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Other Current Monetary Assets (Tables) | 12 Months Ended
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Dec. 31, 2024
Disclosure Of Other Current Monetary Assets [Abstract] |
Disclosure Of Detailed Information About Other Current Monetary Assets Explanatory |
|  | December 31 |
|  | 2023 |  |  | 2024 |
|  | NT$ |  |  | NT$ |
|  | (In Millions) |
Time deposits, negotiable certificates of deposit and commercial paper with maturities of more than three months |  | $ | 18,573 |  |  | $ | 21,680 |
Accrued custodial receipts |  |  | 893 |  |  |  | 725 |
Others |  |  | 886 |  |  |  | 1,003 |
|  | $ | 20,352 |  |  | $ | 23,408 |
Annual Yield Rates of Time Deposits, Negotiable Certificates of Deposit, Commercial Paper and Repurchase Agreements Collateralized by Bonds with Maturities of more Than Three Months | The annual yield rates of time deposits, negotiable certificates of deposit and commercial paper with maturities of more than three months at the balance sheet dates were as follows:
|  | December 31
|  | 2023 |  | 2024
Time deposits, negotiable certificates of deposit and commercial paper with maturities of more than three months |  | 0.03%-5.54% |  | 0.03%-5.10%

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