Revenue and Segment Disclosures Revenue Contract Balances (Details) - USD ($) $ in Millions	6 Months Ended
	Aug. 31, 2021	Aug. 31, 2020
Revenue Contract Balances [Line Items]
Increase (Decrease) in Deferred Revenue	$ (50)	$ (57)
Accounts Receivable
Revenue Contract Balances [Line Items]
Contract with Customer, Asset, Net - Current and Non-Current	188
Increase in contract receivable	314
Decrease in contract asset	(376)
Increase (Decrease) In Contract Assets	(62)
Contract with Customer, Asset, Net - Current and Non-Current	126
Deferred Revenue
Revenue Contract Balances [Line Items]
Deferred Revenue	294
Deferred Revenue, Additions	256
Decrease due to payment, fulfillment of performance obligations, or other	(306)
Increase (Decrease) in Deferred Revenue	(50)
Deferred Revenue	244
Deferred Commissions
Revenue Contract Balances [Line Items]
Capitalized Contract Cost, Net	21
Increase in deferred commission	10
Decrease in deferred commission	(13)
Net change in deferred commission	(3)
Capitalized Contract Cost, Net	$ 18