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Earnings (Loss) Per Share - Summary of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Nov. 30, 2021 | Nov. 30, 2020 | Nov. 30, 2021 | Nov. 30, 2020
Earnings Per Share [Abstract] |  |  |  |
Net income (loss) for basic earnings (loss) per share available to common shareholders | $ 74 | $ (130) | $ (132) | $ (789)
Debentures fair value impact on EPS | (110) | 0 | (47) | 0
Interest expense, debt adjustment impact on EPS | 2 | 0 | 5 | 0
Net loss for diluted loss per share available to common shareholders | $ (34) | $ (130) | $ (174) | $ (789)
Weighted-average number of shares outstanding (000's) - basic and diluted (in shares) | 571,138,000 | 562,443,000 | 568,877,000 | 559,732,000
Dilutive Securities, Effect on Basic Earnings Per Share, Dilutive Convertible Securities (in shares) | 60,833,000 | 0 | 60,833,000 | 0
Weighted Average Number of Shares Outstanding, Diluted, Total (in shares) | 631,971,000 | 562,443,000 | 629,710,000 | 559,732,000
Earnings (Loss) Per Share, Basic (in usd per share) | $ 0.13 | $ (0.23) | $ (0.23) | $ (1.41)
Earnings (Loss) Per Share, Diluted (in usd per share) | $ (0.05) | $ (0.23) | $ (0.28) | $ (1.41)
Exchange shares related to Cylance acquisition | 1,421,945 | 2,802,067 | 1,421,945 | 2,802,067

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