Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Nov. 30, 2024	Nov. 30, 2023
Cash flows from operating activities
Net loss	$ (72)	$ (74)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Amortization	39	46
Stock-based compensation	21	28
Impairment of long-lived assets total (note 3)	4	11
Intellectual property disposed of by sale	0	147
Prior debentures fair value adjustment	0	3
Operating leases	(8)	(7)
Net changes in working capital items
Accounts receivable, net of allowance	27	(63)
Other receivables	13	4
Income taxes receivable	(1)	(2)
Other assets	(22)	(58)
Accounts payable	(7)	(7)
Accrued liabilities	5	(16)
Income taxes payable	5	13
Deferred revenue	(29)	(13)
Net cash provided by (used in) operating activities	(25)	12
Cash flows from investing activities
Acquisition of long-term investments	0	2
Acquisition of property, plant and equipment	(3)	(5)
Acquisition of intangible assets	(6)	(12)
Acquisition of short-term investments	92	92
Proceeds on sale or maturity of short-term investments	123	223
Net cash provided by investing activities	22	112
Cash flows from financing activities
Issuance of common shares	3	4
Maturities of 2020 Debentures (note 6)	0	(365)
Issuance of Extension Debentures (note 6)	0	150
Net cash used in financing activities	3	(211)
Net decrease in cash, cash equivalents, restricted cash, and restricted cash equivalents during the period	0	(87)
Cash, cash equivalents, restricted cash, and restricted cash equivalents, beginning of period	200	322
Cash, cash equivalents, restricted cash, and restricted cash equivalents, end of period	$ 200	$ 235