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Litigation and Asserted Claims (Details) (USD $) In Millions, unless otherwise specified | 1 Months Ended | 15 Months Ended | 37 Months Ended |  |  |  | 1 Months Ended |  |  | 1 Months Ended | 6 Months Ended |  | 1 Months Ended | 3 Months Ended |  |  |  | 1 Months Ended |  | 1 Months Ended |  |  |  |
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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 |  |  |  |  |  |  |  | 12 | 12 | 16 | 12 | 14 |  |  |  |  |  |  |  |  |  |  |  |  |  | 9 | 17 |  |  |  | 3 | 4 |  |  |  |
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 |  |  |  |  |  |  |  |  |  |  | 401.2 | 250.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
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) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 3 |  |  |  |  |  |  |  |  |  |  |
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) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 17 | 8 |  |
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% |  |  |  |  |  |  |

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- Definition The payments made in the period which reduced loss contingency liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 9, 10, 11, 12 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14326-108349 + Details
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- Definition The charge against earnings in the period to increase loss contingency liabilities, net of any adjustments to reduce previously estimated charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 9, 10, 11, 12 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14326-108349 + Details
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- Definition The total amount of pending claims pertaining to a loss contingency accrual as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 9, 10, 11, 12 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The amount of cash paid for the settlement of litigation or for other legal issues during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 27 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3536-108585 + Details
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