Consolidated Balance Sheets Detail - Property, Plant and Equipment (Details) - USD ($) $ in Millions	May 31, 2023	Feb. 28, 2023
Property, Plant and Equipment [Line Items]
Cost of property, plant and equipment	$ 115	$ 114
Accumulated amortization	91	89
Net book value	24	25
BlackBerry operations and other information technology
Property, Plant and Equipment [Line Items]
Cost of property, plant and equipment	85	84
Leasehold improvements and other
Property, Plant and Equipment [Line Items]
Cost of property, plant and equipment	19	19
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Cost of property, plant and equipment	9	9
Manufacturing, repair and research and development equipment
Property, Plant and Equipment [Line Items]
Cost of property, plant and equipment	$ 2	$ 2