Goodwill And Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill And Other Intangible Assets

Summary Of Changes In Carrying Amount Of Goodwill, By Segment [Table Text Block]

	Business Solutions			Entertainment Group		Consumer Mobility		International		Total
Balance as of December 31, 2015	$	45,351	$	38,673	$	16,512	$	4,032	$	104,568
Goodwill acquired		22		380		14		65		481
Foreign currency translation adjustments		-		-		-		167		167
Other		(9)		-		-		-		(9)
Balance as of December 31, 2016		45,364		39,053		16,526		4,264		105,207
Goodwill acquired		-		210		-		-		210
Foreign currency translation adjustments		-		12		-		(30)		(18)
Other		31		5		14		-		50
Balance as of December 31, 2017	$	45,395	$	39,280	$	16,540	$	4,234	$	105,449

Schedule Of Amortized Intangible Assets [Table Text Block]

	December 31, 2017							December 31, 2016
Other Intangible Assets		Gross Carrying Amount		Currency Translation Adjustment		Accumulated Amortization		Gross Carrying Amount		Currency Translation Adjustment		Accumulated Amortization
Amortized intangible assets:
Customer lists and relationships:
Wireless acquisitions	$	764	$	-	$	683	$	942	$	-	$	715
BellSouth Corporation		2,370		-		2,370		4,450		-		4,429
DIRECTV		19,551		(141)		8,950		19,547		(125)		5,618
AT&T Corp.		33		-		29		33		-		26
Mexican wireless		506		(97)		278		506		(108)		214
Subtotal		23,224		(238)		12,310		25,478		(233)		11,002
Trade names		2,942		(6)		2,366		2,942		(7)		1,394
Other		781		(3)		335		707		(3)		283
Total	$	26,947	$	(247)	$	15,011	$	29,127	$	(243)	$	12,679
Indefinite-lived intangible assets not subject to amortization:
Licenses:
Wireless licenses	$	84,434					$	82,474
Orbital slots		11,702						11,702
Trade names		6,451						6,479
Total	$	102,587					$	100,655