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Cash and Cash Equivalents (Tables)
 12 Months Ended
Dec. 31, 2021
Cash And Cash Equivalents [Abstract]  
Summary of Cash and Cash Equivalents

 

 

December 31

 

 

 

2020

 

 

2021

 

 

 

NT$

 

 

NT$

 

 

 

(In Millions)

 

Cash

 

 

 

 

 

 

 

 

Cash on hand

 

$

487

 

 

$

440

 

Bank deposits

 

 

10,961

 

 

 

15,647

 

 

 

 

11,448

 

 

 

16,087

 

Cash equivalents (with maturities of less than three months)

 

 

 

 

 

 

 

 

Commercial papers

 

$

14,061

 

 

$

13,530

 

Negotiable certificates of deposit

 

 

2,600

 

 

 

7,500

 

Time deposits

 

 

2,308

 

 

 

2,657

 

Stimulus vouchers

 

 

3

 

 

 

5

 

 

 

 

18,972

 

 

 

23,692

 

 

 

$

30,420

 

 

$

39,779

 

 
Annual Yield Rates of Bank Deposits, Commercial Paper, Negotiable Certificates of Deposit and Time Deposits and Repurchase Agreements Collateralized by Bonds

The annual yield rates of bank deposits, commercial papers, negotiable certificates of deposit and time deposits as of balance sheet dates were as follows:

 

 

December 31

 

 

2020

 

2021

Bank deposits

 

0.00%-0.40%

 

0.00%-0.45%

Commercial papers

 

0.14%-0.26%

 

0.17%-0.30%

Negotiable certificates of deposit

 

0.24%-0.30%

 

0.27%-0.30%

Time deposits

 

0.10%-3.60%

 

0.01%-3.60%