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Material Accounting Policies - Summary of Estimated Useful Lives of Property, Plant and Equipment (Detail)
 12 Months Ended
Dec. 31, 2023
Buildings [member] | Bottom of range [member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated Useful Life 5 years
Buildings [member] | Top of range [member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated Useful Life 40 years
Structures [member] | Bottom of range [member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated Useful Life 5 years
Structures [member] | Top of range [member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated Useful Life 40 years
Machinery and equipment (Telecommunications equipment and others) [member] | Bottom of range [member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated Useful Life 2 years
Machinery and equipment (Telecommunications equipment and others) [member] | Top of range [member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated Useful Life 40 years
Vehicles [member] | Bottom of range [member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated Useful Life 4 years
Vehicles [member] | Top of range [member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated Useful Life 10 years
Tools [member] | Bottom of range [member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated Useful Life 2 years
Tools [member] | Top of range [member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated Useful Life 6 years
Office equipment [member] | Bottom of range [member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated Useful Life 2 years
Office equipment [member] | Top of range [member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated Useful Life 8 years