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Intangible Assets

12 Months Ended

Dec. 31, 2019

17.	INTANGIBLE ASSETS


	Goodwill			Technology License Fees			Software and System Design Costs			Patent and Others			Total
	NT$			NT$			NT$			NT$			NT$
	(In Millions)			(In Millions)			(In Millions)			(In Millions)			(In Millions)
Cost
Balance at January 1, 2017	$	6,008.0		$	9,546.0		$	22,243.6		$	5,386.4		$	43,184.0
Additions		—			897.9			3,021.1			349.2			4,268.2
Retirements		—			—			(75.2	)		—			(75.2	)
Reclassification		—			—			7.7			(18.0	)		(10.3	)
Effect of disposal of subsidiary		(13.5	)		—			(7.7	)		—			(21.2	)
Effect of exchange rate changes		(345.8	)		(0.6	)		(3.2	)		(1.6	)		(351.2	)


Balance at December 31, 2017	$	5,648.7		$	10,443.3		$	25,186.3		$	5,716.0		$	46,994.3


Accumulated amortization and impairment
Balance at January 1, 2017	$	—		$	6,147.2		$	18,144.5		$	4,277.5		$	28,569.2
Additions		—			1,548.3			2,310.7			487.7			4,346.7
Retirements		—			—			(75.2	)		—			(75.2	)
Reclassification		—			—			7.4			(17.1	)		(9.7	)
Impairment		13.5			—			—			—			13.5
Effect of disposal of subsidiary		(13.5	)		—			(7.6	)		—			(21.1	)
Effect of exchange rate changes		—			(0.6	)		(3.1	)		(0.6	)		(4.3	)


Balance at December 31, 2017	$	—		$	7,694.9		$	20,376.7		$	4,747.5		$	32,819.1


Carrying amounts at December 31, 2017	$	5,648.7		$	2,748.4		$	4,809.6		$	968.5		$	14,175.2

Cost
Balance at January 1, 2018	$	5,648.7		$	10,443.3		$	25,186.3		$	5,716.0		$	46,994.3
Additions		—			533.7			4,601.9			1,969.4			7,105.0
Disposals or retirements		—			—			(186.7	)		(31.2	)		(217.9	)
Effect of exchange rate changes		146.8			(2.5	)		(6.9	)		2.1			139.5


Balance at December 31, 2018	$	5,795.5		$	10,974.5		$	29,594.6		$	7,656.3		$	54,020.9


Accumulated amortization and impairment
Balance at January 1, 2018	$	—		$	7,694.9		$	20,376.7		$	4,747.5		$	32,819.1
Additions		—			1,063.6			2,835.3			522.5			4,421.4
Disposals or retirements		—			—			(186.6	)		(31.2	)		(217.8	)
Effect of exchange rate changes		—			(2.5	)		(1.7	)		0.3			(3.9	)


Balance at December 31, 2018	$	—		$	8,756.0		$	23,023.7		$	5,239.1		$	37,018.8


Carrying amounts at December 31, 2018	$	5,795.5		$	2,218.5		$	6,570.9		$	2,417.2		$	17,002.1


Cost
Balance at January 1, 2019	$	5,795.5		$	10,974.5		$	29,594.6		$	7,656.3		$	54,020.9
Additions		—			4,879.6			3,710.4			647.8			9,237.8
Disposals or retirements		—			—			(260.9	)		—			(260.9	)
Effect of exchange rate changes		(102.1	)		0.9			(20.1	)		(1.2	)		(122.5	)


Balance at December 31, 2019	$	5,693.4		$	15,855.0		$	33,024.0		$	8,302.9		$	62,875.3


Accumulated amortization and impairment
Balance at January 1, 2019	$	—		$	8,756.0		$	23,023.7		$	5,239.1		$	37,018.8
Additions		—			1,066.9			3,747.3			658.2			5,472.4
Disposals or retirements		—			—			(258.6	)		—			(258.6	)
Effect of exchange rate changes		—			0.9			(10.3	)		(0.9	)		(10.3	)


Balance at December 31, 2019	$	—		$	9,823.8		$	26,502.1		$	5,896.4		$	42,222.3


Carrying amounts at December 31, 2019	$	5,693.4		$	6,031.2		$	6,521.9		$	2,406.5		$	20,653.0

The Company’s goodwill has been tested for impairment at the end of the annual reporting period and the recoverable amount is determined based on the value in use. The value in use was calculated based on the cash flow forecast from the financial budgets covering the future five-year period, and the Company used annual discount rates of 9.0% and 8.0% in its test of impairment as of December 31, 2018 and 2019, respectively, to reflect the relevant specific risk in the cash-generating unit.

For the year ended December 31, 2017, the Company assessed goodwill impairment and recognized an impairment loss of NT$13.5 million related to a subsidiary since the operating result of this cash generating unit was not as expected and the recoverable amount of goodwill was nil. Such impairment loss was recognized in other operating income and expenses. For the years ended December 31, 2018 and 2019, the Company did not recognize any impairment loss on goodwill.