| 23. | Other Equity Items |
| Unrealized Gain on Valuation of Available-for- sale Financial Assets |
Exchange Difference on Translation of Foreign Financial Statements |
Remeasurements of Post-employment Benefit Obligations |
||||||||||
| NT$ | NT$ | NT$ | ||||||||||
|
As of January 1, 2015 |
3,670,115 | 720,253 | 23,339 | |||||||||
|
Changes in fair value of financial instruments |
||||||||||||
|
- pretax |
(2,406,287 | ) | — | — | ||||||||
|
- tax |
19,610 | — | — | |||||||||
|
Recognition of changes in fair value of financial instruments in profit or loss |
||||||||||||
|
- pretax |
1,856,442 | — | — | |||||||||
|
Differences in translation - equity method investments |
||||||||||||
|
- pretax |
— | (223,940 | ) | — | ||||||||
|
- tax |
— | (40 | ) | — | ||||||||
|
Other comprehensive income/losses reclassified to profit or loss upon disposal of investments accounted for using the equity method |
||||||||||||
|
- pretax |
— | (3,965 | ) | — | ||||||||
|
- tax |
— | 674 | — | |||||||||
|
Remeasurements of post-employment benefit obligations |
||||||||||||
|
- pretax |
— | — | (179,842 | ) | ||||||||
|
- tax |
— | — | 30,572 | |||||||||
|
|
|
|
|
|
|
|||||||
|
As of December 31, 2015 |
3,139,880 | 492,982 | (125,931 | ) | ||||||||
|
|
|
|
|
|
|
|||||||
| Unrealized Gain on Valuation of Available-for- sale Financial Assets |
Exchange Difference on Translation of Foreign Financial Statements |
Remeasurements of Post-employment Benefit Obligations |
||||||||||
| NT$ | NT$ | NT$ | ||||||||||
|
As of January 1, 2016 |
3,139,880 | 492,982 | (125,931 | ) | ||||||||
|
Changes in fair value of financial instruments |
||||||||||||
|
- pretax |
(1,229,348 | ) | — | — | ||||||||
|
- tax |
242,555 | — | — | |||||||||
|
Recognition of changes in fair value of financial instruments in profit or loss |
||||||||||||
|
- pretax |
(239,757 | ) | — | — | ||||||||
|
- tax |
19,804 | — | — | |||||||||
|
Share of other comprehensive income of associates |
||||||||||||
|
- pretax |
(121,957 | ) | — | — | ||||||||
|
- tax |
10,981 | — | — | |||||||||
|
Differences in translation - equity method investments |
||||||||||||
|
- pretax |
— | (908,801 | ) | — | ||||||||
|
- tax |
— | 570 | — | |||||||||
|
Remeasurements of post-employment benefit obligations |
||||||||||||
|
- pretax |
— | — | (177,806 | ) | ||||||||
|
- tax |
— | — | 30,227 | |||||||||
|
|
|
|
|
|
|
|||||||
|
As of December 31, 2016 |
1,822,158 | (415,249 | ) | (273,510 | ) | |||||||
|
|
|
|
|
|
|
|||||||
| Unrealized Gain on Valuation of Available-for- sale Financial Assets |
Exchange Difference on Translation of Foreign Financial Statements |
Remeasurements of Post-employment Benefit Obligations |
||||||||||
| NT$ | NT$ | NT$ | ||||||||||
|
As of January 1, 2017 |
1,822,158 | (415,249 | ) | (273,510 | ) | |||||||
|
Changes in fair value of financial instruments |
||||||||||||
|
- pretax |
519,549 | — | — | |||||||||
|
- tax |
(63,395 | ) | — | — | ||||||||
|
Recognition of changes in fair value of financial instruments in profit or loss |
||||||||||||
|
- pretax |
(54,374 | ) | — | — | ||||||||
|
- tax |
13,734 | — | — | |||||||||
|
Share of other comprehensive income of associates |
||||||||||||
|
- pretax |
418,944 | — | — | |||||||||
|
- tax |
(37,721 | ) | — | — | ||||||||
|
Differences in translation - equity method investments |
||||||||||||
|
- pretax |
— | (227,787 | ) | — | ||||||||
|
- tax |
— | 111 | — | |||||||||
|
Other comprehensive income/losses reclassified to profit or loss upon disposal of investments accounted for using the equity method |
||||||||||||
|
- pretax |
— | 1,464 | — | |||||||||
|
- tax |
— | (305 | ) | — | ||||||||
|
Remeasurements of post-employment benefit obligations |
||||||||||||
|
- pretax |
— | — | 10,647 | |||||||||
|
- tax |
— | — | (1,810 | ) | ||||||||
|
|
|
|
|
|
|
|||||||
|
As of December 31, 2017 |
2,618,895 | (641,766 | ) | (264,673 | ) | |||||||
|
|
|
|
|
|
|
|||||||