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Inventories (Tables)
 12 Months Ended
Dec. 31, 2017
Classes Of Inventories [Abstract]  
Summary of Inventories

 

 

 

December 31

 

 

 

2016

 

 

2017

 

 

 

NT$

 

 

NT$

 

 

 

(In Millions)

 

Merchandise

 

$

4,136

 

 

$

5,133

 

Project in process

 

 

961

 

 

 

1,390

 

Work in process

 

 

109

 

 

 

152

 

Raw materials

 

 

143

 

 

 

89

 

 

 

 

5,349

 

 

 

6,764

 

Land held under development

 

 

1,999

 

 

 

1,999

 

Construction in progress

 

 

75

 

 

 

77

 

 

 

$

7,423

 

 

$

8,840