Contents of Significant Accounts - Non-Operating Income and Expenses (Detail) $ in Thousands, $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2025
TWD ($)
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
TWD ($)
|
Dec. 31, 2023
TWD ($)
|
|
| Disclosure of detailed information about financial instruments [line items] | ||||
| Gain (Loss) on valuation of financial assets and liabilities at fair value through profit or loss | $ 707,129 | $ (320,956) | $ (40,553) | |
| Gain (Loss) on disposal of investments accounted for under the equity method | 218,088 | (2,093) | 163,395 | |
| Others | (6) | 20,345 | 100,254 | |
| Total other gains and losses | 925,211 | $ 29,492 | (302,704) | 223,096 |
| Interest expenses, bonds payable | 552,736 | 500,757 | 444,424 | |
| Interest expenses, bank loans | 762,064 | 963,263 | 833,548 | |
| Interest expenses, lease liabilities | 193,942 | 196,457 | 179,367 | |
| Interest expenses, others | 20,321 | 18,225 | 16,390 | |
| Financial expenses | 73,002 | 77,398 | 96,645 | |
| Total finance costs | $ 1,602,065 | $ 51,070 | $ 1,756,100 | $ 1,570,374 |