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Litigation and Asserted Claims (Details) (USD $)
In Millions, unless otherwise specified
1 Months Ended15 Months Ended37 Months Ended1 Months Ended1 Months Ended6 Months Ended1 Months Ended3 Months Ended1 Months Ended1 Months Ended
Mar. 31, 2010
Hynix Litigation - U.S. District Court of the Northern District of California
May 31, 2009
Hynix Litigation - U.S. District Court of the Northern District of California
day
Apr. 30, 2009
Hynix Litigation - U.S. District Court of the Northern District of California
Mar. 31, 2009
Hynix Litigation - U.S. District Court of the Northern District of California
Jul. 31, 2006
Hynix Litigation - U.S. District Court of the Northern District of California
Apr. 30, 2006
Hynix Litigation - U.S. District Court of the Northern District of California
claim
Dec. 31, 2005
Hynix Litigation - U.S. District Court of the Northern District of California
Aug. 31, 2000
Hynix Litigation - U.S. District Court of the Northern District of California
phase
Apr. 30, 2010
Hynix Litigation - U.S. District Court of the Northern District of California
Jan. 31, 2009
Hynix Litigation - U.S. District Court of the Northern District of California
Oct. 18, 2010
Hynix Litigation - U.S. District Court of the Northern District of California
Jun. 26, 2009
Hynix Litigation - U.S. District Court of the Northern District of California
Apr. 24, 2007
Hynix Litigation - U.S. District Court of the Northern District of California
case
Jan. 31, 2009
Micron Litigation - U.S. District Court in Delaware
claim
Aug. 31, 2000
Micron Litigation - U.S. District Court in Delaware
claim
phase
Nov. 30, 2008
Micron Litigation - U.S. District Court of the Northern District of California
claim
Sep. 30, 2008
Micron Litigation - U.S. District Court of the Northern District of California
claim
Jan. 31, 2006
Micron Litigation - U.S. District Court of the Northern District of California
claim
Dec. 31, 2001
Micron Litigation - European Patent Infringement Cases
appeal
Sep. 04, 2008
DDR2, DDR3, gDDR2, GDDR3, GDDR4 Litigation ("DDR2") - U.S. District Court in the Northern District of California
claim
Apr. 30, 2010
European Commission Competition Directorate-General
Dec. 31, 2009
European Commission Competition Directorate-General
year
Jun. 30, 2011
European Commission Competition Directorate-General
May 05, 2004
Superior Court of California for the County of San Francisco
entity
Jan. 31, 2009
Stock Option Investigation Related Claims
Mar. 31, 2008
Stock Option Investigation Related Claims
Jul. 31, 2006
Stock Option Investigation Related Claims
class
Jun. 30, 2008
Stock Option Investigation Related Claims
Aug. 24, 2007
Stock Option Investigation Related Claims
Mar. 01, 2007
Stock Option Investigation Related Claims
person
May 31, 2006
Stock Option Investigation Related Claims
person
Dec. 31, 2008
NVIDIA Litigation - U.S. District Court in the Northern District of California
claim
Jul. 31, 2008
NVIDIA Litigation - U.S. District Court in the Northern District of California
claim
Sep. 16, 2008
NVIDIA Litigation - U.S. District Court in the Northern District of California
claim
Jul. 31, 2010
NVIDIA Litigation - International Trade Commission
claim
day
May 31, 2010
NVIDIA Litigation - International Trade Commission
day
Jan. 31, 2010
NVIDIA Litigation - International Trade Commission
claim
Jun. 30, 2009
NVIDIA Litigation - International Trade Commission
claim
Jul. 26, 2010
NVIDIA Litigation - International Trade Commission
claim
Jan. 22, 2010
NVIDIA Litigation - International Trade Commission
claim
Oct. 20, 2009
NVIDIA Litigation - International Trade Commission
round
Nov. 06, 2008
NVIDIA Litigation - International Trade Commission
claim
Loss Contingencies                                          
Number of phases in a case (in phases)       3      3                           
Damages awarded by court$ 0.76  $ 397.00$ 134.00$ 307.00$ 134.00  $ 215.00                                
Number of patent claims valid (in claims)     10                            3 3     
Number of patent claims infringed or in suit (in claims)     8       1212161214             917   34    
Number of patent claim for which certain claims were removed (in claims)                                     fifth    
Number of patent claims previously infringed (in claims)     2                                    
Number of patent claims elected to proceed to trial (in claims)                   12                      
Maximum royalty rate of percentage for SDR SDRAM (as a percent)      1.00% 1.00%                                 
Maximum royalty rate of percentage for DDR SDRAM (as a percent)      4.25% 4.25%            1.50%                    
Number of other cases pending (in cases)            3                             
Pre-judgment interest         48                                
Cost bill  0.85                                       
Period for deposit of supersedeas bond (in days) 45                                        
Supersedeas bond          401.2250.0                              
Number of appeals (in appeals)                  2                       
Number of patent claims invalid (in claims)              8                           
Period of license agreement (in years)                     5                    
Royalty rate of percentage for SDR (as a percent)                    1.50%                     
Reduced royalty rate of percentage for SDR (as a percent)                      1.00%                   
Royalty rate of percentage for DDR, DDR2, DDR3, GDDR4 (as a percent)                    2.65%                     
Reduced royalty rate of percentage for DDR, DDR2, DDR3, GDDR4 (as a percent)                      2.00%                   
Number of Samsung-related entities added as defendants (in entities)                       3                  
Number of shareholders whose actions were filed (in persons)                             23           
Minimum settlement value                            5.3             
Minimum stock options relinquished for claim settlement (in shares)                            2.7             
Accrued litigation expenses                           2.0              
Accrued litigation expenses paid                        2.0                 
Number of class action lawsuits (in classes)                          6               
Litigation settlement paid                         $ 18.3                
Number of claims that remain in suit (in claims)                                 15        
Number of claims infringed of the Barth and Ware patents (in claims)                                         9
Number of rounds of post-hearing briefs (in rounds)                                        2 
Number of claims infringed of the asserted Barth patents (in claims)                                       17  
Number of claims infringed of the asserted Ware patents (in claims)                                      178  
Number of asserted Ware patents (in claims)                                       2  
Extended number of days of investigation (in days)                                   2      
Presidential review period (in days)                                  60       
Bond value as a percentage of the import value (as a percent)                                  2.65%