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Equity - Summary of Capital Stock (Detail) - shares | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
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Disclosure of classes of share capital [line items] |  |  |
Capital stock (in shares) | 16,806,658,096 | 16,806,658,096 | 16,806,658,096
A |  |  |
Disclosure of classes of share capital [line items] |  |  |
Capital stock (in shares) | 7,936,628,152 | 7,936,628,152 | 7,936,628,152
B |  |  |
Disclosure of classes of share capital [line items] |  |  |
Capital stock (in shares) | 1,575,624,195 | 1,575,624,195 | 1,575,624,195
D |  |  |
Disclosure of classes of share capital [line items] |  |  |
Capital stock (in shares) | 4,668,365,424 | 4,668,365,424 | 4,668,365,424
L |  |  |
Disclosure of classes of share capital [line items] |  |  |
Capital stock (in shares) | 2,626,040,325 | 2,626,040,325 | 2,626,040,325

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