XML 54 R35.htm IDEA: XBRL DOCUMENT
v3.25.3

Cash, Cash Equivalents and Investments - Components of Cash, Cash Equivalents and Investments (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Nov. 30, 2025 | Nov. 30, 2024 | Nov. 30, 2025 | Nov. 30, 2024 | Feb. 28, 2025
Cash, Cash Equivalents and Investments [Line Items] |  |  |  |  |  |  |  |
Cost Basis | $ 372.1 |  |  | $ 372.1 |  |  | $ 415.4 |
Unrealized Gains |  |  |  | 6.6 |  |  | 6.1 |
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount | 1.8 |  |  | 1.8 |  | $ 1.2 |  |
Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Annual Amount |  |  | $ (2.4) |  |  |  |  |
Unrealized Losses |  |  |  | (1.2) |  |  | (11.2) |
Fair Value | 377.5 |  |  | 377.5 |  |  | 410.3 |
Cash and cash equivalents (note 3) | 270.3 |  |  | 270.3 |  |  | 266.7 |
Short-term Investments | 33.9 |  |  | 33.9 |  |  | 71.1 |
Long-term investments (note 3) | 59.3 |  |  | 59.3 |  |  | 58.9 |
Restricted Cash and Cash Equivalents | 14.0 |  |  | 14.0 |  |  | 13.6 |
Bank balances |  |  |  |  |  |  |  |
Cash, Cash Equivalents and Investments [Line Items] |  |  |  |  |  |  |  |
Cost Basis | 139.8 |  |  | 139.8 |  |  | 223.7 |
Unrealized Gains |  |  |  | 0.0 |  |  | 0.0 |
Unrealized Losses |  |  |  | 0.0 |  |  | 0.0 |
Fair Value | 139.8 |  |  | 139.8 |  |  | 223.7 |
Cash and cash equivalents (note 3) | 139.8 |  |  | 139.8 |  |  | 223.7 |
Short-term Investments | 0.0 |  |  | 0.0 |  |  | 0.0 |
Long-term investments (note 3) | 0.0 |  |  | 0.0 |  |  | 0.0 |
Restricted Cash and Cash Equivalents | 0.0 |  |  | 0.0 |  |  | 0.0 |
Investments in privately-held companies |  |  |  |  |  |  |  |
Cash, Cash Equivalents and Investments [Line Items] |  |  |  |  |  |  |  |
Cost Basis | 51.5 | [1] |  | 51.5 | [1] |  | 23.3 | [2]
Unrealized Gains |  |  |  | 2.3 |  |  | 4.9 |
Unrealized Losses |  |  |  | (1.2) |  |  | 0.0 |
Fair Value | 52.6 |  |  | 52.6 |  |  | 28.2 |
Cash and cash equivalents (note 3) | 0.0 |  |  | 0.0 |  |  | 0.0 |
Short-term Investments | 0.0 |  |  | 0.0 |  |  | 0.0 |
Long-term investments (note 3) | 52.6 |  |  | 52.6 |  |  | 28.2 |
Restricted Cash and Cash Equivalents | 0.0 |  |  | 0.0 |  |  | 0.0 |
Bank Balances and Other Investments [Domain] |  |  |  |  |  |  |  |
Cash, Cash Equivalents and Investments [Line Items] |  |  |  |  |  |  |  |
Cost Basis | 191.3 |  |  | 191.3 |  |  | 247.0 |
Unrealized Gains |  |  |  | 2.3 |  |  | 4.9 |
Unrealized Losses |  |  |  | (1.2) |  |  | 0.0 |
Fair Value | 192.4 |  |  | 192.4 |  |  | 251.9 |
Cash and cash equivalents (note 3) | 139.8 |  |  | 139.8 |  |  | 223.7 |
Short-term Investments | 0.0 |  |  | 0.0 |  |  | 0.0 |
Long-term investments (note 3) | 52.6 |  |  | 52.6 |  |  | 28.2 |
Restricted Cash and Cash Equivalents | 0.0 |  |  | 0.0 |  |  | 0.0 |
Level 1: | Equity securities |  |  |  |  |  |  |  |
Cash, Cash Equivalents and Investments [Line Items] |  |  |  |  |  |  |  |
Cost Basis |  |  |  |  |  |  | 10.0 |
Equity Securities, FV-NI, Unrealized Gain |  |  |  |  |  |  | 0.0 |
Equity Securities, FV-NI, Unrealized Loss |  |  |  |  |  |  | (10.0) |
Fair Value |  |  |  |  |  |  | 0.0 |
Cash and cash equivalents (note 3) |  |  |  |  |  |  | 0.0 |
Short-term Investments |  |  |  |  |  |  | 0.0 |
Long-term investments (note 3) |  |  |  |  |  |  | 0.0 |
Restricted Cash and Cash Equivalents |  |  |  |  |  |  | 0.0 |
Level 2: |  |  |  |  |  |  |  |
Cash, Cash Equivalents and Investments [Line Items] |  |  |  |  |  |  |  |
Cost Basis | 178.4 |  |  | 178.4 |  |  | 127.7 |
Debt Securities, Available-for-Sale, Unrealized Gain |  |  |  | 0.0 |  |  | 0.0 |
Debt Securities, Available-for-Sale, Unrealized Loss |  |  |  | 0.0 |  |  | 0.0 |
Fair Value | 178.4 |  |  | 178.4 |  |  | 127.7 |
Cash and cash equivalents (note 3) | 130.5 |  |  | 130.5 |  |  | 43.0 |
Short-term Investments | 33.9 |  |  | 33.9 |  |  | 71.1 |
Long-term investments (note 3) | 0.0 |  |  | 0.0 |  |  | 0.0 |
Restricted Cash and Cash Equivalents | 14.0 |  |  | 14.0 |  |  | 13.6 |
Level 2: | Term deposits, and certificates of deposits |  |  |  |  |  |  |  |
Cash, Cash Equivalents and Investments [Line Items] |  |  |  |  |  |  |  |
Cost Basis | 29.4 |  |  | 29.4 |  |  | 39.3 |
Debt Securities, Available-for-Sale, Unrealized Gain |  |  |  | 0.0 |  |  | 0.0 |
Debt Securities, Available-for-Sale, Unrealized Loss |  |  |  | 0.0 |  |  | 0.0 |
Fair Value | 29.4 |  |  | 29.4 |  |  | 39.3 |
Cash and cash equivalents (note 3) | 20.0 |  |  | 20.0 |  |  | 0.0 |
Short-term Investments | 0.0 |  |  | 0.0 |  |  | 30.1 |
Long-term investments (note 3) | 0.0 |  |  | 0.0 |  |  | 0.0 |
Restricted Cash and Cash Equivalents | 9.4 |  |  | 9.4 |  |  | 9.2 |
Level 2: | Bearer deposit notes |  |  |  |  |  |  |  |
Cash, Cash Equivalents and Investments [Line Items] |  |  |  |  |  |  |  |
Cost Basis | 25.0 |  |  | 25.0 |  |  | 10.3 |
Debt Securities, Available-for-Sale, Unrealized Gain |  |  |  | 0.0 |  |  | 0.0 |
Debt Securities, Available-for-Sale, Unrealized Loss |  |  |  | 0.0 |  |  | 0.0 |
Fair Value | 25.0 |  |  | 25.0 |  |  | 10.3 |
Cash and cash equivalents (note 3) | 18.0 |  |  | 18.0 |  |  | 7.3 |
Short-term Investments | 7.0 |  |  | 7.0 |  |  | 3.0 |
Long-term investments (note 3) | 0.0 |  |  | 0.0 |  |  | 0.0 |
Restricted Cash and Cash Equivalents | 0.0 |  |  | 0.0 |  |  | 0.0 |
Level 2: | Commercial paper |  |  |  |  |  |  |  |
Cash, Cash Equivalents and Investments [Line Items] |  |  |  |  |  |  |  |
Cost Basis | 84.7 |  |  | 84.7 |  |  | 55.5 |
Debt Securities, Available-for-Sale, Unrealized Gain |  |  |  | 0.0 |  |  | 0.0 |
Debt Securities, Available-for-Sale, Unrealized Loss |  |  |  | 0.0 |  |  | 0.0 |
Fair Value | 84.7 |  |  | 84.7 |  |  | 55.5 |
Cash and cash equivalents (note 3) | 53.2 |  |  | 53.2 |  |  | 27.8 |
Short-term Investments | 26.9 |  |  | 26.9 |  |  | 27.7 |
Long-term investments (note 3) | 0.0 |  |  | 0.0 |  |  | 0.0 |
Restricted Cash and Cash Equivalents | 4.6 |  |  | 4.6 |  |  | 0.0 |
Level 2: | Non-U.S. promissory notes |  |  |  |  |  |  |  |
Cash, Cash Equivalents and Investments [Line Items] |  |  |  |  |  |  |  |
Cost Basis | 24.2 |  |  | 24.2 |  |  | 9.8 |
Debt Securities, Available-for-Sale, Unrealized Gain |  |  |  | 0.0 |  |  | 0.0 |
Debt Securities, Available-for-Sale, Unrealized Loss |  |  |  | 0.0 |  |  | 0.0 |
Fair Value | 24.2 |  |  | 24.2 |  |  | 9.8 |
Cash and cash equivalents (note 3) | 24.2 |  |  | 24.2 |  |  | 7.9 |
Short-term Investments | 0.0 |  |  | 0.0 |  |  | 1.9 |
Long-term investments (note 3) | 0.0 |  |  | 0.0 |  |  | 0.0 |
Restricted Cash and Cash Equivalents | 0.0 |  |  | 0.0 |  |  | 0.0 |
Level 2: | Non-U.S. government sponsored enterprise notes |  |  |  |  |  |  |  |
Cash, Cash Equivalents and Investments [Line Items] |  |  |  |  |  |  |  |
Cost Basis |  |  |  |  |  |  | 9.3 |
Debt Securities, Available-for-Sale, Unrealized Gain |  |  |  |  |  |  | 0.0 |
Debt Securities, Available-for-Sale, Unrealized Loss |  |  |  |  |  |  | 0.0 |
Fair Value |  |  |  |  |  |  | 9.3 |
Cash and cash equivalents (note 3) |  |  |  |  |  |  | 0.0 |
Short-term Investments |  |  |  |  |  |  | 4.9 |
Long-term investments (note 3) |  |  |  |  |  |  | 0.0 |
Restricted Cash and Cash Equivalents |  |  |  |  |  |  | 4.4 |
Level 2: | Non-U.S. treasury bills |  |  |  |  |  |  |  |
Cash, Cash Equivalents and Investments [Line Items] |  |  |  |  |  |  |  |
Cost Basis | 15.1 |  |  | 15.1 |  |  |  |
Debt Securities, Available-for-Sale, Unrealized Gain |  |  |  | 0.0 |  |  |  |
Debt Securities, Available-for-Sale, Unrealized Loss |  |  |  | 0.0 |  |  |  |
Fair Value | 15.1 |  |  | 15.1 |  |  |  |
Cash and cash equivalents (note 3) | 15.1 |  |  | 15.1 |  |  |  |
Short-term Investments | 0.0 |  |  | 0.0 |  |  |  |
Long-term investments (note 3) | 0.0 |  |  | 0.0 |  |  |  |
Restricted Cash and Cash Equivalents | 0.0 |  |  | 0.0 |  |  |  |
Level 2: | Corporate notes/bonds |  |  |  |  |  |  |  |
Cash, Cash Equivalents and Investments [Line Items] |  |  |  |  |  |  |  |
Cost Basis |  |  |  |  |  |  | 3.5 |
Debt Securities, Available-for-Sale, Unrealized Gain |  |  |  |  |  |  | 0.0 |
Debt Securities, Available-for-Sale, Unrealized Loss |  |  |  |  |  |  | 0.0 |
Fair Value |  |  |  |  |  |  | 3.5 |
Cash and cash equivalents (note 3) |  |  |  |  |  |  | 0.0 |
Short-term Investments |  |  |  |  |  |  | 3.5 |
Long-term investments (note 3) |  |  |  |  |  |  | 0.0 |
Restricted Cash and Cash Equivalents |  |  |  |  |  |  | 0.0 |
Level 3: |  |  |  |  |  |  |  |
Cash, Cash Equivalents and Investments [Line Items] |  |  |  |  |  |  |  |
Cost Basis | 2.4 |  |  | 2.4 |  |  |  |
Unrealized Gains |  |  |  | 4.3 |  |  |  |
Unrealized Losses |  |  |  | 0.0 |  |  |  |
Fair Value | 6.7 |  |  | 6.7 |  |  |  |
Cash and cash equivalents (note 3) | 0.0 |  |  | 0.0 |  |  |  |
Short-term Investments | 0.0 |  |  | 0.0 |  |  |  |
Long-term investments (note 3) | 6.7 |  |  | 6.7 |  |  |  |
Restricted Cash and Cash Equivalents | 0.0 |  |  | 0.0 |  |  |  |
Level 3: | Investments in privately-held companies |  |  |  |  |  |  |  |
Cash, Cash Equivalents and Investments [Line Items] |  |  |  |  |  |  |  |
Cost Basis | 2.4 |  |  | 2.4 |  |  | 30.7 |
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount |  |  |  | 4.3 |  |  | 1.2 |
Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Annual Amount |  |  |  | 0.0 |  |  | (1.2) |
Fair Value | 6.7 |  |  | 6.7 |  |  | 30.7 |
Cash and cash equivalents (note 3) | 0.0 |  |  | 0.0 |  |  | 0.0 |
Short-term Investments | 0.0 |  |  | 0.0 |  |  | 0.0 |
Long-term investments (note 3) | 6.7 |  |  | 6.7 |  |  | 30.7 |
Restricted Cash and Cash Equivalents | $ 0.0 |  |  | $ 0.0 |  |  | $ 0.0 |
[1] | Cost basis for investments in privately-held companies includes the effect of returns of capital and impairment.
[2] | Cost basis for investments in privately-held companies includes the effect of returns of capital and impairment.

X
- Definition Cash, cash equivalents and investments at cost. + References No definition available. + Details
Name: | bbry_CashCashEquivalentsAndInvestmentsAtCost
Namespace Prefix: | bbry_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Cash, cash equivalents and investments at fair value. + References No definition available. + Details
Name: | bbry_CashCashEquivalentsAndInvestmentsAtFairValue
Namespace Prefix: | bbry_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Cash, cash equivalents and investments unrealized gains. + References No definition available. + Details
Name: | bbry_CashCashEquivalentsAndInvestmentsUnrealizedGains
Namespace Prefix: | bbry_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Cash, cash equivalents and investments unrealized losses. + References No definition available. + Details
Name: | bbry_CashCashEquivalentsAndInvestmentsUnrealizedLosses
Namespace Prefix: | bbry_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of unrealized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 + Details
Name: | us-gaap_AvailableForSaleDebtSecuritiesGrossUnrealizedGain
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 + Details
Name: | us-gaap_AvailableForSaleDebtSecuritiesGrossUnrealizedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483467/210-10-45-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-4 + Details
Name: | us-gaap_CashAndCashEquivalentsAtCarryingValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_CashAndCashEquivalentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of unrealized gain on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 321 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479536/321-10-50-4 + Details
Name: | us-gaap_EquitySecuritiesFvNiUnrealizedGain
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of unrealized loss on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 321 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479536/321-10-50-4 + Details
Name: | us-gaap_EquitySecuritiesFvNiUnrealizedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of loss from downward price adjustment on investment in equity security without readily determinable fair value. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 321 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479536/321-10-50-3 + Details
Name: | us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of gain from upward price adjustment on investment in equity security without readily determinable fair value. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 321 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479536/321-10-50-3 + Details
Name: | us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(12)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_LongTermInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of cash and cash equivalent restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-8 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-4 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 45 -Paragraph 5 -SubTopic 210 -Topic 954 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477220/954-210-45-5 + Details
Name: | us-gaap_RestrictedCashAndCashEquivalentsNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(5)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(8)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_ShortTermInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_DemandDepositsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_OtherInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=bbry_BankBalancesandOtherInvestmentsDomain
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_BankTimeDepositsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_BankersAcceptanceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_CommercialPaperMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=bbry_NonUsGovernmentPromissoryNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=bbry_NonUsGovernmentSponsoredEnterpriseNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=bbry_NonUsTreasuryBillsNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=bbry_CorporateBondsAndNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |