Patent Cross License Agreement (Details) (USD $) | 3 Months Ended | 9 Months Ended |
|---|---|---|
Oct. 30, 2011 | Oct. 30, 2011 | |
| Notes to financial statements [Abstract] | ||
| Patent cross licensing agreement term (in years) | 6 | |
| Total consideration receivable in annual installments on January 18, 2011, January 13, 2012 and January 15, 2013 | $ 300,000,000 | |
| Total consideration receivable in annual installments on January 15, 2014, 2015 and 2016 | 200,000,000 | |
| Legal settlement | 57,000,000 | |
| License to Intel | 1,583,000,000 | |
| License from Intel | (140,000,000) | |
| Total cash consideration | 1,500,000,000 | |
| License to Intel, revenue recognized per quarter | 66,000,000 | |
| Revenue recognized for performance obligation | 66,000,000 | 153,900,000 |
| License from Intel, cost of sales charge per quarter | 5,000,000 | |
| Amortization expense recognized for license from Intel | $ 5,000,000 | $ 11,700,000 |
| Estimated useful life of the technology from the license from Intel (in years) | 7 |
| X | ||||||||||
- Definition The estimated fair value of the license from Intel.
|
| X | ||||||||||
- Definition The estimated fair value of the license from Intel charged to cost of sales each quarter over the useful life of the technology.
|
| X | ||||||||||
- Definition The estimated fair value of the license to Intel.
|
| X | ||||||||||
- Definition The estimated fair value of the license to Intel recognized each quarter over the term of the agreement.
|
| X | ||||||||||
- Definition The useful life of all finite-lived intangible assets. This may be stated as a fixed number (for example, 10 years) if all assets have the same useful life, or it can be stated in a range (for example, six to eight years) if there is a range of useful lives in the asset group.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Definition The term, in years, of the patent cross licensing agreement with Intel.
|
| X | ||||||||||
- Definition The total consideration to be received from Intel under the agreement in annual installments on January 15, 2014, 2015 and 2016.
|
| X | ||||||||||
- Definition The total consideration to be received from Intel under the agreement in annual installments on January 18, 2011, January 13,2012 and January 15, 2013.
|
| X | ||||||||||
- Definition The total consideration to be received from Intel under the agreement.
|
| X | ||||||||||
- Definition The amount of expense recognized in the current period that reflects the allocation of the costs of intangible assets over the expected benefit period of such assets. This element applies only to intangible assets used in the production of goods. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of previously reported deferred or unearned revenue that was recognized as revenue during the period. Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition This element represents the gross amount awarded, to be received by, or to be remitted to the entity in settlement of litigation occurring during the period.
|