XML 111 R93.htm IDEA: XBRL DOCUMENT v3.22.1
Property, Plant and Equipment - Summary of assets used by the Company (Detail)
$ in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2021
TWD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
TWD ($)
Dec. 31, 2019
TWD ($)
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance $ 1,555,589.1   $ 1,352,377.4  
Additions 835,406.3   525,720.7 $ 564,283.0
Ending balance 1,975,118.7 $ 71,201.1 1,555,589.1 1,352,377.4
Property, plant and equipment not subject to operating leases [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 1,554,585.9   1,352,313.9  
Ending balance 1,975,114.0   1,554,585.9 1,352,313.9
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 4,426,223.8   3,911,596.3 3,372,216.5
Additions 835,406.3   525,720.7 564,283.0
Disposals or retirements (26,566.7)   (7,172.9) (18,583.9)
Transfers from assets subject to operating leases 1,479.1   23.1  
Transfers to assets subject to operating leases (244.6)   (1,199.0)  
Transfers from right-of-use assets       619.8
Effect of disposal of subsidiary       (0.5)
Effect of exchange rate changes 847.2   (2,744.4) (6,938.6)
Ending balance 5,237,145.1   4,426,223.8 3,911,596.3
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 2,871,637.9   2,559,282.4 2,300,253.9
Additions 411,483.9   321,821.1 278,764.9
Disposals or retirements (22,599.2)   (6,773.2) (14,067.3)
Reversal of impairment       (301.4)
Transfers from assets subject to operating leases 451.9   8.2  
Transfers to assets subject to operating leases (68.3)   (202.6)  
Transfers from right-of-use assets       20.7
Effect of disposal of subsidiary       (0.5)
Impairment 274.4   10.2  
Effect of exchange rate changes 850.5   (2,508.2) (5,387.9)
Ending balance 3,262,031.1   2,871,637.9 2,559,282.4
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]        
Beginning balance 3,436.5   3,453.1  
Ending balance 5,988.4   3,436.5 3,453.1
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 3,942.6   3,991.8 4,011.4
Additions 2,587.2      
Effect of exchange rate changes (41.6)   (49.2) (19.6)
Ending balance 6,488.2   3,942.6 3,991.8
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 506.1   538.7 550.6
Additions 1.3   1.5 1.6
Effect of exchange rate changes (7.6)   (34.1) (13.5)
Ending balance 499.8   506.1 538.7
Buildings [member] | Property, plant and equipment not subject to operating leases [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 250,647.9   195,015.7  
Ending balance 270,432.5   250,647.9 195,015.7
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 522,447.4   438,075.0 418,151.7
Additions 53,971.3   84,882.5 21,448.5
Disposals or retirements (41.1)   (41.5) (159.0)
Transfers from assets subject to operating leases 35.5   23.1  
Effect of exchange rate changes 184.7   (491.7) (1,366.2)
Ending balance 576,597.8   522,447.4 438,075.0
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 271,799.5   243,059.3 217,899.2
Additions 34,331.6   29,209.1 26,026.6
Disposals or retirements (36.5)   (27.9) (144.4)
Transfers from assets subject to operating leases 15.1   8.2  
Effect of exchange rate changes 55.6   (449.2) (722.1)
Ending balance 306,165.3   271,799.5 243,059.3
Machinery and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Reversal of impairment (274.4)     (301.4)
Machinery and equipment | Property, plant and equipment not subject to operating leases [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 1,051,475.7   608,357.0  
Ending balance 1,081,209.8   1,051,475.7 608,357.0
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 3,607,005.7   2,886,623.0 2,728,760.2
Additions 401,659.0   729,943.3 179,798.4
Disposals or retirements (26,192.2)   (6,397.3) (17,381.6)
Transfers from assets subject to operating leases 1,443.6      
Transfers to assets subject to operating leases (244.6)   (1,199.0)  
Transfers from right-of-use assets       619.8
Effect of exchange rate changes 1,077.7   (1,964.3) (5,173.8)
Ending balance 3,984,749.2   3,607,005.7 2,886,623.0
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 2,555,530.0   2,278,266.0 2,049,279.0
Additions 368,777.7   285,393.6 246,724.2
Disposals or retirements (22,230.1)   (6,012.9) (12,880.8)
Reversal of impairment       (301.4)
Transfers from assets subject to operating leases 436.8      
Transfers to assets subject to operating leases (68.3)   (202.6)  
Transfers from right-of-use assets       20.7
Impairment 274.4   10.2  
Effect of exchange rate changes 818.9   (1,924.3) (4,575.7)
Ending balance 2,903,539.4   2,555,530.0 2,278,266.0
Office equipment [member] | Property, plant and equipment not subject to operating leases [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 25,060.4   17,193.0  
Ending balance 24,327.6   25,060.4 17,193.0
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 68,862.7   54,611.4 48,382.2
Additions 7,643.0   15,112.9 7,415.0
Disposals or retirements (333.4)   (734.1) (1,043.3)
Effect of disposal of subsidiary       (0.5)
Effect of exchange rate changes (18.1)   (127.5) (142.0)
Ending balance 76,154.2   68,862.7 54,611.4
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 43,802.3   37,418.4 32,525.1
Additions 8,373.3   7,216.9 6,012.5
Disposals or retirements (332.6)   (732.4) (1,042.1)
Effect of disposal of subsidiary       (0.5)
Effect of exchange rate changes (16.4)   (100.6) (76.6)
Ending balance 51,826.6   43,802.3 37,418.4
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]        
Beginning balance 223,965.4   528,295.1  
Ending balance 593,155.7   223,965.4 528,295.1
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 223,965.4   528,295.1 172,911.0
Additions 369,545.8   (304,218.0) 355,621.1
Effect of exchange rate changes (355.5)   (111.7) (237.0)
Ending balance $ 593,155.7   $ 223,965.4 $ 528,295.1