XML 177 R150.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Cash Flow Information - Schedule of Detailed Information about Non Cash Transaction (Detail)
$ in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2023
TWD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
TWD ($)
Dec. 31, 2021
TWD ($)
Disclosure of detailed information about non-cash transaction [line items]        
Payments for acquisition of financial assets at FVTOCI $ 62,752.0 $ 2,049.4 $ 54,566.7 $ 255,888.7
Payments for acquisition of property, plant and equipment 949,816.8 $ 31,019.5 1,082,672.1 839,195.7
Acquisition of financial assets at FVTOCI [Member]        
Disclosure of detailed information about non-cash transaction [line items]        
Additions of financial assets at FVTOCI 62,779.0   45,126.2 253,613.9
Discontinuation of significant influence from investment accounted for using the equity method (10.7)      
Conversion of convertible bonds into equity securities (145.1)   0.0 0.0
Exchange of equity instruments 0.0   0.0 (106.2)
Payments for acquisition of financial assets at FVTOCI 62,752.0   54,566.7 255,888.7
Changes in accrued expenses and other current liabilities 128.8   9,440.5 2,381.0
Disposal of financial assets at FVTOCI [Member]        
Disclosure of detailed information about non-cash transaction [line items]        
Changes in other financial assets 351.7   1,832.5 3,509.3
Exchange of equity instruments 0.0   0.0 (106.2)
Disposal of financial assets at FVTOCI 35,346.9   43,130.9 251,201.4
Proceeds from disposal of financial assets at FVTOCI 35,698.6   44,963.4 254,604.5
Property, plant and equipment [member]        
Disclosure of detailed information about non-cash transaction [line items]        
Additions of property, plant and equipment 897,557.1   1,139,892.1 835,406.3
Changes in other financial assets 44.5   5,730.1 1,934.0
Exchange of assets (78.0)   (275.6) (3,256.5)
Changes in payables to contractors and equipment suppliers 40,750.2   (60,638.2) 5,153.3
Changes in accrued expenses and other current liabilities 17,832.8   630.6 0.0
Capitalized interests (6,329.7)   (2,666.9) 0.0
Transferred to initial carrying amount of hedged items 39.9   0.0 (41.4)
Payments for acquisition of property, plant and equipment $ 949,816.8   $ 1,082,672.1 $ 839,195.7