Segment Information (Tables)

12 Months Ended

Dec. 31, 2021

Analysis by reportable segment of revenues and operating results of continuing operations are as follows:

	Domestic Fixed Communi- cations Business		Mobile Communi- cations Business		Internet Business		International Fixed Communi- cations Business		Others			Total
	NT$		NT$		NT$		NT$		NT$			NT$
	(In Millions)
Year ended December 31, 2019
Revenues
From external customers	$	65,728	$	95,469	$	30,091	$	11,485	$	4,747		$	207,520
Intersegment revenues		16,065		1,564		3,951		2,079		4,914			28,573
Segment revenues	$	81,793	$	97,033	$	34,042	$	13,564	$	9,661			236,093
Intersegment elimination													(28,573	)
Consolidated revenues												$	207,520
Segment income (loss) before income tax	$	19,537	$	11,250	$	12,515	$	799	$	(2,234	)	$	41,867

Year ended December 31, 2020
Revenues
From external customers	$	69,469	$	90,230	$	32,115	$	8,695	$	7,100		$	207,609
Intersegment revenues		15,930		1,536		3,966		1,875		5,369			28,676
Segment revenues	$	85,399	$	91,766	$	36,081	$	10,570	$	12,469			236,285
Intersegment elimination													(28,676	)
Consolidated revenues												$	207,609
Segment income (loss) before income tax	$	22,504	$	8,777	$	13,120	$	829	$	(2,404	)	$	42,826

Year ended December 31, 2021
Revenues
From external customers	$	64,780	$	95,249	$	33,082	$	9,096	$	8,271		$	210,478
Intersegment revenues		17,430		1,588		3,869		2,009		6,260			31,156
Segment revenues	$	82,210	$	96,837	$	36,951	$	11,105	$	14,531			241,634
Intersegment elimination													(31,156	)
Consolidated revenues												$	210,478
Segment income (loss) before income tax	$	26,142	$	6,362	$	14,512	$	1,165	$	(2,114	)	$	46,067

Other information reviewed by the chief operating decision maker or regularly provided to the chief operating decision maker was as follows:

For the year ended December 31, 2019

	Domestic Fixed Communi- cations Business		Mobile Communi- cations Business		Internet Business		International Fixed Communi- cations Business		Others		Total
	NT$		NT$		NT$		NT$		NT$		NT$
	(In Millions)
Share of profits of associates and joint ventures accounted for using equity method	$	—	$	—	$	—	$	—	$	459	$	459
Interest income	$	15	$	9	$	20	$	41	$	166	$	251
Interest expenses	$	5	$	58	$	1	$	12	$	28	$	104
Operating costs and expenses	$	56,269	$	72,952	$	13,850	$	11,427	$	12,249	$	166,747
Depreciation and amortization	$	14,842	$	16,254	$	2,914	$	1,547	$	792	$	36,349
Capital expenditure	$	12,071	$	7,773	$	1,425	$	1,117	$	1,780	$	24,166
Impairment loss on property, plant and equipment	$	—	$	—	$	—	$	—	$	93	$	93
Reversal of impairment loss on investment properties	$	57	$	—	$	—	$	—	$	—	$	57
Impairment loss on intangible assets	$	—	$	9	$	—	$	—	$	—	$	9
Impairment loss on other assets	$	13	$	—	$	13	$	—	$	18	$	44

For the year ended December 31, 2020

	Domestic Fixed Communi- cations Business		Mobile Communi- cations Business			Internet Business		International Fixed Communi- cations Business		Others			Total
	NT$		NT$			NT$		NT$		NT$			NT$
	(In Millions)
Share of profits of associates and joint ventures accounted for using equity method	$	—	$	—		$	—	$	—	$	244		$	244
Interest income	$	13	$	5		$	17	$	22	$	59		$	116
Interest expenses	$	6	$	56		$	1	$	10	$	133		$	206
Operating costs and expenses	$	59,371	$	69,211		$	15,241	$	8,573	$	14,447		$	166,843
Depreciation and amortization	$	14,250	$	17,800		$	2,669	$	1,450	$	969		$	37,138
Capital expenditure	$	11,483	$	8,827		$	1,397	$	779	$	1,025		$	23,511
Gain (loss) on disposal of property, plant and equipment	$	1,442	$	(3	)	$	—	$	—	$	(11	)	$	1,428
Gain on disposal of investment properties	$	151	$	—		$	—	$	—	$	—		$	151
Reversal of impairment loss on investment properties	$	27	$	—		$	—	$	—	$	—		$	27
Impairment loss on intangible assets	$	—	$	9		$	—	$	—	$	—		$	9

For the year ended December 31, 2021

	Domestic Fixed Communi- cations Business		Mobile Communi- cations Business		Internet Business		International Fixed Communi- cations Business		Others		Total
	NT$		NT$		NT$		NT$		NT$		NT$
	(In Millions)
Share of profits of associates and joint ventures accounted for using equity method	$	—	$	—	$	—	$	—	$	421	$	421
Interest income	$	7	$	4	$	13	$	5	$	66	$	95
Interest expenses	$	4	$	48	$	1	$	8	$	157	$	218
Operating costs and expenses	$	51,013	$	74,973	$	14,150	$	8,409	$	16,634	$	165,179
Depreciation and amortization	$	13,978	$	20,313	$	2,471	$	1,417	$	1,037	$	39,216
Capital expenditure	$	13,299	$	16,809	$	2,943	$	445	$	1,837	$	35,333
Impairment loss on right-of-use assets	$	—	$	—	$	—	$	420	$	—	$	420
Reversal of impairment loss on investment properties	$	83	$	—	$	—	$	—	$	—	$	83
Impairment loss on intangible assets	$	—	$	29	$	—	$	—	$	—	$	29

The following is an analysis of the Company’s revenue from its major products and services.

	Year Ended December 31
	2019		2020		2021
	NT$		NT$		NT$
	(In Millions)
Mobile services revenue	$	58,703	$	56,724	$	58,048
Sales of products		41,593		39,391		42,907
Local telephone and domestic long distance telephone services revenue		27,929		26,475		25,704
Broadband access and domestic leased line services revenue		22,116		22,420		23,012
Data communications internet services revenue		21,003		21,447		22,281
International network and leased line services revenue		7,066		3,884		4,367
Others		29,110		37,268		34,159
	$	207,520	$	207,609	$	210,478

The geographic information for revenues was as follows: