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Operating Lease Arrangements (Tables)

12 Months Ended

Dec. 31, 2018

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
		2017				2018
		NT$				NT$
		(In Millions)
Within one year		$	2,918			$	3,439
Longer than one year but within five years			5,796				6,375
Longer than five years			779				744
		$	9,493			$	10,558

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
		2017				2018
		NT$				NT$
		(In Millions)
Within one year		$	353			$	344
Longer than one year but within five years			659				580
Longer than five years			243				206
		$	1,255			$	1,130

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2019-01-01
-Name IAS
-Number 17
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-URIDate 2018-03-16

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2019-01-01
-Name IAS
-Number 17
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-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=17&date=2018-03-02&anchor=para_35&doctype=Standard&book=b
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X

- 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 2018-01-01
-Paragraph 47
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=17&date=2018-03-02&anchor=para_47&doctype=Standard&book=b
-URIDate 2018-03-16

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2019-01-01
-Name IAS
-Number 17
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-Paragraph 56
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=17&date=2018-03-02&anchor=para_56&doctype=Standard&book=b
-URIDate 2018-03-16

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