XML 88 R102.htm IDEA: XBRL DOCUMENT
v3.20.1

Property, Plant and Equipment - Summary of assets used by the Company (Detail) $ in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 TWD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 TWD ($) | Dec. 31, 2017 TWD ($)
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | $ 1,072,050.3 |  | $ 1,062,542.3 |
Additions | 564,283.0 |  | 300,024.4 | $ 322,493.9
Ending balance | 1,352,377.4 | $ 45,214.9 | 1,072,050.3 | 1,062,542.3
Property, plant and equipment not subject to operating leases [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Ending balance | 1,352,313.9 |  |  |
Cost [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | 3,372,779.1 |  | 3,080,615.1 | 2,773,250.8
Additions |  |  | 300,024.4 | 322,493.9
Disposals or retirements |  |  | (7,174.2) | (9,967.8)
Effect of disposal of subsidiary |  |  |  | (66.5)
Effect of exchange rate changes |  |  | (686.2) | (5,105.6)
Ending balance |  |  | 3,372,779.1 | 3,080,615.1
Cost [member] | Property, plant and equipment not subject to operating leases [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | 3,372,216.5 |  |  |
Additions | 564,283.0 |  |  |
Disposals or retirements | (18,583.9) |  |  |
Transfers from right-of-use assets | 619.8 |  |  |
Effect of disposal of subsidiary | (0.5) |  |  |
Effect of exchange rate changes | (6,938.6) |  |  |
Ending balance | 3,911,596.3 |  | 3,372,216.5 |
Accumulated depreciation [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | 2,300,728.8 |  | 2,018,072.8 | 1,775,473.1
Additions |  |  | 288,124.9 | 255,796.0
Disposals or retirements |  |  | (5,962.6) | (8,520.6)
Reversal of impairment |  |  | 423.5 |
Effect of disposal of subsidiary |  |  |  | (56.7)
Effect of exchange rate changes |  |  | 70.2 | (4,628.7)
Ending balance |  |  | 2,300,728.8 | 2,018,072.8
Accumulated depreciation [member] | Property, plant and equipment not subject to operating leases [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | 2,300,253.9 |  |  |
Additions | 278,764.9 |  |  |
Disposals or retirements | (14,067.3) |  |  |
Reversal of impairment | (301.4) |  |  |
Transfers from right-of-use assets |  |  | 20.7 |
Effect of disposal of subsidiary | (0.5) |  |  |
Effect of exchange rate changes | (5,387.9) |  |  |
Ending balance | 2,559,282.4 |  | 2,300,253.9 |
Land and Land Improvements [Member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | 3,460.8 |  | 3,472.7 |
Ending balance |  |  | 3,460.8 | 3,472.7
Land and Land Improvements [Member] | Property, plant and equipment not subject to operating leases [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Ending balance | 3,453.1 |  |  |
Land and Land Improvements [Member] | Cost [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | 4,011.4 |  | 3,983.2 | 4,049.3
Effect of exchange rate changes |  |  | 28.2 | (66.1)
Ending balance |  |  | 4,011.4 | 3,983.2
Land and Land Improvements [Member] | Cost [member] | Property, plant and equipment not subject to operating leases [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | 4,011.4 |  |  |
Effect of exchange rate changes | (19.6) |  |  |
Ending balance | 3,991.8 |  | 4,011.4 |
Land and Land Improvements [Member] | Accumulated depreciation [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | 550.6 |  | 510.5 | 524.8
Additions |  |  | 20.9 | 27.8
Effect of exchange rate changes |  |  | 19.2 | (42.1)
Ending balance |  |  | 550.6 | 510.5
Land and Land Improvements [Member] | Accumulated depreciation [member] | Property, plant and equipment not subject to operating leases [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | 550.6 |  |  |
Additions | 1.6 |  |  |
Effect of exchange rate changes | (13.5) |  |  |
Ending balance | 538.7 |  | 550.6 |
Buildings [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | 200,340.2 |  | 184,688.1 |
Ending balance |  |  | 200,340.2 | 184,688.1
Buildings [member] | Property, plant and equipment not subject to operating leases [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Ending balance | 195,015.7 |  |  |
Buildings [member] | Cost [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | 418,714.3 |  | 379,134.6 | 304,404.5
Additions |  |  | 40,396.4 | 75,594.7
Disposals or retirements |  |  | (410.9) | (37.0)
Effect of exchange rate changes |  |  | (405.8) | (827.6)
Ending balance |  |  | 418,714.3 | 379,134.6
Buildings [member] | Cost [member] | Property, plant and equipment not subject to operating leases [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | 418,151.7 |  |  |
Additions | 21,448.5 |  |  |
Disposals or retirements | (159.0) |  |  |
Effect of exchange rate changes | (1,366.2) |  |  |
Ending balance | 438,075.0 |  | 418,151.7 |
Buildings [member] | Accumulated depreciation [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | 218,374.1 |  | 194,446.5 | 174,349.1
Additions |  |  | 24,293.4 | 20,844.6
Disposals or retirements |  |  | (399.0) | (28.8)
Effect of exchange rate changes |  |  | 33.2 | (718.4)
Ending balance |  |  | 218,374.1 | 194,446.5
Buildings [member] | Accumulated depreciation [member] | Property, plant and equipment not subject to operating leases [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | 217,899.2 |  |  |
Additions | 26,026.6 |  |  |
Disposals or retirements | (144.4) |  |  |
Effect of exchange rate changes | (722.1) |  |  |
Ending balance | 243,059.3 |  | 217,899.2 |
Machinery and equipment |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | 679,481.2 |  | 692,303.4 |
Reversal of impairment | 301.4 |  | 423.5 |
Ending balance |  |  | 679,481.2 | 692,303.4
Machinery and equipment | Property, plant and equipment not subject to operating leases [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Ending balance | 608,357.0 |  |  |
Machinery and equipment | Cost [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | 2,728,760.2 |  | 2,487,752.3 | 2,042,867.7
Additions |  |  | 247,042.3 | 458,605.8
Disposals or retirements |  |  | (5,972.5) | (9,553.0)
Effect of disposal of subsidiary |  |  |  | (51.2)
Effect of exchange rate changes |  |  | (61.9) | (4,125.8)
Ending balance |  |  | 2,728,760.2 | 2,487,752.3
Machinery and equipment | Cost [member] | Property, plant and equipment not subject to operating leases [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | 2,728,760.2 |  |  |
Additions | 179,798.4 |  |  |
Disposals or retirements | (17,381.6) |  |  |
Transfers from right-of-use assets | 619.8 |  |  |
Effect of exchange rate changes | (5,173.8) |  |  |
Ending balance | 2,886,623.0 |  | 2,728,760.2 |
Machinery and equipment | Accumulated depreciation [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | 2,049,279.0 |  | 1,795,448.9 | 1,577,377.5
Additions |  |  | 258,195.3 | 229,985.6
Disposals or retirements |  |  | (4,773.6) | (8,114.3)
Reversal of impairment |  |  | 423.5 |
Effect of disposal of subsidiary |  |  |  | (42.8)
Effect of exchange rate changes |  |  | (15.1) | (3,765.3)
Ending balance |  |  | 2,049,279.0 | 1,795,448.9
Machinery and equipment | Accumulated depreciation [member] | Property, plant and equipment not subject to operating leases [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | 2,049,279.0 |  |  |
Additions | 246,724.2 |  |  |
Disposals or retirements | (12,880.8) |  |  |
Reversal of impairment | (301.4) |  |  |
Transfers from right-of-use assets |  |  | 20.7 |
Effect of exchange rate changes | (4,575.7) |  |  |
Ending balance | 2,278,266.0 |  | 2,049,279.0 |
Office equipment [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | 15,857.1 |  | 14,724.6 |
Ending balance |  |  | 15,857.1 | 14,724.6
Office equipment [member] | Property, plant and equipment not subject to operating leases [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Ending balance | 17,193.0 |  |  |
Office equipment [member] | Cost [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | 48,382.2 |  | 42,391.5 | 34,729.6
Additions |  |  | 6,773.4 | 8,195.9
Disposals or retirements |  |  | (790.8) | (377.8)
Effect of disposal of subsidiary |  |  |  | (14.8)
Effect of exchange rate changes |  |  | 8.1 | (142.9)
Ending balance |  |  | 48,382.2 | 42,391.5
Office equipment [member] | Cost [member] | Property, plant and equipment not subject to operating leases [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | 48,382.2 |  |  |
Additions | 7,415.0 |  |  |
Disposals or retirements | (1,043.3) |  |  |
Effect of disposal of subsidiary | (0.5) |  |  |
Effect of exchange rate changes | (142.0) |  |  |
Ending balance | 54,611.4 |  | 48,382.2 |
Office equipment [member] | Accumulated depreciation [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | 32,525.1 |  | 27,666.9 | 23,221.7
Additions |  |  | 5,615.3 | 4,938.0
Disposals or retirements |  |  | (790.0) | (377.5)
Effect of disposal of subsidiary |  |  |  | (13.9)
Effect of exchange rate changes |  |  | 32.9 | (102.9)
Ending balance |  |  | 32,525.1 | 27,666.9
Office equipment [member] | Accumulated depreciation [member] | Property, plant and equipment not subject to operating leases [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | 32,525.1 |  |  |
Additions | 6,012.5 |  |  |
Disposals or retirements | (1,042.1) |  |  |
Effect of disposal of subsidiary | (0.5) |  |  |
Effect of exchange rate changes | (76.6) |  |  |
Ending balance | 37,418.4 |  | 32,525.1 |
Equipment under installation and construction in progress [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | 172,911.0 |  | 167,353.5 |
Ending balance |  |  | 172,911.0 | 167,353.5
Equipment under installation and construction in progress [member] | Property, plant and equipment not subject to operating leases [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Ending balance | 528,295.1 |  |  |
Equipment under installation and construction in progress [member] | Cost [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | 172,911.0 |  | 167,353.5 | 387,199.7
Additions |  |  | 5,812.3 | (219,902.5)
Effect of disposal of subsidiary |  |  |  | (0.5)
Effect of exchange rate changes |  |  | (254.8) | 56.8
Ending balance |  |  | 172,911.0 | $ 167,353.5
Equipment under installation and construction in progress [member] | Cost [member] | Property, plant and equipment not subject to operating leases [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Beginning balance | 172,911.0 |  |  |
Additions | 355,621.1 |  |  |
Effect of exchange rate changes | (237.0) |  |  |
Ending balance | $ 528,295.1 |  | $ 172,911.0 |

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