Wireless Licenses, Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2015

Changes in Carrying Amount of Wireless Licenses

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

(dollars in millions)
Balance at January 1, 2015	$	75,341
Acquisitions (Note 2)		10,474
Capitalized interest on wireless licenses		258
Reclassifications, adjustments and other		258
Balance at September 30, 2015	$	86,331

Changes in Carrying Amount of Goodwill

Changes in the carrying amount of Goodwill are as follows:

(dollars in millions)	Wireless		Wireline			Other		Total
Balance at January 1, 2015	$	18,390	$	6,249		$	–	$	24,639
Acquisitions (Note 2)		3		–			1,814		1,817
Reclassifications, adjustments and other (Note 2)		–		(1,916	)		584		(1,332	)
Balance at September 30, 2015	$	18,393	$	4,333		$	2,398	$	25,124

Composition of Other Intangible Assets, Net

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

	At September 30, 2015						At December 31, 2014
(dollars in millions)	Gross Amount		Accumulated Amortization		Net Amount		Gross Amount		Accumulated Amortization		Net Amount
Customer lists (5 to 13 years)	$	4,986	$	(3,057)	$	1,929	$	3,618	$	(2,924)	$	694
Non-network internal-use software (3 to 7 years)		14,907		(9,421)		5,486		13,194		(8,462)		4,732
Other (5 to 25 years)		1,329		(422)		907		670		(368)		302
Total	$	21,222	$	(12,900)	$	8,322	$	17,482	$	(11,754)	$	5,728

Amortization Expense for Other Intangible Assets

The amortization expense for Other intangible assets was as follows:

(dollars in millions)	Three Months Ended September 30,		Nine Months Ended September 30,
2015	$	438	$	1,247
2014		391		1,178

Estimated Future Amortization Expense for Other Intangible Assets

The estimated future amortization expense for Other intangible assets is as follows:

Years	(dollars in millions)
Remainder of 2015	$	454
2016		1,609
2017		1,408
2018		1,228
2019		1,001