Revenue and Segment Disclosures Revenue Contract Balances (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 28, 2022	Feb. 28, 2021	Feb. 29, 2020
Revenue Contract Balances [Line Items]
Deferred revenue	$ (50)	$ (79)	$ (18)
Accounts Receivable [Member]
Revenue Contract Balances [Line Items]
Contract with Customer, Asset, Net	138	188
Increase in contract receivable	702
Decrease in contract asset	(752)
Increase Decrease In Contract with Customer, Asset, Net - Current and Non-Current	(50)
Deferred Revenue
Revenue Contract Balances [Line Items]
Deferred Revenue	244	294
Deferred Revenue, Additions	597
Decrease in deferred revenue due to payment, fulfillment of performance obligations, or other	(647)
Deferred revenue	(50)
Deferred commission
Revenue Contract Balances [Line Items]
Capitalized Contract Cost, Net	16	$ 21
Increase in deferred commission	19
Decrease in deferred commission	(24)
Net change in deferred commission	$ (5)