Wireless Licenses, Goodwill and Other Intangible Assets

3.	Wireless Licenses, Goodwill and Other Intangible Assets

Wireless Licenses

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


(dollars in millions)
Balance at January 1, 2016	$	86,575
Acquisitions (Note 2)		3
Capitalized interest on wireless licenses		128
Reclassifications, adjustments and other		124

Balance at March 31, 2016	$	86,830

Reclassifications, adjustments and other includes $0.4 billion received in exchanges of wireless licenses in 2016 as well as $0.3 billion of Wireless licenses that are classified as Assets held for sale on our condensed consolidated balance sheet at March 31, 2016 (see Note 2 for additional details).

At March 31, 2016, approximately $10.4 billion of wireless licenses were under development for commercial service for which we were capitalizing interest costs.

The average remaining renewal period for our wireless licenses portfolio was 5.6 years as of March 31, 2016.

Goodwill

Changes in the carrying amount of Goodwill are as follows:


(dollars in millions)	Wireless		Wireline		Other		Total
Balance at January 1, 2016	$	18,393	$	4,331	$	2,607	$	25,331
Acquisitions (Note 2)		–		–		31		31
Reclassifications, adjustments and other		–		1		1		2

Balance at March 31, 2016	$	18,393	$	4,332	$	2,639	$	25,364

Other Intangible Assets

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


	At March 31, 2016							At December 31, 2015
(dollars in millions)	Gross Amount		Accumulated Amortization			Net Amount		Gross Amount		Accumulated Amortization			Net Amount
Customer lists (5 to 14 years)	$	4,136	$	(2,421	)	$	1,715	$	4,139	$	(2,365	)	$	1,774
Non-network internal-use software (3 to 8 years)		14,769		(9,921	)		4,848		14,542		(9,620	)		4,922
Other (5 to 25 years)		2,302		(649	)		1,653		2,220		(578	)		1,642

Total	$	21,207	$	(12,991	)	$	8,216	$	20,901	$	(12,563	)	$	8,338

The amortization expense for Other intangible assets was as follows:


(dollars in millions)	Three Months Ended March 31,
2016		$ 435
2015		381

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


Years	(dollars in millions)
Remainder of 2016		$ 1,309
2017		1,561
2018		1,379
2019		1,149
2020		857

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

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