Leases (Additional Information) (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 28, 2021	Feb. 29, 2020	Feb. 28, 2019
Leases [Abstract]
Lessee, Operating Lease, Renewal Term	10 years
Lessor, Operating Lease, Option to Terminate	three months
Impairment of Long-Lived Assets Held-for-use	$ 43	$ 10	$ 0
Lessee, Lease, Description [Line Items]
Impairment Of Right of Use Assets	37	8
Lease Obligation Incurred	4	1
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	4	1
Sublease Income	1	2
Short-term Lease, Cost	$ 2	$ 2
Maximum
Lessee, Lease, Description [Line Items]
Lessee, Remaining Lease Term	7 years
Minimum
Lessee, Lease, Description [Line Items]
Lessee, Remaining Lease Term	1 year