Wireless Licenses, Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2013

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


(dollars in millions)
Balance at January 1, 2013	$	77,744
Acquisitions (Note 2)		574
Dispositions (Note 2)		(2,338	)
Capitalized interest on wireless licenses		419
Reclassifications, adjustments and other		104

Balance at September 30, 2013	$	76,503

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		–		(3	)		(3	)

Balance at September 30, 2013	$	18,375	$	5,964		$	24,339

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


	At September 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)	$	3,592	$	(2,589	)	$	1,003	$	3,556	$	(2,338	)	$	1,218
Non-network internal-use software (3 to 7 years)		11,366		(7,015	)		4,351		10,415		(6,210	)		4,205
Other (2 to 25 years)		736		(358	)		378		802		(292	)		510

Total	$	15,694	$	(9,962	)	$	5,732	$	14,773	$	(8,840	)	$	5,933

The amortization expense for Other intangible assets was as follows:


(dollars in millions)	Three Months Ended September 30,		Nine Months Ended September 30,
2013		$ 398		$ 1,183
2012		384		1,112

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