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Significant Assets and Liabilities Denominated in Foreign Currencies | 12 Months Ended
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Dec. 31, 2017
Text block1 [abstract] |
Significant Assets and Liabilities Denominated in Foreign Currencies | 39. SIGNIFICANT ASSETS AND LIABILITIES DENOMINATED IN FOREIGN CURRENCIES The following information was aggregated by the foreign currencies other than functional currencies of the group entities and the exchange rates between foreign currencies and respective functional currencies were disclosed. The significant financial assets and financial liabilities denominated in foreign currencies were as follows:
|  | Foreign Currencies (In Thousand) |  | Exchange Rate |  | Carrying Amount (In Thousand)
December 31, 2016 |  |  |  |  |  |
Monetary financial assets |  |  |  |  |  |
US$ |  | $ | 3,106,557 |  |  | US$1=NT$32.25 |  | $ | 100,186,466 |
US$ |  |  | 1,020,769 |  |  | US$1=CNY6.9370 |  |  | 32,919,814 |
JPY |  |  | 4,976,309 |  |  | JPY1=NT$0.2756 |  |  | 1,371,471 |
JPY |  |  | 9,277,760 |  |  | JPY1=US$0.0085 |  |  | 2,556,951 |
Monetary financial liabilities |  |  |  |  |  |  |  |  |  |
US$ |  |  | 3,013,288 |  |  | US$1=NT$32.25 |  |  | 97,178,536 |
US$ |  |  | 891,487 |  |  | US$1=CNY6.9370 |  |  | 28,750,462 |
JPY |  |  | 5,881,716 |  |  | JPY1=NT$0.2756 |  |  | 1,621,001 |
JPY |  |  | 9,543,756 |  |  | JPY1=US$0.0085 |  |  | 2,630,259 |
December 31, 2017 |  |  |  |  |  |  |  |  |  |
Monetary financial assets |  |  |  |  |  |  |  |  |  |
US$ |  |  | 3,065,296 |  |  | US$1=NT$29.76 |  |  | 91,223,195 |
US$ |  |  | 1,193,369 |  |  | US$1=CNY6.5342 |  |  | 35,514,653 |
JPY |  |  | 5,005,435 |  |  | JPY1=NT$0.2642 |  |  | 1,322,436 |
JPY |  |  | 8,113,284 |  |  | JPY1=US$0.0089 |  |  | 2,143,530 |
(continued)
|  | Foreign Currencies (In Thousand) |  | Exchange Rate |  | Carrying Amount (In Thousand)
Monetary financial liabilities |  |  |  |  |  |
US$ |  | $ | 2,902,995 |  |  | US$1=NT$29.76 |  | $ | 86,393,137 |
US$ |  |  | 1,007,629 |  |  | US$1=CNY6.5342 |  |  | 29,987,042 |
JPY |  |  | 5,415,677 |  |  | JPY1=NT$0.2642 |  |  | 1,430,822 |
JPY |  |  | 8,598,832 |  |  | JPY1=US$0.0089 |  |  | 2,271,811 |
(concluded) The significant realized and unrealized foreign exchange gain (loss) were as follows:
|  | For the Year Ended December 31
|  | 2015 |  | 2016 |  | 2017
Functional Currencies |  | Exchange Rate |  | Net Foreign Exchange Gain (Loss) |  | Exchange Rate |  | Net Foreign Exchange Gain (Loss) |  | Exchange Rate |  | Net Foreign Exchange Gain
|  |  |  | NT$ |  |  |  | NT$ |  |  |  | NT$ |  | US$ (Note 4)
NT$ |  |  |  |  |  | $ | (695,510 | ) |  |  |  |  |  | $ | 1,494,044 |  |  |  |  |  |  | $ | 4,130,243 |  |  | $ | 139,347 |
US$ |  |  | US$1=NT$32.825 |  |  |  | 136,795 |  |  |  | US$1=NT$32.25 |  |  |  | 203,258 |  |  |  | US$1=NT$29.76 |  |  |  | (244,802 | ) |  |  | (8,259 | )
CNY |  |  | CNY1=NT$5.0550 |  |  |  | (271,358 | ) |  |  | CNY1=NT$4.649 |  |  |  | 224,393 |  |  |  | CNY1=NT$4.5545 |  |  |  | (337,630 | ) |  |  | (11,391 | )
|  |  |  |  |  | $ | (830,073 | ) |  |  |  |  |  | $ | 1,921,695 |  |  |  |  |  |  | $ | 3,547,811 |  |  | $ | 119,697 |

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