shares) [member] |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Issued capital | 1,063,800,000 |  |  |  |
Number of shares issued | 5,319,200,000 |  |  |  |
Employee Restricted Stocks Awards [Member] |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Common shares par value | $ / shares |  |  |  | $ 10 |
Number of shares issued |  |  |  | 1,400,000 |

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