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Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2019

TextBlock [abstract]

Summary of Significant Transactions between the Company and Other Related Parties

b. Net revenue

				Years Ended December 31
				2017				2018				2019
				NT$				NT$				NT$
				(In Millions)				(In Millions)				(In Millions)
Item		Related Party Categories
Net revenue from sale of goods		Associates		$	8,496.0			$	8,980.1			$	6,253.9
		Other related parties			0.1				0.3				—
				$	8,496.1			$	8,980.4			$	6,253.9
Net revenue from royalties		Associates		$	482.5			$	362.3			$	183.6

c. Purchases

				Years Ended December 31
				2017				2018				2019
				NT$				NT$				NT$
				(In Millions)				(In Millions)				(In Millions)
Related Party Categories
Associates				$	9,904.6			$	8,809.5			$	6,301.4

d. Receivables from related parties

				December 31, 2018				December 31, 2019
				NT$				NT$
				(In Millions)				(In Millions)
Item		Related Party Name/Categories
Receivables from related parties		GUC		$	481.9			$	741.9
		Xintec			102.5				120.2
				$	584.4			$	862.1
Other receivables from related parties		SSMC		$	53.8			$	46.5
		VIS			10.4				3.9
		Other associates			0.8				1.2
				$	65.0			$	51.6

e. Payables to related parties

				December 31, 2018				December 31, 2019
				NT$				NT$
				(In Millions)				(In Millions)
Item		Related Party Name/Categories
Payables to related parties		Xintec		$	649.8			$	736.9
		SSMC			362.6				487.9
		VIS			357.1				154.0
		Others			7.0				56.1
				$	1,376.5			$	1,434.9

f. Others

				Years Ended December 31
				2017				2018				2019
				NT$				NT$				NT$
				(In Millions)				(In Millions)				(In Millions)
Item		Related Party Categories
Manufacturing expenses		Associates		$	2,196.1			$	2,974.6			$	2,823.0
Research and development expenses		Associates		$	69.8			$	83.1			$	163.4
General and administrative expenses		Other related parties		$	101.5			$	120.8			$	120.0

Compensation to Directors and Other Key Management Personnel

The compensation to directors and other key management personnel for the years ended December 31, 2017, 2018 and 2019 were as follows:

				Years Ended December 31
				2017				2018				2019
				NT$				NT$				NT$
				(In Millions)				(In Millions)				(In Millions)
Short-term employee benefits				$	2,170.3			$	2,004.9			$	1,922.2
Post-employment benefits					3.7				3.4				2.7
				$	2,174.0			$	2,008.3			$	1,924.9

X

- Definition

The disclosure of information about key management personnel. [Refer: Key management personnel of entity or parent [member]]

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The disclosure of transactions between the entity and its related parties. [Refer: Related parties [member]]

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