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Subsidiaries (Tables)

12 Months Ended

Dec. 31, 2018

Disclosure of subsidiaries [Line Items]

Detail Information of Subsidiaries

The detail information of the subsidiaries at the end of reporting period was as follows:

						Percentage of Ownership
						December 31
Name of Investor		Name of Investee		Main Businesses and Products		2017				2018				Note
Chunghwa Telecom Co., Ltd.		Senao International Co., Ltd. (“SENAO”)		Handset and peripherals retailer; sales of CHT mobile phone plans as an agent			29				28			a)
		Light Era Development Co., Ltd. (“LED”)		Planning and development of real estate and intelligent buildings, and property management			100				100
		Donghwa Telecom Co., Ltd. (“DHT”)		International private leased circuit, IP VPN service, and IP transit services			100				100
		Chunghwa Telecom Singapore Pte., Ltd. (“CHTS”)		International private leased circuit, IP VPN service, and IP transit services			100				100
		Chunghwa System Integration Co., Ltd. (“CHSI”)		Providing system integration services and telecommunications equipment			100				100
		Chunghwa Investment Co., Ltd. (“CHI”)		Investment			89				89
		CHIEF Telecom Inc. (“CHIEF”)		Network integration, internet data center (“IDC”), communications integration and cloud application services			67				57			b)
		CHYP Multimedia Marketing & Communications Co., Ltd. (“CHYP”)		Digital information supply services and advertisement services			100				100
		Prime Asia Investments Group Ltd. (B.V.I.) (“Prime Asia”)		Investment			100				100
		Spring House Entertainment Tech. Inc. (“SHE”)		Software design services, internet contents production and play, and motion picture production and distribution			56				56
		Chunghwa Telecom Global, Inc. (“CHTG”)		International private leased circuit, internet services, and transit services			100				100
		Chunghwa Telecom Vietnam Co., Ltd. (“CHTV”)		Intelligent energy saving solutions, international circuit, and information and communication technology (“ICT”) services.			100				100
		Smartfun Digital Co., Ltd. (“SFD”)		Providing diversified family education digital services			65				65
		Chunghwa Telecom Japan Co., Ltd. (“CHTJ”)		International private leased circuit, IP VPN service, and IP transit services			100				100
		Chunghwa Sochamp Technology Inc. (“CHST”)		Design, development and production of Automatic License Plate Recognition software and hardware			51				51
		Honghwa International Co., Ltd. (“HHI”)		Telecommunications engineering, sales agent of mobile phone plan application and other business services			100				100
		Chunghwa Leading Photonics Tech Co., Ltd. (“CLPT”)		Production and sale of electronic components and finished products			75				75
		Chunghwa Telecom (Thailand) Co., Ltd. (“CHTT”)		International private leased circuit, IP VPN service, ICT and cloud VAS services			100				100			c)

(Continued)

Percentage of Ownership

December 31

Name of Investor

Name of Investee

Main Businesses and Products

2017

2018

Note

CHT Security Co., Ltd. (“CHTSC”)

Computing equipment installation, wholesale of computing and business machinery equipment and software, management consulting services, data processing services, digital information supply services and internet identify services

80

80

d)

New Prospect Investments Holdings Ltd. (B.V.I.) (“New Prospect”)

Investment

—

—

e)

Senao International Co., Ltd.

Senao International (Samoa) Holding Ltd. (“SIS”)

International investment

100

100

Youth Co., Ltd. (“Youth”)

Sale of information and communication technologies products

89

93

f)

Aval Technologies Co., Ltd. (“Aval”)

Sale of information and communication technologies products

100

100

SENYOUNG Insurance Agent Co., Ltd. (“SENYOUNG”)

Property and liability insurance agency

100

100

g)

Youth Co., Ltd.

ISPOT Co., Ltd. (“ISPOT”)

Sale of information and communication technologies products

100

100

Youyi Co., Ltd. (“Youyi”)

Maintenance of information and communication technologies products

100

100

Light Era Development Co., Ltd.

Taoyuan Asia Silicon Valley Innovation Co., Ltd. (“TASVI”)

Development of real estate

—

60

h)

CHIEF Telecom Inc.

Unigate Telecom Inc. (“Unigate”)

Telecommunications and internet service

100

100

Chief International Corp. (“CIC”)

Telecommunications and internet service

100

100

Shanghai Chief Telecom Co., Ltd. (“SCT”)

Telecommunications and internet service

49

49

Chunghwa System Integration Co., Ltd.

Concord Technology Co., Ltd. (“Concord”)

Investment

100

-

i)

Chunghwa Investment Co., Ltd.

Chunghwa Precision Test Tech. Co., Ltd. (“CHPT”)

Production and sale of semiconductor testing components and printed circuit board

38

34

j)

Concord Technology Co., Ltd.

Glory Network System Service (Shanghai) Co., Ltd. (“GNSS (Shanghai)”)

Design, development and production of computer and internet software, installment, maintenance and consulting services of information system integration, and sales of self-production products

—

—

k)

Chunghwa Precision Test Tech. Co., Ltd.

Chunghwa Precision Test Tech. USA Corporation (“CHPT (US)”)

Design and after-sale services of semiconductor testing components and printed circuit board

100

100

CHPT Japan Co., Ltd. (“CHPT (JP)”)

Related services of electronic parts, machinery processed products and printed circuit board

100

100

Chunghwa Precision Test Tech. International, Ltd. (“CHPT (International)”)

Wholesale and retail of electronic materials, and investment

100

100

Senao International (Samoa) Holding Ltd.

Senao International HK Limited (“SIHK”)

International investment

100

100

(Continued)

Percentage of Ownership

December 31

Name of Investor

Name of Investee

Main Businesses and Products

2017

2018

Note

Senao International HK Limited

Senao Trading (Fujian) Co., Ltd. (“STF”)

Sale of information and communication technologies products

100

100

l)

Senao International Trading (Shanghai) Co., Ltd. (“SITS”)

Sale of information and communication technologies products

100

100

Senao International Trading (Shanghai) Co., Ltd. (“SEITS”)

Maintenance of information and communication technologies products

100

—

m)

Senao International Trading (Jiangsu) Co., Ltd. (“SITJ”)

Sale of information and communication technologies products

100

100

n)

Prime Asia Investments Group Ltd. (B.V.I.)

Chunghwa Hsingta Co., Ltd. (“CHC”)

Investment

100

100

Chunghwa Hsingta Co., Ltd. (“CHC”)

Chunghwa Telecom (China) Co., Ltd. (“CTC”)

Integrated information and communication solution services for enterprise clients, and intelligent energy network service

100

100

Jiangsu Zhenhua Information Technology Company, LLC. (“JZIT”)

Providing intelligent energy saving solution and intelligent buildings services

75

—

o)

Chunghwa Precision Test Tech. International, Ltd.

Shanghai Taihua Electronic Technology Limited (“STET”)

Design of printed circuit board and related consultation service

100

100

(Concluded)

a) SENAO transferred its treasury stock to employees in June 2018 and the Company’s ownership interest in SENAO decreased to 28.18% as of December 31, 2018.  As Chunghwa controls five out of nine seats of the Board of Directors of SENAO through the support of large beneficial stockholders, the accounts of SENAO are included in the consolidated financial statements.

b) Chunghwa and CHI disposed some shares of CHIEF in June 2017 before CHIEF traded its shares on the emerging stock market according to the local requirements.  The Company’s equity ownership of CHIEF decreased to 70.43% as of December 31, 2017.  CHIEF issued new shares in March and November 2018 as its employees exercised their options.  In addition, Chunghwa and CHI disposed some shares of CHIEF in May 2018 before CHIEF traded its shares on the General Stock Market of the Taipei Exchange according to the local requirements.  Furthermore, Chunghwa and CHI did not participate in the capital increase of CHIEF in June 2018.  Therefore, the Company’s equity ownership interest in CHIEF decreased to 60.23% as of December 31, 2018.

c) Chunghwa invested 100% equity shares of Chunghwa Telecom (Thailand) Co., Ltd. (“CHTT”) in March 2017.

d) Chunghwa invested 80.27% equity shares of CHT Security Co., Ltd. (“CHTSC”) in December 2017.

e) New Prospect was approved to dissolve its business in April 2017.  The liquidation of New Prospect was completed in May 2017.

f) SENAO subscribed for all the shares in the capital increase of Youth in December 2018. Therefore, the Company’s equity ownership interest in Youth increased from 89% to 93%.

g) SENAO invested 100% equity shares of SENYOUNG Insurance Agent Co., Ltd. (“SENYOUNG”) in November 2017.

h) LED invested 60% equity shares of Taoyuan Asia Silicon Valley Innovation Co., Ltd. (“TASVI”) in March 2018.  TASVI was approved to end and dissolve its business in April 2019.  The liquidation of TASVI is still in process.

i) Concord was approved to end and dissolve its business in August 2017.  The liquidation of Concord was completed in January 2018.

j) CHI did not participate in the capital increase of CHPT in September 2017, and disposed some shares of CHPT from April to August 2018. Therefore, its ownership interest in CHPT decreased to 34.25% as of December 31, 2018.  However, considering absolute and relative size of ownership interest, and the dispersion of shares owned by the other stockholders, the management concluded that the Company has a sufficiently dominant voting interest to direct the relevant activities; hence, CHPT is deemed as a subsidiary of the Company.

k) GNSS (Shanghai) completed its liquidation in August 2017 and Concord received the proceeds from the liquidation.

l) STF was approved to end and dissolve its business in September 2018.  The liquidation of STF is still in process.

m) SEITS completed its liquidation in March 2018.

n) SITJ was approved to end and dissolve its business in April 2018.  The liquidation of SITJ was completed in March 2019.

o) JZIT completed its liquidation in December 2018 and CHC received the proceeds from the liquidation.

Detailed Information of Equity Transactions

The detailed information of the equity transactions for the years ended December 31, 2016, 2017 and 2018 was as follows:

		Year Ended December 31
		2016								2017
		CHI Disposed Some Shares of CHPT				CHI Did Not Participate in the Capital Increase of CHPT				CHI Did Not Participate in the Capital Increase of CHPT				SENAO Transferred its Treasury Stock				Chunghwa and CHI Disposed Some Shares of CHIEF
		NT$				NT$				NT$				NT$
		(In Millions)
Cash consideration received    from (paid to)    Noncontrolling interests		$	83			$	1,175			$	2,552			$	164			$	106
The proportionate share of    the carrying amount of    the net assets of the    subsidiary transferred (to)    from noncontrolling    interests			(25	)			(786	)			(1,750	)			(137	)			(29	)
Differences arising from    equity transactions		$	58			$	389			$	802			$	27			$	77
Line items for equity    transaction adjustments
Additional paid-in capital -    difference between    consideration received or    paid and the carrying    amount of the subsidiaries’    net assets upon actual    disposal or acquisition		$	58			$	—			$	—			$	—			$	77
Additional paid-in capital -    arising from changes in    equities of subsidiaries		$	—			$	389			$	802			$	27			$	—
Unappropriated earnings		$	—			$	—			$	—			$	—			$	—

		Year Ended December 31
		2018
		SENAO not Proportionately participating in the Capital Increase of Youth				SENAO Transferred its Treasury Stock				CHI Disposed Some Shares of CHPT				Chunghwa and CHI Did Not Participate in the Capital Increase of CHIEF				Chunghwa and CHI Disposed Some Shares of CHIEF				Share-Based Payment of CHIEF
		NT$				NT$				NT$				NT$								NT$
		(In Millions)
Cash consideration received    from noncontrolling interests		$	—			$	327			$	1,042			$	1,477			$	133			$	35
The proportionate share of    the carrying amount of    the net assets of the    subsidiary transferred to    noncontrolling interests			—				(272	)			(330	)			(700	)			(19	)			(24	)
Differences arising from    equity transactions		$	—			$	55			$	712			$	777			$	114			$	11
Line items for equity    transaction adjustments
Additional paid-in capital -    difference between    consideration received or    paid and the carrying    amount of the subsidiaries’    net assets upon actual    disposal or acquisition		$	—			$	—			$	712			$	—			$	114			$	—
Additional paid-in capital -    arising from changes in    equities of subsidiaries		$	—			$	55			$	—			$	777			$	—			$	11

Less than wholly owned subsidiaries that have material noncontrolling interests [Member]

Disclosure of subsidiaries [Line Items]

Detail Information of Subsidiaries

The table below shows details of less than wholly owned subsidiaries of the Company that have material noncontrolling interests:

		Place of Incorporation		Proportion of Ownership Interests and Voting Rights Held by Noncontrolling Interests
		and Principal		December 31
Subsidiaries		Place of Business		2017			2018
SENAO		Taiwan		71%			72%
CHPT		Taiwan		62%			66%

		Profit Allocated to Noncontrolling Interests												Accumulated Noncontrolling Interests
		Year Ended December 31												December 31
		2016				2017				2018				2017				2018
		NT$				NT$				NT$				NT$				NT$
						(In Millions)
SENAO		$	690			$	592			$	326			$	4,092			$	4,108
CHPT		$	341			$	431			$	477				3,513				4,022
Individually immaterial subsidiaries with    noncontrolling interests															869				1,727
														$	8,474			$	9,857

Summarized Financial Information Before Intercompany Eliminations

The summarized financial information below represents amounts before intercompany eliminations.

		December 31
		2017				2018
		NT$				NT$
		(In Millions)
Current assets		$	7,584			$	7,041
Noncurrent assets		$	2,531			$	2,527
Current liabilities		$	4,278			$	3,757
Noncurrent liabilities		$	160			$	164
Equity attributable to the parent		$	1,585			$	1,539
Equity attributable to noncontrolling interests		$	4,092			$	4,108

		Year Ended December 31
		2016				2017				2018
		NT$				NT$				NT$
						(In Millions)
Revenue and income		$	34,453			$	36,038			$	31,540
Costs and expenses			33,476				35,200				31,081
Profit for the year		$	977			$	838			$	459
Profit attributable to the parent		$	287			$	246			$	133
Profit attributable to noncontrolling interests			690				592				326
Profit for the year		$	977			$	838			$	459
Other comprehensive income (loss) attributable    to the parent		$	(21	)		$	3			$	(2	)
Other comprehensive loss attributable to    noncontrolling interests			(53	)			(17	)			(10	)
Other comprehensive loss for the year		$	(74	)		$	(14	)		$	(12	)
Total comprehensive income attributable to the    parent		$	266			$	249			$	131
Total comprehensive income attributable to    noncontrolling interests			637				575				316
Total comprehensive income for the year		$	903			$	824			$	447
Dividends paid to noncontrolling interests		$	526			$	703			$	587
Net cash flow from operating activities		$	531			$	1,081			$	696
Net cash flow from investing activities			130				(57	)			(13	)
Net cash flow from financing activities			(677	)			(897	)			(491	)
Effect of exchange rate changes on cash and cash    equivalents			(7	)			(2	)			1
Net cash inflow (outflow)		$	(23	)		$	125			$	193

The summarized financial information below represents amounts before intercompany eliminations.

		December 31
		2017				2018
		NT$				NT$
		(In Millions)
Current assets		$	4,496			$	4,417
Noncurrent assets		$	2,167			$	2,779
Current liabilities		$	965			$	1,076
Noncurrent liabilities		$	1			$	1
Equity attributable to CHI		$	2,184			$	2,097
Equity attributable to noncontrolling interests		$	3,513			$	4,022

		Year Ended December 31
		2016				2017				2018
		NT$				NT$				NT$
						(In Millions)
Revenue and income		$	2,607			$	3,127			$	3,299
Costs and expenses			2,020				2,402				2,549
Profit for the year		$	587			$	725			$	750
Profit attributable to CHI		$	246			$	294			$	273
Profit attributable to noncontrolling interests			341				431				477
Profit for the year		$	587			$	725			$	750
Other comprehensive loss attributable    to CHI		$	—			$	(1	)		$	—
Other comprehensive loss attributable to    noncontrolling interests			—				(2	)			—
Other comprehensive loss for the year		$	—			$	(3	)		$	—
Total comprehensive income attributable    to CHI		$	246			$	293			$	273
Total comprehensive income attributable to    noncontrolling interests			341				429				477
Total comprehensive income for the year		$	587			$	722			$	750
Dividends paid to noncontrolling interests		$	109			$	146			$	210
Net cash flow from operating activities		$	671			$	1,052			$	862
Net cash flow from investing activities			(904	)			(639	)			(733	)
Net cash flow from financing activities			841				2,306				(328	)
Effect of exchange rate changes on cash and cash    equivalents			(2	)			(4	)			1
Net cash inflow (outflow)		$	606			$	2,715			$	(198	)

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