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Cash Flow Information - Change in Liabilities Arising From Financing Activities (Detail) $ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2022 TWD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 TWD ($) | Dec. 31, 2020 TWD ($)
Disclosure of non-cash investing activities [line items] |  |  |  |
Beginning balance | $ 227,176,140 | $ 7,392,650 | $ 209,117,966 | $ 223,982,006
Net financing cash flows | (32,224,610) | (1,048,637) | 21,435,763 | (9,129,670)
Interest under operating activities | 1,394 | 45 | 800 | 111
Rent expense under operating activities | (1,904) | (62) | (184) | (7,729)
Equity components of convertible bonds and embedded derivative liability | (1,092,004) | (35,535) | (399,955) |
Non-cash changes |  |  |  |
Additions to lease liabilities | 1,379,342 | 44,886 | 2,037,665 | 584,642
Amortization of issuance cost | 297,446 | 9,679 | 351,262 | 171,232
Convertible bonds issued by subsidiaries and converted to ordinary shares | (171) | (6) | (102) |
Lease modifications | (117,549) | (3,825) | (58,799) | (289,687)
Adjustments for government subsidy | (46,672) | (1,519) |  | 41,650
Acquisition of subsidiaries (Note 29) |  |  | 180,745 | 990,023
Disposal of subsidiaries (Note 30) |  |  | (2,475,660) | (4,694,352)
Reclassification |  |  | 380,292 |
Effects of foreign currency exchange | 6,907,980 | 224,798 | (3,393,653) | (2,530,260)
Ending balance | 202,279,392 | 6,582,474 | 227,176,140 | 209,117,966
Income tax paid |  |  |  |
Operating activities | 14,250,527 | 463,733 | 7,423,947 | 5,536,077
Investing activities | 842,440 | 27,414 | 570,700 |
Total taxes paid | 15,092,967 | 491,147 | 7,994,647 | 5,536,077
Short-term borrowings [member] |  |  |  |
Disclosure of non-cash investing activities [line items] |  |  |  |
Beginning balance | 41,036,429 | 1,335,387 | 34,597,858 | 40,572,329
Net financing cash flows | 1,866,253 | 60,731 | 10,043,398 | (1,502,323)
Non-cash changes |  |  |  |
Short-term borrowings transferred to long-term borrowings |  |  |  | (3,850,000)
Acquisition of subsidiaries (Note 29) |  |  |  | 356,417
Disposal of subsidiaries (Note 30) |  |  | (2,443,005) |
Long-term borrowings transferred to short-term borrowings | 1,522,294 | 49,538 |  |
Effects of foreign currency exchange | 2,306,154 | 75,045 | (1,161,822) | (978,565)
Ending balance | 46,731,130 | 1,520,701 | 41,036,429 | 34,597,858
Bonds payable [member] |  |  |  |
Disclosure of non-cash investing activities [line items] |  |  |  |
Beginning balance | 52,267,337 | 1,700,857 | 56,253,554 | 36,522,155
Net financing cash flows | (3,539,423) | (115,178) | (3,719,057) | 19,717,149
Equity components of convertible bonds and embedded derivative liability | (1,092,004) | (35,535) | (399,955) |
Non-cash changes |  |  |  |
Amortization of issuance cost | 182,759 | 5,947 | 126,283 | 14,250
Convertible bonds issued by subsidiaries and converted to ordinary shares | (171) | (6) | (102) |
Effects of foreign currency exchange | 31,826 | 1,036 | 6,614 |
Ending balance | 47,850,324 | 1,557,121 | 52,267,337 | 56,253,554
Long-term borrowings [member] |  |  |  |
Disclosure of non-cash investing activities [line items] |  |  |  |
Beginning balance | 126,472,490 | 4,115,603 | 112,390,724 | 141,078,598
Net financing cash flows | (29,516,421) | (960,509) | 16,018,825 | (26,500,139)
Non-cash changes |  |  |  |
Amortization of issuance cost | 114,687 | 3,732 | 224,979 | 156,982
Short-term borrowings transferred to long-term borrowings |  |  |  | 3,850,000
Adjustments for government subsidy | (46,672) | (1,519) |  | 41,650
Disposal of subsidiaries (Note 30) |  |  |  | (4,693,682)
Long-term borrowings transferred to short-term borrowings | (1,522,294) | (49,538) |  |
Effects of foreign currency exchange | 4,487,661 | 146,037 | (2,162,038) | (1,542,685)
Ending balance | 99,989,451 | 3,253,806 | 126,472,490 | 112,390,724
Lease liabilities [member] |  |  |  |
Disclosure of non-cash investing activities [line items] |  |  |  |
Beginning balance | 7,399,884 | 240,803 | 5,875,830 | 5,808,924
Net financing cash flows | (1,035,019) | (33,681) | (907,403) | (844,357)
Interest under operating activities | 1,394 | 45 | 800 | 111
Rent expense under operating activities | (1,904) | (62) | (184) | (7,729)
Non-cash changes |  |  |  |
Additions to lease liabilities | 1,379,342 | 44,886 | 2,037,665 | 584,642
Lease modifications | (117,549) | (3,825) | (58,799) | (289,687)
Acquisition of subsidiaries (Note 29) |  |  | 180,745 | 633,606
Disposal of subsidiaries (Note 30) |  |  | (32,655) | (670)
Reclassification |  |  | 380,292 |
Effects of foreign currency exchange | 82,339 | 2,680 | (76,407) | (9,010)
Ending balance | $ 7,708,487 | $ 250,846 | $ 7,399,884 | $ 5,875,830

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