Wireless Licenses, Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2013

Changes In The Carrying Amount Of Wireless Licenses

Changes in the carrying amount of Wireless licenses are as follows:

(dollars in millions)
Balance at January 1, 2013	$	77,744
Acquisitions		43
Capitalized interest on wireless licenses		275
Reclassifications, adjustments and other		(2,237	)
Balance at June 30, 2013	$	75,825

Changes In The Carrying Amount Of Goodwill

Changes in the carrying amount of Goodwill are as follows:

(dollars in millions)	Wireless		Wireline			Total
Balance at January 1, 2013	$	18,172	$	5,967		$	24,139
Acquisitions		203		–			203
Reclassifications, adjustments and other		–		(6	)		(6	)
Balance at June 30, 2013	$	18,375	$	5,961		$	24,336

Composition of Other Intangible Assets, Net

The following table displays the composition of Other intangible assets, net:

	At June 30, 2013							At December 31, 2012
(dollars in millions)	Gross Amount		Accumulated Amortization			Net Amount		Gross Amount		Accumulated Amortization			Net Amount
Customer lists (6 to 13 years)	$	3,595	$	(2,504	)	$	1,091	$	3,556	$	(2,338	)	$	1,218
Non-network internal-use software (3 to 7 years)		11,015		(6,734	)		4,281		10,415		(6,210	)		4,205
Other (2 to 25 years)		742		(338	)		404		802		(292	)		510
Total	$	15,352	$	(9,576)		$	5,776	$	14,773	$	(8,840	)	$	5,933

Amortization Expense for Other Intangible Assets

The amortization expense for Other intangible assets was as follows:

(dollars in millions)	Three Months Ended June 30,		Six Months Ended June 30,
2013		$        399		$        785
2012		367		728

Estimated Annual Amortization Expense for Other Intangible Assets

Estimated annual amortization expense for Other intangible assets is as follows:

Years	(dollars in millions)
2013		$     1,557
2014		1,333
2015		1,122
2016		872
2017		664