XML 166 R148.htm IDEA: XBRL DOCUMENT v3.22.1
Cash Flow Information - Schedule of Detailed Information about Non Cash Transaction (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 non-cash transaction [line items]        
Conversion of convertible bonds into equity securities $ 0.0   $ (120.5) $ 0.0
Additions of financial assets at FVTOCI 253,613.9   268,653.5 257,824.5
Payments for acquisition of financial assets at FVTOCI 255,888.7 $ 9,224.5 262,637.5 257,558.2
Disposal of financial assets at FVTOCI 251,201.4   269,011.8 229,525.1
Additions of property, plant and equipment 835,406.3   525,720.7 564,283.0
Exchange of assets (3,256.5)   (1.1) (3,287.1)
Changes in other financial assets 2.9   10.5 22.2
Exchange of equity instruments (106.2)      
Proceeds from disposal of financial assets at FVTOCI 254,604.5   266,931.9 230,444.5
Transferred to initial carrying amount of hedged items (41.4)   20.3 (82.3)
Changes in payables to contractors and equipment suppliers 5,153.3   (19,085.9) (100,963.9)
Payments for acquisition of property, plant and equipment 839,195.7 30,252.2 507,238.7 460,422.2
Changes in account payable 8,298.3 299.2 404.6 5,860.1
Changes in accrued expenses and other current liabilities 2,381.0   (5,895.5) (266.3)
Payments for acquisition of intangible assets 9,040.7 $ 325.9 9,542.4 9,329.9
Intangible assets [member]        
Disclosure of detailed information about non-cash transaction [line items]        
Additions of intangible assets 9,318.5   12,559.5 9,237.7
Changes in account payable 0.0   191.4 70.0
Changes in accrued expenses and other current liabilities (280.7)   (3,219.0)  
Financial assets measured at fair value through other comprehensive income, category [member]        
Disclosure of detailed information about non-cash transaction [line items]        
Changes in other financial assets 3,509.3   (2,079.9) 919.4
Payments for acquisition of intangible assets 9,040.7   9,542.4 9,329.9
Property, plant and equipment [member]        
Disclosure of detailed information about non-cash transaction [line items]        
Changes in other financial assets $ 1,934.0   $ 584.7 $ 472.5