Consolidated Balance Sheets Detail - Property, Plant and Equipment (Details) - USD ($) $ in Millions	12 Months Ended
Feb. 28, 2021	Feb. 29, 2020	Feb. 28, 2019
Property, Plant and Equipment [Line Items]
Cost of property, plant and equipment	$ 259	$ 240
Accumulated amortization	211	170
Net book value	48	70
Depreciation	21	24	$ 20
Buildings, leasehold improvements and other
Property, Plant and Equipment [Line Items]
Cost of property, plant and equipment	67	72
BlackBerry operations and other information technology
Property, Plant and Equipment [Line Items]
Cost of property, plant and equipment	110	84
Manufacturing, repair and research and development equipment
Property, Plant and Equipment [Line Items]
Cost of property, plant and equipment	72	73
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Cost of property, plant and equipment	$ 10	$ 11

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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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.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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