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