Consolidated Balance Sheets Detail - Property, Plant and Equipment (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Feb. 28, 2026 |
Feb. 28, 2025 |
Feb. 29, 2024 |
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| Property, Plant, and Equipment [Line Items] | |||
| Cost of property, plant and equipment | $ 98.2 | $ 97.9 | |
| Accumulated amortization | 85.9 | 84.5 | |
| Net book value | 12.3 | 13.4 | |
| Depreciation | 5.4 | 7.6 | $ 9.9 |
| BlackBerry operations and other information technology | |||
| Property, Plant, and Equipment [Line Items] | |||
| Cost of property, plant and equipment | 78.0 | 80.6 | |
| Leasehold improvements and other | |||
| Property, Plant, and Equipment [Line Items] | |||
| Cost of property, plant and equipment | 12.9 | 10.5 | |
| Furniture and fixtures | |||
| Property, Plant, and Equipment [Line Items] | |||
| Cost of property, plant and equipment | 4.8 | 4.6 | |
| Manufacturing, repair and research and development equipment | |||
| Property, Plant, and Equipment [Line Items] | |||
| Cost of property, plant and equipment | $ 2.5 | $ 2.2 | |
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- Definition Amount of accumulated depreciation, depletion, and amortization of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, before accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- 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. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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