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Wireless Licenses, Goodwill and Other Intangible Assets
6 Months Ended
Jun. 30, 2011
Wireless Licenses, Goodwill and Other Intangible Assets  
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, 2011

   $     72,996  

Acquisitions (Note 2)

     51  

Capitalized interest on wireless licenses

     104  
        

Balance at June 30, 2011

   $ 73,151  
        

During the year ended December 31, 2010, approximately $12.2 billion of wireless licenses were under development for commercial service for which we were capitalizing interest costs. In December 2010, a substantial portion of these licenses were placed in service in connection with our deployment of fourth-generation Long-Term Evolution technology services. During the six months ended June 30, 2011, approximately $3.1 billion of wireless licenses remained under development for commercial service.

Goodwill

Changes in the carrying amount of Goodwill are as follows:

 

(dollars in millions)    Domestic
Wireless
     Wireline      Total  

Balance at January 1, 2011

   $     17,869      $     4,119      $ 21,988  

Acquisitions (Note 2)

     81        1,404        1,485  

Reclassifications, adjustments and other

             7        7  
        

Balance at June 30, 2011

   $ 17,950      $ 5,530      $     23,480  
        

 

Other Intangible Assets

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

 

     At June 30, 2011      At December 31, 2010  
        
(dollars in millions)    Gross
Amount
     Accumulated
Amortization
    Net
Amount
     Gross
Amount
     Accumulated
Amortization
    Net
Amount
 

Customer lists (6 to 13 years)

   $ 3,542      $ (1,805   $ 1,737      $ 3,150      $ (1,551   $ 1,599  

Non-network internal-use software (3 to 7 years)

     8,866        (5,058     3,808        8,446        (4,614     3,832  

Other (2 to 25 years)

     684        (284     400        885        (486     399  
        

Total

   $ 13,092      $ (7,147   $ 5,945      $ 12,481      $ (6,651   $ 5,830  
        

Customer lists and Other at June 30, 2011 include $0.4 billion related to the Terremark acquisition (see Note 2).

The amortization expense for other intangible assets was as follows:

 

(dollars in millions)    Three Months Ended
June 30,
    

Six Months Ended

June 30,

 

2011

   $ 374      $ 744  

2010

     462        919  

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

 

Years    (dollars in millions)  

2011

   $ 1,579  

2012

     1,340  

2013

     1,172  

2014

     860  

2015

     671