Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Aug. 31, 2024	Aug. 31, 2023
Cash flows from operating activities
Net loss	$ (61)	$ (53)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Amortization	26	32
Stock-based compensation	15	20
Impairment of long-lived assets (note 2)	3	1
Intellectual property disposed of by sale	0	147
Debentures fair value adjustment	0	16
Operating leases	(4)	(5)
Other	(2)	0
Net changes in working capital items
Accounts receivable, net of allowance	49	(7)
Other receivables	0	4
Income taxes receivable	0	(2)
Other assets	(6)	(61)
Accounts payable	(10)	(6)
Accrued liabilities	(5)	(24)
Income taxes payable	0	1
Deferred revenue	(33)	(20)
Net cash provided by (used in) operating activities	(28)	43
Cash flows from investing activities
Acquisition of long-term investments	0	1
Acquisition of property, plant and equipment	(3)	(3)
Acquisition of intangible assets	(4)	(10)
Acquisition of short-term investments	72	92
Proceeds on sale or maturity of short-term investments	94	182
Net cash provided by investing activities	15	76
Cash flows from financing activities
Issuance of common shares	1	2
Net cash provided by financing activities	1	2
Net increase (decrease) in cash, cash equivalents, restricted cash, and restricted cash equivalents during the period	(12)	121
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	$ 188	$ 443