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Commitments and Contingencies - Additional Information (Details) $ in Millions	12 Months Ended
	Feb. 28, 2025 USD ($)
Results of Arbitrations and Legal Proceedings [Line Items]
Litigation Settlement	$ 2.8
litigation Settlement, Fee expense - CAD Currency	$ 4.0

X

- Definition

litigation Settlement, Fee expense - CAD Currency

+ References

No definition available.

+ Details

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Namespace Prefix:	bbry_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

[Line Items] for Results of Arbitrations and Legal Proceedings [Table]

+ References

No definition available.

+ Details

Name:	bbry_ResultsofArbitrationsandLegalProceedingsLineItems
Namespace Prefix:	bbry_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(6))
-SubTopic 10
-Topic 220
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration