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Pledged Assets (Tables)
 12 Months Ended
Dec. 31, 2021
Disclosure Of Collateral [Abstract]  
Assets Pledged as Collaterals

 

 

December 31

 

 

 

2020

 

 

2021

 

 

 

NT$

 

 

NT$

 

 

 

(In Millions)

 

Property, plant and equipment

 

$

2,462

 

 

$

2,432

 

Land held under development (included in inventories)

 

 

1,999

 

 

 

—

 

Restricted assets (included in other assets - others)

 

 

209

 

 

 

163

 

 

 

$

4,670

 

 

$

2,595