Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Feb. 28, 2022	Feb. 28, 2021	Feb. 29, 2020
Cash flows from operating activities
Net income (loss)	$ 12	$ (1,104)	$ (152)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Amortization	176	198	212
Stock-based compensation	36	44	63
Gain on sale of investment (note 3)	(22)	0	0
Impairment of goodwill	0	594	22
Impairment of Long-Lived Assets Held-for-use	0	43	10
Non-cash consideration received from contracts with customers	0	0	(8)
Debentures fair value adjustment	(212)	372	(66)
Operating leases	(16)	(4)	(9)
Other	(3)	(5)	12
Net changes in working capital items
Accounts receivable, net of allowance	44	29	18
Other receivables	0	(11)	5
Income taxes receivable	1	(4)	3
Other assets	15	55	(35)
Accounts payable	2	(11)	(17)
Accrued liabilities	(16)	(20)	(15)
Income taxes payable	5	(15)	1
Deferred revenue	(50)	(79)	(18)
Net cash provided by (used in) operating activities	(28)	82	26
Cash flows from investing activities
Acquisition of long-term investments	(1)	(5)	(1)
Proceeds on sale, maturity or distribution from long-term investments	35	0	19
Acquisition of property, plant and equipment	(8)	(8)	(12)
Acquisition of intangible assets	(31)	(36)	(32)
Change in consideration for business acquisition	0	0	1
Acquisition of short-term investments	(916)	(1,039)	(1,180)
Acquisition of restricted short-term investments	0	(24)	0
Proceeds on sale or maturity of restricted short-term investments	24	0	0
Proceeds on sale or maturity of short-term investments	1,104	1,047	1,017
Net cash used in investing activities	207	(65)	(188)
Cash flows from financing activities
Issuance of common shares	10	19	9
Finance Lease, Principal Payments	0	(1)	(2)
Repurchase of 3.75% Debentures	0	(610)	0
Issuance of 1.75% Debentures	0	365	0
Net cash provided by (used in) financing activities	10	(227)	7
Effect of foreign exchange gain (loss) on cash, cash equivalents, restricted cash, and restricted cash equivalents	(1)	2	(1)
Net increase (decrease) in cash, cash equivalents, restricted cash, and restricted cash equivalents during the period	188	(208)	(156)
Cash, cash equivalents, restricted cash, and restricted cash equivalents, beginning of period	218	426	582
Cash, cash equivalents, restricted cash, and restricted cash equivalents, end of period	$ 406	$ 218	$ 426