XML 135 R126.htm IDEA: XBRL DOCUMENT v3.21.2
Financial Instruments - Summary of Maturity Profile of Financial Liabilities Based on Contractual Undiscounted Payments, Including Principal and Interest (Detail)
$ in Millions, $ in Millions
Jun. 30, 2021
TWD ($)
Jun. 30, 2021
USD ($)
Dec. 31, 2020
TWD ($)
Disclosure of detailed information about financial instruments [line items]      
Short-term loans $ 139,380.9 $ 4,993.9 $ 88,559.0
Accrued expenses and other current liabilities 112,518.5 4,031.5 87,683.2
Long-term bank loans 3,171.3 $ 113.6 1,967.6
Total non-derivative and derivative financial instruments 866,634.0   681,741.8
Non-derivative financial liabilities [member]      
Disclosure of detailed information about financial instruments [line items]      
Short-term loans 139,286.4   88,557.5
Accounts payable (including related parties) 41,230.0   41,095.0
Payables to contractors and equipment suppliers 107,146.1   157,805.0
Accrued expenses and other current liabilities 81,877.9   71,995.7
Bonds payable 468,356.2   300,098.5
Long-term bank loans 3,255.6   2,026.3
Lease liabilities (including those classified under accrued expenses and other current liabilities) 24,296.3   23,857.6
Non-derivative financial liabilities 865,448.5   685,435.6
Derivative financial instruments [member] | Forward exchange contracts [member]      
Disclosure of detailed information about financial instruments [line items]      
Outflows 202,441.8   177,764.2
Inflows (201,256.3)   (181,458.0)
Derivative financial instruments 1,185.5   (3,693.8)
Less than 1 year [member]      
Disclosure of detailed information about financial instruments [line items]      
Total non-derivative and derivative financial instruments 377,493.2   363,119.6
Less than 1 year [member] | Non-derivative financial liabilities [member]      
Disclosure of detailed information about financial instruments [line items]      
Short-term loans 139,286.4   88,557.5
Accounts payable (including related parties) 41,230.0   41,095.0
Payables to contractors and equipment suppliers 107,146.1   157,805.0
Accrued expenses and other current liabilities 81,877.9   71,995.7
Bonds payable 4,695.8   5,328.0
Long-term bank loans 15.1   8.0
Lease liabilities (including those classified under accrued expenses and other current liabilities) 2,056.4   2,024.2
Non-derivative financial liabilities 376,307.7   366,813.4
Less than 1 year [member] | Derivative financial instruments [member] | Forward exchange contracts [member]      
Disclosure of detailed information about financial instruments [line items]      
Outflows 202,441.8   177,764.2
Inflows (201,256.3)   (181,458.0)
Derivative financial instruments 1,185.5   (3,693.8)
1-3 years [member]      
Disclosure of detailed information about financial instruments [line items]      
Total non-derivative and derivative financial instruments 36,653.0   32,045.7
1-3 years [member] | Non-derivative financial liabilities [member]      
Disclosure of detailed information about financial instruments [line items]      
Bonds payable 31,394.0   27,631.6
Long-term bank loans 1,711.4   847.4
Lease liabilities (including those classified under accrued expenses and other current liabilities) 3,547.6   3,566.7
Non-derivative financial liabilities 36,653.0   32,045.7
3-5 years [member]      
Disclosure of detailed information about financial instruments [line items]      
Total non-derivative and derivative financial instruments 115,841.1   64,356.5
3-5 years [member] | Non-derivative financial liabilities [member]      
Disclosure of detailed information about financial instruments [line items]      
Bonds payable 111,057.2   59,986.8
Long-term bank loans 1,529.1   1,170.9
Lease liabilities (including those classified under accrued expenses and other current liabilities) 3,254.8   3,198.8
Non-derivative financial liabilities 115,841.1   64,356.5
More than 5 years [member]      
Disclosure of detailed information about financial instruments [line items]      
Total non-derivative and derivative financial instruments 336,646.7   222,220.0
More than 5 years [member] | Non-derivative financial liabilities [member]      
Disclosure of detailed information about financial instruments [line items]      
Bonds payable 321,209.2   207,152.1
Lease liabilities (including those classified under accrued expenses and other current liabilities) 15,437.5   15,067.9
Non-derivative financial liabilities $ 336,646.7   $ 222,220.0