Acquired Finite Lived Intangible Asset Weighted Average Useful Life Acquired Technology.

No definition available.

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- Details

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- Definition

This element represents the acquisition-date percentage of equity acquired in the acquiree.

+ References

No definition available.

+ Details

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- Definition

CAD Price of Shares Per Unit paid for Certicom Corp.

+ References

No definition available.

+ Details

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- Details

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- Definition

Amount of cash paid to acquire the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph f(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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- Definition

Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 24

-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.

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- Definition

The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6911361&loc=d3e6927-128479

-Subparagraph (d)

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 52

-Subparagraph c

-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 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 53

-Subparagraph d

-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 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph k

-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

Amount of the excess of the fair value of acquired net assets over the cost of an acquired business after pro rata reduction of the amounts that otherwise would have been assigned to acquired assets except financial assets other than investments accounted for by the equity method, assets to be disposed of by sale, deferred tax assets, prepaid assets relating to pension and postretirement benefit plans, and other current assets. This amount is considered an extraordinary item and often referred to as negative goodwill. This element is gross of the related tax effect.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 44, 45, 46

-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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Business Acquisitions (Details Textual) (USD $)	12 Months Ended																			12 Months Ended
Business Acquisitions (Details Textual) (USD $)	Feb. 27, 2010	Mar. 03, 2012	Feb. 26, 2011	Mar. 23, 2009	Mar. 03, 2012 BlackBerry application [Member]	Feb. 11, 2011 BlackBerry application [Member]	Aug. 20, 2010 Application store fronts and data collection [Member]	Jun. 01, 2010 QNX Software Systems [Member]	Mar. 31, 2012 Proprietary software [Member]	Mar. 03, 2012 Proprietary software [Member]	Mar. 26, 2010 Proprietary software [Member]	Aug. 21, 2009 Torch Mobile [Member]	Mar. 23, 2009 Certicom Corp [Member]	Mar. 31, 2012 The Astonishing Tribe [Member]	Mar. 03, 2012 Paratek Microwave [Member]	Mar. 03, 2012 BlackBerry PlayBook Tablet [Member]	Mar. 03, 2012 Cloud Based Services [Member]	Mar. 03, 2012 Calendar Scheduling [Member]	Mar. 03, 2012 Developer Tools [Member]	Mar. 03, 2012 Acquired Technology [Member] Y	Feb. 26, 2011 Acquired Technology [Member] Y
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period of the Acquired Technology																				3.4	3.8
Per Unit Price Of Shares Acquired				$ 3.00
Purchased cash consideration	152,000,000	232,000,000	494,000,000	131,000,000				200,000,000
Percentage of equity acquired		100.00%			100.00%	100.00%	100.00%	100.00%	100.00%	100.00%	100.00%	100.00%	100.00%	100.00%	100.00%	100.00%	100.00%	100.00%	100.00%
Business Acquisitions (Textual) [Abstract]
Tax cost on goodwill purchased		10,000,000
Excess of net assets acquired over consideration paid	9,000,000
Acquisition related costs		$ 0