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Goodwill and intangible assets
12 Months Ended
Mar. 31, 2011
Goodwill and intangible assets [Abstract]  
Goodwill and intangible assets
 
9.   Goodwill and intangible assets
 
Intangible assets acquired during the fiscal year ended March 31, 2011 totaled 92,249 million yen, of which 83,188 million yen is subject to amortization and are comprised of the following:
 
                 
    Intangible assets
  Weighted-average
    acquired during the year   amortization period
    Yen in millions   Years
 
Patent rights, know-how and license agreements
    8,900       7  
Software to be sold, leased or otherwise marketed
    22,174       3  
Music catalogs
    730       8  
Television carriage agreements (broadcasting agreements)
    33,698       20  
Other
    17,686       2  
 
Intangible assets subject to amortization are comprised of the following:
 
                                 
    Yen in millions
    March 31, 2010   March 31, 2011
    Gross carrying
  Accumulated
  Gross carrying
  Accumulated
    amount   amortization   amount   amortization
 
Patent rights, know-how and license agreements
    146,932       (79,403 )     122,444       (69,224 )
Software to be sold, leased or otherwise marketed
    71,300       (29,606 )     76,112       (40,447 )
Music catalogs
    175,172       (37,591 )     160,325       (40,455 )
Artist contracts
    28,958       (16,754 )     27,727       (17,903 )
Television carriage agreements (broadcasting agreements)
    1,224       (116 )     35,874       (228 )
Other
    87,950       (48,904 )     90,508       (42,642 )
                                 
Total
    511,536       (212,374 )     512,990       (210,899 )
                                 
 
The aggregate amortization expense for intangible assets for the fiscal years ended March 31, 2009, 2010 and 2011 was 47,101 million yen, 57,069 million yen and 52,763 million yen, respectively. The estimated aggregate amortization expense for intangible assets for the next five years is as follows:
 
         
Fiscal year ending March 31   Yen in millions
 
2012
    46,539  
2013
    37,485  
2014
    28,821  
2015
    22,571  
2016
    18,012  
 
Total carrying amount of intangible assets having an indefinite life are comprised of the following:
 
                 
    Yen in millions
    March 31
    2010   2011
 
Trademarks
    57,857       66,967  
Distribution agreements
    18,834       18,834  
Other
    3,064       3,230  
                 
Total
    79,755       89,031  
                 
 
The changes in the carrying amount of goodwill by segment for the fiscal years ended March 31, 2010 and 2011 are as follows:
 
                                                         
    Yen in millions
    Consumer,
  Networked
                   
    Professional
  Products &
          Financial
       
    & Devices   Services   Pictures   Music   Services   All Other   Total
 
Balance, March 31, 2009:
                                                       
Goodwill — gross
    73,349       123,432       107,478       112,963       3,020       43,346       463,588  
Accumulated impairments
    (5,620 )                 (306 )           (13,704 )     (19,630 )
                                                         
Goodwill
    67,729       123,432       107,478       112,657       3,020       29,642       443,958  
                                                         
Increase (decrease) due to:
                                                       
Acquisitions
          724       6       7,848             4,847       13,425  
Sales and dispositions
          (27 )                       (202 )     (229 )
Impairments
                            (706 )     (349 )     (1,055 )
Translation adjustments
    (71 )     (249 )     (5,427 )     (1,943 )           (778 )     (8,468 )
Other*1*2
    (470 )     1       424       (8,676 )           (41 )     (8,762 )
                                                         
Balance, March 31, 2010:
                                                       
Goodwill — gross
    72,808       123,881       102,481       110,192       3,020       40,774       453,156  
Accumulated impairments
    (5,620 )                 (306 )     (706 )     (7,655 )     (14,287 )
                                                         
Goodwill
    67,188       123,881       102,481       109,886       2,314       33,119       438,869  
                                                         
Increase (decrease) due to:
                                                       
Acquisitions*3
    1,085             46,504       203             55       47,847  
Sales and dispositions
          (257 )                             (257 )
Impairments
                                         
Translation adjustments
    (133 )     (510 )     (8,401 )     (6,956 )           (1,335 )     (17,335 )
Other*1
    232       171             (445 )           (77 )     (119 )
                                                         
Balance, March 31, 2011:
                                                       
Goodwill — gross
    73,992       123,285       140,584       102,994       3,020       39,417       483,292  
Accumulated impairments
    (5,620 )                 (306 )     (706 )     (7,655 )     (14,287 )
                                                         
Goodwill
    68,372       123,285       140,584       102,688       2,314       31,762       469,005  
                                                         
 
*1 Other primarily consists of purchase price adjustments for prior years.
 
*2 Substantially all of the adjustments in the Music segment relate to a decrease of goodwill recognized from the acquisition of Bertelsmann AG’s 50% interest in the SONY BMG joint venture of 8,649 million yen, primarily to reflect an increase in the deferred tax assets recognized in connection with the acquisition and a decrease in the acquired liabilities as certain restructuring activities that were identified at the time of the acquisition will not be implemented. Refer to Note 19 and 24.
 
*3 Substantially all of the acquisition amounts in the Pictures segment relate to the Game Show Network acquisition. Refer to Note 24.
 
As described in Note 2, Sony performs an annual impairment test for goodwill. As a result of the impairment test, there were no impairments for the fiscal year ended March 31, 2011.