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Financial Instruments at Fair Value Through Profit or Loss (Tables)
 12 Months Ended
Dec. 31, 2017
Disclosure Of Financial Instruments [Abstract]  
Summary of Financial Instruments at Fair Value through Profit or Loss

 

 

December 31

 

 

 

2016

 

 

2017

 

 

 

NT$

 

 

NT$

 

 

 

(In Millions)

 

Financial assets held for trading

 

 

 

 

 

 

 

 

Derivatives (not designated for hedge)

 

 

 

 

 

 

 

 

Forward exchange contracts

 

$

—

 

 

$

—

 

 

 

 

 

 

 

 

 

 

Financial liabilities held for trading

 

 

 

 

 

 

 

 

Derivatives (not designated for hedge)

 

 

 

 

 

 

 

 

Forward exchange contracts

 

$

1

 

 

$

1

 

 
Outstanding Forward Exchange Contracts Not Designated for Hedge

Outstanding forward exchange contracts not designated for hedge as of balance sheet dates were as follows:

 

 

 

 

 

Maturity

 

Contract

Amount

 

 

Currency

 

Period

 

(In Millions)

December 31, 2016

 

 

 

 

 

 

Forward exchange contracts - buy

 

EUR/NT$

 

2017.03

 

EUR5/NT$167

Forward exchange contracts - buy

 

US$/NT$

 

2017.01

 

US$2/NT$55

 

 

 

 

 

 

 

December 31, 2017

 

 

 

 

 

 

Forward exchange contracts - buy

 

EUR/NT$

 

2018.03-06

 

EUR2/NT$69

Forward exchange contracts - buy

 

US$/NT$

 

2018.01

 

US$4/NT$125