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Operating Lease Arrangements (Tables)

12 Months Ended

Dec. 31, 2017

Disclosure Of Finance Lease And Operating Lease By Lessor [Abstract]

Future Aggregate Minimum Lease Payments Under Non-cancellable Operating Leases

The future aggregate minimum lease payments under non-cancellable operating leases are as follows:

		December 31
		2016				2017
		NT$				NT$
		(In Millions)
Within one year		$	2,811			$	2,918
Longer than one year but within five years			5,450				5,796
Longer than five years			960				779
		$	9,221			$	9,493

Future Aggregate Minimum Lease Collection Under Non-cancellable Operating Leases

The future aggregate minimum lease collection under non-cancellable operating leases are as follows:

		December 31
		2016				2017
		NT$				NT$
		(In Millions)
Within one year		$	427			$	353
Longer than one year but within five years			600				659
Longer than five years			321				243
		$	1,348			$	1,255

X

- Definition

The disclosure of finance leases and operating leases by the lessee.

+ References

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- Definition

The disclosure of finance leases and operating leases by the lessor.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2019-01-01
-Name IAS
-Number 17
-IssueDate 2016-01-13
-Paragraph 47
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=17&date=2016-03-30&anchor=para_47&doctype=Standard
-URIDate 2016-03-31

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-Note Expiry date 2019-01-01
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-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=17&date=2016-03-30&anchor=para_56&doctype=Standard
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