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Trade Notes and Accounts Payable | 12 Months Ended
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Dec. 31, 2019
Trade And Other Current Payables [Abstract] |
Trade Notes and Accounts Payable |
24. | TRADE NOTES AND ACCOUNTS PAYABLE
|  | December 31 |
|  | 2018 |  |  | 2019 |
|  | NT$ |  |  | NT$ |
|  | (In Millions) |
Trade notes and accounts payable |  | $ | 20,465 |  |  | $ | 15,312 |
Trade notes and accounts payable were attributable to operating activities and the trading conditions were agreed separately.

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