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Blackberry Limited and Summary of Significant Accounting Policies and Critical Accounting Estimates (Tables)
12 Months Ended
Feb. 28, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Property Plant And Equipment Useful Lives
Property, plant and equipment are stated at cost, less accumulated amortization. Amortization is provided using the following rates and methods:
Buildings, leasehold improvements and other  Straight-line over terms between 5 and 15 years
BlackBerry operations and other information technology  Straight-line over terms between 3 and 5 years
Manufacturing, repair and research and development equipment  Straight-line over terms between 1 and 5 years
Furniture and fixtures  Declining balance at 20% per annum
Intangible Asset Useful Lives
Intangible assets with definite lives are stated at cost, less accumulated amortization. Amortization is provided on a straight-line basis over the following terms:
Acquired technology  Between 3 and 10 years
Intellectual property  Between 1 and 29 years
Other acquired intangibles  Between 2 and 10 years