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Property, Plant and Equipment - Estimated Service Lives of Property, Plant and Equipment - Asset Used by The Company (Detail) - Assets Used by the Company [Member] | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Land improvements [Member] | Bottom of Range [Member] |  |
Disclosure Of Property Plant And Equipment [Line Items] |  |
Estimated service lives | 10 years | 10 years
Land improvements [Member] | Top of Range [Member] |  |
Disclosure Of Property Plant And Equipment [Line Items] |  |
Estimated service lives | 30 years | 30 years
Main buildings [Member] | Bottom of Range [Member] |  |
Disclosure Of Property Plant And Equipment [Line Items] |  |
Estimated service lives | 20 years | 20 years
Main buildings [Member] | Top of Range [Member] |  |
Disclosure Of Property Plant And Equipment [Line Items] |  |
Estimated service lives | 60 years | 60 years
Other building facilities [Member] | Bottom of Range [Member] |  |
Disclosure Of Property Plant And Equipment [Line Items] |  |
Estimated service lives | 3 years | 3 years
Other building facilities [Member] | Top of Range [Member] |  |
Disclosure Of Property Plant And Equipment [Line Items] |  |
Estimated service lives | 15 years | 15 years
Computer equipment [Member] | Bottom of Range [Member] |  |
Disclosure Of Property Plant And Equipment [Line Items] |  |
Estimated service lives | 2 years | 2 years
Computer equipment [Member] | Top of Range [Member] |  |
Disclosure Of Property Plant And Equipment [Line Items] |  |
Estimated service lives | 8 years | 8 years
Telecommunication circuits [Member] | Bottom of Range [Member] |  |
Disclosure Of Property Plant And Equipment [Line Items] |  |
Estimated service lives | 2 years | 2 years
Telecommunication circuits [Member] | Top of Range [Member] |  |
Disclosure Of Property Plant And Equipment [Line Items] |  |
Estimated service lives | 30 years | 30 years
Telecommunication machinery and antennas equipment [Member] | Bottom of Range [Member] |  |
Disclosure Of Property Plant And Equipment [Line Items] |  |
Estimated service lives | 2 years | 2 years
Telecommunication machinery and antennas equipment [Member] | Top of Range [Member] |  |
Disclosure Of Property Plant And Equipment [Line Items] |  |
Estimated service lives | 30 years | 30 years
Transportation equipment [Member] | Bottom of Range [Member] |  |
Disclosure Of Property Plant And Equipment [Line Items] |  |
Estimated service lives | 2 years | 2 years
Transportation equipment [Member] | Top of Range [Member] |  |
Disclosure Of Property Plant And Equipment [Line Items] |  |
Estimated service lives | 10 years | 10 years
Leasehold improvements [Member] | Bottom of Range [Member] |  |
Disclosure Of Property Plant And Equipment [Line Items] |  |
Estimated service lives | 1 years | 1 years
Leasehold improvements [Member] | Top of Range [Member] |  |
Disclosure Of Property Plant And Equipment [Line Items] |  |
Estimated service lives | 18 years | 18 years
Mechanical and air conditioner equipment [Member] | Bottom of Range [Member] |  |
Disclosure Of Property Plant And Equipment [Line Items] |  |
Estimated service lives | 3 years | 3 years
Mechanical and air conditioner equipment [Member] | Top of Range [Member] |  |
Disclosure Of Property Plant And Equipment [Line Items] |  |
Estimated service lives | 16 years | 16 years
Others [Member] | Bottom of Range [Member] |  |
Disclosure Of Property Plant And Equipment [Line Items] |  |
Estimated service lives | 1 years | 1 years
Others [Member] | Top of Range [Member] |  |
Disclosure Of Property Plant And Equipment [Line Items] |  |
Estimated service lives | 15 years | 15 years

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- Definition Useful lives and depreciation rates of property plant and equipment. + References No definition available. + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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- Details
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- Details
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- Details
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- Details
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