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Related Party Transactions (Tables)

6 Months Ended

Jun. 30, 2021

Text Block [Abstract]

Summary of Significant Transactions between the Company and Other Related Parties

b. Net revenue

				Six Months Ended June 30
				2020				2021
				NT$				NT$
				(In Millions)				(In Millions)
Item		Related Party Categories
Net revenue from sale of goods		Associates		$	3,681.9			$	3,447.1
Net revenue from royalties		Associates		$	103.4			$	105.0

c. Purchases

				Six Months Ended June 30
				2020				2021
				NT$				NT$
				(In Millions)				(In Millions)
Related Party Categories
Associates				$	3,733.3			$	3,903.1

d. Receivables from related parties

				December 31, 2020				June 30, 2021
				NT$				NT$
				(In Millions)				(In Millions)
Item		Related Party Name/Categories
Receivables from related parties		GUC		$	370.6			$	675.5
		Xintec			187.5				108.9
				$	558.1			$	784.4

				December 31, 2020				June 30, 2021
				NT$				NT$
				(In Millions)				(In Millions)
Item		Related Party Name/Categories
Other receivables from related parties		VIS		$	4.3			$	1,639.7
		SSMC			45.3				48.9
		Others			1.0				23.1
				$	50.6			$	1,711.7

e. Payables to related parties

				December 31, 2020				June 30, 2021
				NT$				NT$
				(In Millions)				(In Millions)
Item		Related Party Name/Categories
Payables to related parties		Xintec		$	1,358.6			$	727.6
		SSMC			400.8				412.2
		VIS			311.4				334.1
		Others			36.9				30.3
				$	2,107.7			$	1,504.2

f. Accrued expenses and other current liabilities

				December 31, 2020				June 30, 2021
				NT$				NT$
				(In Millions)				(In Millions)
Item		Related Party Categories
Contract liabilities		Associates		$	—			$	333.1

g. Others

				Six Months Ended June 30
				2020				2021
				NT$				NT$
				(In Millions)				(In Millions)
Item		Related Party Categories
Manufacturing expenses		Associates		$	1,822.0			$	2,566.5
Research and development expenses		Associates		$	87.3			$	81.9
General and administrative expenses		Other related parties		$	60.0			$	70.0

Compensation to Directors and Other Key Management Personnel

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

		Six Months Ended June 30
		2020				2021
		NT$				NT$
		(In Millions)				(In Millions)
Short-term employee benefits		$	1,207.4			$	1,302.5
Post-employment benefits			1.3				1.5
		$	1,208.7			$	1,304.0

X

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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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