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v3.19.1

Cash Flows Information - Summary of Non-cash Investing Activities (Detail) $ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2018 USD ($) | Dec. 31, 2018 TWD ($) | Dec. 31, 2017 TWD ($) | Dec. 31, 2016 TWD ($)
Payments for property, plant and equipment |  |  |  |
Purchase of property, plant and equipment | $ 1,277,107 | $ 39,092,238 | $ 23,677,682 | $ 27,680,862
Increase (decrease) in prepayments for property, plant and equipment | 13,141 | 402,255 | 90,560 | (89,337)
Decrease (increase) in payables for property, plant and equipment | 63,452 | 1,942,259 | 982,260 | (823,171)
Capitalized borrowing costs | (1,643) | (50,309) | (51,262) | (54,191)
Payments for property, plant and equipment | 1,352,057 | 41,386,443 | 24,699,240 | 26,714,163
Proceeds from disposal of property, plant and equipment |  |  |  |
Consideration from disposal of property, plant and equipment | 37,028 | 1,133,435 | 1,487,334 | 692,826
Decrease (increase) in other receivables | (189) | (5,791) | 876 | (22,626)
Proceeds from disposal of property, plant and equipment | 36,839 | 1,127,644 | 1,488,210 | 670,200
Payments for investment properties |  |  |  |
Purchase of investment properties | 4,112 | 125,853 | 186,535 |
Capitalized borrowing costs | (3) | (89) | (13) |
Proceeds from disposals of investment property | 4,109 | 125,764 | 186,522 |
Payments for other intangible assets |  |  |  |
Purchase of other intangible assets | 17,565 | 537,659 | 277,825 | 675,144
Decrease (increase) in other payables | 1,310 | 40,106 | 60,159 | (120,938)
Increase in other non-current liabilities |  |  |  | (40,313)
Purchase of intangible assets classified as investing activities | $ 18,875 | $ 577,765 | 337,984 | $ 513,893
Net cash inflow from disposal of subsidiaries |  |  |  |
Consideration from disposal of subsidiaries |  |  | 7,046,464 |
Increase in other payables |  |  | 3,552 |
Cash and cash equivalents disposed of |  |  | (29,133) |
Net cash inflow from disposal of subsidiaries |  |  | $ 7,020,883 |

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