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Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2020

Text Block [Abstract]

Summary of Significant Transactions between the Company and Other Related Parties

b. Net revenue

				Years Ended December 31
				2018				2019				2020
				NT$				NT$				NT$
				(In Millions)				(In Millions)				(In Millions)
Item		Related Party Categories
Net revenue from sale of goods		Associates		$	8,980.1			$	6,253.9			$	8,129.8
		Other related parties			0.3				—				—
				$	8,980.4			$	6,253.9			$	8,129.8
Net revenue from royalties		Associates		$	362.3			$	183.6			$	195.1

c. Purchases

				Years Ended December 31
				2018				2019				2020
				NT$				NT$				NT$
				(In Millions)				(In Millions)				(In Millions)
Related Party Categories
Associates				$	8,809.5			$	6,301.4			$	7,606.4

d. Receivables from related parties

				December 31, 2019				December 31, 2020
				NT$				NT$
				(In Millions)				(In Millions)
Item		Related Party Name/Categories
Receivables from related parties		GUC		$	741.9			$	370.6
		Xintec			120.2				187.5
				$	862.1			$	558.1
Other receivables from related parties		SSMC		$	46.5			$	45.3
		VIS			3.9				4.3
		Other associates			1.2				1.0
				$	51.6			$	50.6

e. Payables to related parties

				December 31, 2019				December 31, 2020
				NT$				NT$
				(In Millions)				(In Millions)
Item		Related Party Name/Categories
Payables to related parties		Xintec		$	736.9			$	1,358.6
		SSMC			487.9				400.8
		VIS			154.0				311.4
		Other associates			56.1				36.9
				$	1,434.9			$	2,107.7

f. Others

				Years Ended December 31
				2018				2019				2020
				NT$				NT$				NT$
				(In Millions)				(In Millions)				(In Millions)
Item		Related Party Categories
Manufacturing expenses		Associates		$	2,974.6			$	2,823.0			$	5,440.0
Research and development expenses		Associates		$	83.1			$	163.4			$	256.5
General and administrative expenses		Other related parties		$	120.8			$	120.0			$	120.0

Compensation to Directors and Other Key Management Personnel

The compensation to directors and other key management personnel were as follows:

				Years Ended December 31
				2018				2019				2020
				NT$				NT$				NT$
				(In Millions)				(In Millions)				(In Millions)
Short-term employee benefits				$	2,004.9			$	1,922.2			$	2,666.7
Post-employment benefits					3.4				2.7				2.3
				$	2,008.3			$	1,924.9			$	2,669.0

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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