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Equity - Summary of Capital Stock (Detail) - shares
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
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) 4,668,365,424 4,668,365,424 4,668,365,424
D      
Disclosure of classes of share capital [line items]      
Capital stock (in shares) 1,575,624,195 1,575,624,195 1,575,624,195
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