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Lease Arrangements - Summary of Range of Discount Rate for Lease Liabilities (Details) - Discount Rate [Member] - Lease Liabilities [Member] | Dec. 31, 2023 | Dec. 31, 2022
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Top of Range [Member] | Handsets Base Stations [Member] |  |
Disclosure Of Quantitative Information About Rightofuse Assets [Line Items] |  |
Range of discount rate | 0.0184 | 0.0171
Top of Range [Member] | Others [Member] |  |
Disclosure Of Quantitative Information About Rightofuse Assets [Line Items] |  |
Range of discount rate | 0.09 | 0.09
Top of Range [Member] | Equipment [Member] |  |
Disclosure Of Quantitative Information About Rightofuse Assets [Line Items] |  |
Range of discount rate | 0.035 | 0.0299
Bottom of Range [Member] | Handsets Base Stations [Member] |  |
Disclosure Of Quantitative Information About Rightofuse Assets [Line Items] |  |
Range of discount rate | 0.0037 | 0.0037
Bottom of Range [Member] | Others [Member] |  |
Disclosure Of Quantitative Information About Rightofuse Assets [Line Items] |  |
Range of discount rate | 0.0037 | 0.0037
Bottom of Range [Member] | Equipment [Member] |  |
Disclosure Of Quantitative Information About Rightofuse Assets [Line Items] |  |
Range of discount rate | 0.0037 | 0.0037

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