Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Nov. 30, 2021	Nov. 30, 2020
Cash flows from operating activities
Net income (loss)	$ (132)	$ (789)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Amortization	142	149
Stock-based compensation	25	33
Gain on sale of investment (note 3)	(22)	0
Impairment of goodwill	0	594
Impairment of long-lived assets	0	21
Debentures fair value adjustment	(47)	114
Operating leases	(12)	(4)
Other	(3)	(4)
Net changes in working capital items
Accounts receivable, net of allowance	44	(1)
Other receivables	8	(7)
Income taxes receivable	1	(4)
Other assets	5	51
Accounts payable	6	(2)
Accrued liabilities	2	(27)
Income taxes payable	5	(13)
Deferred revenue	(59)	(81)
Net cash provided by (used in) operating activities	(37)	30
Cash flows from investing activities
Acquisition of long-term investments	(1)	(1)
Distribution from long-term investments	35	0
Acquisition of property, plant and equipment	(6)	(5)
Acquisition of intangible assets	(22)	(23)
Acquisition of short-term investments	695	770
Proceeds on sale or maturity of restricted short-term investments	24	0
Proceeds on sale or maturity of short-term investments	776	851
Net cash provided by (used in) investing activities	111	52
Cash flows from financing activities
Issuance of common shares	9	10
Finance Lease, Principal Payments	0	(1)
Repurchase of 3.75% Debentures	0	(610)
Issuance of 1.75% Debentures	0	365
Net cash provided by (used in) financing activities	9	(236)
Effect of foreign exchange gain (loss) on cash, cash equivalents, restricted cash, and restricted cash equivalents	(1)	1
Net increase (decrease) in cash, cash equivalents, restricted cash, and restricted cash equivalents during the period	82	(153)
Cash, cash equivalents, restricted cash, and restricted cash equivalents, beginning of period	218	426
Cash, cash equivalents, restricted cash, and restricted cash equivalents, end of period	$ 300	$ 273