XML 54 R44.htm IDEA: XBRL DOCUMENT
v3.21.4

Debentures - Impact of Changes in Fair Value of Debentures (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Nov. 30, 2021 | Nov. 30, 2020 | Nov. 30, 2021 | Nov. 30, 2020
Debt Instrument [Line Items] |  |  |  |
Income (charge) associated with the change in fair value from non-credit components recorded in the consolidated statements of operations | $ 110 | $ (95) | $ 47 | $ (114)
1.75% Debenture |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Income (charge) associated with the change in fair value from non-credit components recorded in the consolidated statements of operations | 110 | (89) | 47 | (89)
Income (charge) associated with the change in fair value from instrument-specific credit components recorded in AOCL | (1) | (5) | 0 | (5)
Debenture total fair value adjustment | 109 | (94) | 47 | (94)
3.75% Debenture |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Income (charge) associated with the change in fair value from non-credit components recorded in the consolidated statements of operations | 0 | 0 | 0 | (19)
Income (charge) associated with the change in fair value from instrument-specific credit components recorded in AOCL | 0 | 0 | 0 | 15
Realized charges associated with the change in fair value from credit components recorded in the consolidated statement of operations on redemption | 0 | (6) | 0 | (6)
Realized charges associated with the change in fair value from credit components released from AOCL on redemption | 0 | 6 | 0 | 6
Debenture total fair value adjustment | $ 0 | $ 0 | $ 0 | $ (4)

X
- Definition Debenture total fair value adjustment + References No definition available. + Details
Name: | bbry_Debenturetotalfairvalueadjustment
Namespace Prefix: | bbry_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Realized charges associated with the change in fair value from credit components recorded in the consolidated statement of operations on redemption + References No definition available. + Details
Name: | bbry_RealizedChargesAssociatedWithTheChangeInFairValueFromCreditComponentsRecordedInTheConsolidatedStatementOfOperationsOnRedemption
Namespace Prefix: | bbry_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123596393&loc=d3e14172-108612 + Details
Name: | us-gaap_FairValueOptionChangesInFairValueGainLoss1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, before tax, of reclassification adjustment from accumulated other comprehensive income (loss) for unrealized gain (loss) from increase (decrease) in instrument-specific credit risk, realized upon derecognition of financial liability measured under fair value option. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (l) -URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669646-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (d)(4) -URI http://asc.fasb.org/extlink&oid=123596393&loc=d3e14172-108612 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=124509347&loc=d3e689-108580 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=123596393&loc=d3e14172-108612 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 17A -URI http://asc.fasb.org/extlink&oid=124509347&loc=SL34724391-108580 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=124509347&loc=d3e637-108580 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionReclassificationAdjustmentFromAociForDerecognitionBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, before tax and reclassification adjustment, of unrealized gain (loss) from increase (decrease) in instrument-specific credit risk of financial liability measured under fair value option. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=123596393&loc=d3e14172-108612 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123594809&loc=SL75136633-108610 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=124509347&loc=d3e637-108580 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (l) -URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669646-108580 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionUnrealizedGainLossArisingDuringPeriodBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=bbry_A175DebentureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=bbry_A3.75DebentureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |