Segment Information (Tables)

12 Months Ended

Dec. 31, 2017

Segment Information

Reconciliation of Revenue from Segments to Consolidated [Table Text Block]

For the year ended December 31, 2017
		Revenues		Operations and Support Expenses		EBITDA		Depreciation and Amortization		Operating Income (Loss)		Equity in Net Income (Loss) of Affiliates		Segment Contribution
Business Solutions	$	69,406	$	42,929	$	26,477	$	9,326	$	17,151	$	(1)	$	17,150
Entertainment Group		50,698		39,420		11,278		5,623		5,655		(30)		5,625
Consumer Mobility		31,552		18,966		12,586		3,507		9,079		-		9,079
International		8,269		7,404		865		1,218		(353)		87		(266)
Segment Total		159,925		108,719		51,206		19,674		31,532	$	56	$	31,588
Corporate and Other		864		554		310		72		238
Acquisition-related items		-		798		(798)		4,608		(5,406)
Certain significant items		(243)		5,139		(5,382)		33		(5,415)
AT&T Inc.	$	160,546	$	115,210	$	45,336	$	24,387	$	20,949
For the year ended December 31, 2016
		Revenues		Operations and Support Expenses		EBITDA		Depreciation and Amortization		Operating Income (Loss)		Equity in Net Income (Loss) of Affiliates		Segment Contribution
Business Solutions	$	70,988	$	44,330	$	26,658	$	9,832	$	16,826	$	-	$	16,826
Entertainment Group		51,295		39,338		11,957		5,862		6,095		9		6,104
Consumer Mobility		33,200		19,659		13,541		3,716		9,825		-		9,825
International		7,283		6,830		453		1,166		(713)		52		(661)
Segment Total		162,766		110,157		52,609		20,576		32,033	$	61	$	32,094
Corporate and Other		1,043		1,173		(130)		65		(195)
Acquisition-related items		-		1,203		(1,203)		5,177		(6,380)
Certain significant items		(23)		1,059		(1,082)		29		(1,111)
AT&T Inc.	$	163,786	$	113,592	$	50,194	$	25,847	$	24,347

For the year ended December 31, 2015
		Revenues		Operations and Support Expenses		EBITDA		Depreciation and Amortization		Operating Income (Loss)		Equity in Net Income (Loss) of Affiliates		Segment Contribution
Business Solutions	$	71,127	$	44,946	$	26,181	$	9,789	$	16,392	$	-	$	16,392
Entertainment Group		35,294		28,345		6,949		4,945		2,004		(4)		2,000
Consumer Mobility		35,066		21,477		13,589		3,851		9,738		-		9,738
International		4,102		3,930		172		655		(483)		(5)		(488)
Segment Total		145,589		98,698		46,891		19,240		27,651	$	(9)	$	27,642
Corporate and Other		1,297		1,057		240		64		176
Acquisition-related items		(85)		1,987		(2,072)		2,712		(4,784)
Certain significant items		-		(1,742)		1,742		-		1,742
AT&T Inc.	$	146,801	$	100,000	$	46,801	$	22,016	$	24,785

Reconciliation of Operating Income (Loss) from Segments to Consolidated [Table Text Block]

The following table is a reconciliation of operating income (loss) to "Income Before Income Taxes" reported in our consolidated statements of income:
		2017		2016		2015
Business Solutions	$	17,150	$	16,826	$	16,392
Entertainment Group		5,625		6,104		2,000
Consumer Mobility		9,079		9,825		9,738
International		(266)		(661)		(488)
Segment Contribution		31,588		32,094		27,642
Reconciling Items:
Corporate and Other		238		(195)		176
Merger and integration charges		(798)		(1,203)		(2,072)
Amortization of intangibles acquired		(4,608)		(5,177)		(2,712)
Actuarial gain (loss)		(1,258)		(1,024)		2,152
Employee separation costs		(445)		(344)		(375)
Tax reform special bonus		(220)		-		-
Gain on wireless spectrum transactions		181		714		-
Natural disaster costs and revenue credits		(627)		(67)		-
Asset abandonments and impairments		(3,046)		(390)		(35)
Segment equity in net income (loss) of affiliates		(56)		(61)		9
AT&T Operating Income		20,949		24,347		24,785
Interest expense		6,300		4,910		4,120
Equity in net income (loss) of affiliates		(128)		98		79
Other income (expense) - net		618		277		(52)
Income Before Income Taxes	$	15,139	$	19,812	$	20,692

Schedule of Revenues by Geographic Region [Table Text Block]

The following table sets forth revenues earned from customers, and property, plant and equipment located in different geographic areas.
		2017				2016				2015
		Revenues		Net Property, Plant & Equipment		Revenues		Net Property, Plant & Equipment		Revenues		Net Property, Plant & Equipment
United States	$	149,841	$	118,200	$	154,039	$	118,664	$	140,234	$	118,515
Latin America
Brazil		2,948		1,447		2,797		1,265		1,224		1,384
Other		2,743		1,294		2,348		1,828		1,157		1,530
Mexico		2,913		3,619		2,472		2,520		2,046		2,369
Other		2,101		662		2,130		622		2,140		652
Total	$	160,546	$	125,222	$	163,786	$	124,899	$	146,801	$	124,450