Summary Of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2015

New Accounting Pronouncements and Changes in Accounting Principles

Schedule of New Accounting Pronouncements and Changes in Accounting Principles

		Historical Accounting Method		Effect of Voluntary Change		Effect of Adoption of New ASUs		As Adjusted
At December 31, 2015 or for the year ended
Other cost of services		$	36,038	$	(256)	$	-	$	35,782
Income tax expense			6,908		97		-		7,005
Net Income			13,528		159		-		13,687
Net Income Attributable to AT&T			13,186		159		-		13,345
Basic Earnings per Share Attributable to AT&T		$	2.34	$	0.03	$	-	$	2.37
Diluted Earnings per Share Attributable to AT&T			2.34		0.03		-		2.37
Other current assets		$	12,225	$	1,588	$	(546) 2	$	13,267
Other Assets			12,605		3,064		(323) 1		15,346
Long-term debt			118,838		-		(323) 1		118,515
Deferred income taxes			55,580		1,147		(546) 2		56,181
Total Assets			398,889		4,652		(869)1,2		402,672
Total Liabilities			278,754		1,147		(869)1,2		279,032
Retained earnings		$	30,166	$	3,505	$	-	$	33,671
1	Impact of ASU 2015-03.
2	Impact of ASU 2015-17.

		Historical Accounting Method		Effect of Voluntary Change		Effect of Adoption of New ASUs		As Adjusted
At December 31, 2014 or for the year ended
Other cost of services		$	37,590	$	(466)	$	-	$	37,124
Other income (expense) - net			1,652		(71)		-		1,581
Income tax expense			3,442		177		-		3,619
Net Income			6,518		218		-		6,736
Net Income Attributable to AT&T			6,224		218		-		6,442
Basic Earnings per Share Attributable to AT&T		$	1.19	$	0.05	$	-	$	1.24
Diluted Earnings per Share Attributable to AT&T			1.19		0.05		-		1.24
Other current assets		$	8,067	$	1,735	$	(157) 2	$	9,645
Other Assets			10,998		2,661		(234) 1		13,425
Long-term debt			76,011		-		(233) 1		75,778
Deferred income taxes			37,544		1,005		(113) 2		38,436
Total Assets			292,829		4,396		(391)1,2		296,834
Total Liabilities			205,905		1,050		(391)1,2		206,564
Retained earnings		$	27,736	$	3,345	$	-	$	31,081
1	Impact of ASU 2015-03.
2	Impact of ASU 2015-17.

		Historical Accounting Method		Effect of Voluntary Change		Effect of Adoption of New ASUs		As Adjusted
At December 31, 2013 or for the year ended
Other cost of services		$	31,512	$	(273)	$	-	$	31,239
Income tax expense			9,224		104		-		9,328
Net Income			18,553		169		-		18,722
Net Income Attributable to AT&T			18,249		169		-		18,418
Basic Earnings per Share Attributable to AT&T		$	3.39	$	0.03	$	-	$	3.42
Diluted Earnings per Share Attributable to AT&T			3.39		0.03		-		3.42
Other current assets		$	5,979	$	1,725	$	(159) 2	$	7,545
Other Assets			8,278		2,269		(199) 1		10,348
Long-term debt			69,290		-		(199) 1		69,091
Deferred income taxes			36,308		859		(152) 2		37,015
Total Assets			277,787		3,994		(358)1,2		281,423
Total Liabilities			186,305		866		(358)1,2		186,813
Retained earnings		$	31,141	$	3,128	$	-	$	34,269
1	Impact of ASU 2015-03.
2	Impact of ASU 2015-17.