Revenue and Segment Disclosures - Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Details) - USD ($) $ in Millions		3 Months Ended		12 Months Ended
		May 31, 2023	May 31, 2022	Feb. 28, 2023
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Gross Profit		$ 179	$ 104
Cost of sales		194	64
Research and development		54	53
Selling, marketing and administration		99	82
Amortization		15	27
Impairment of goodwill				$ 245
Debentures fair value adjustment		22	(46)
Investment income (loss), net (note 2 and note 5)		3	(1)
Loss before income taxes		(8)	(178)
Total Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Gross Profit		180	105
Cost of sales		193	63
Segment Reconciling Items
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Cost of sales	[1]	1	1
Investment income (loss), net (note 2 and note 5)		$ 3	$ (1)

[1] The CODM reviews segment information on an adjusted basis, which excludes certain amounts as described below:Stock compensation expenses - Equity compensation is a non-cash expense and does not impact the ongoing operating decisions taken by the Company’s management.