Cash Flow and Additional Information - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 28, 2022	Feb. 28, 2021	Feb. 29, 2020
Supplemental Cash Flow Information [Abstract]
Advertising expense	$ 25	$ 24	$ 39
Foreign exchange gains (losses)	$ 1	$ 1	$ 0
Percentage of cash and cash equivalents denominated in foreign currencies	37.00%	20.00%
Percentage of accounts receivable denominated in foreign currencies	23.00%	25.00%
Percentage of accounts payable denominated in foreign currencies	30.00%	34.00%
Percentage of cash, cash equivalents and investments threshold used to determine major issuer	10.00%	13.00%
Cash, Cash Equivalents And Investments	$ 770	$ 804
CEWS subsidy - % of eligible employee's employee insurable remuneration	75.00%
CEWS and CERS final extension date of program	Oct. 23, 2021
CEWS received after this date are subject to repayment if certain conditions are not met	Jun. 05, 2021
CERS subsidy - % of eligible fixed property expenses	65.00%
HHBRP subsidy - % of eligible	50.00%
Government subsidies	$ 46	$ 53