Leases (Supplemental Balance Sheet Information) (Details) - USD ($) $ in Millions	Feb. 28, 2022	Feb. 28, 2021
Leases [Abstract]
Operating lease right-of-use assets, net	$ 50	$ 63
Operating lease liabilities	66	90
Operating Lease, Liability, Total	94	123
Finance Lease, Right-of-Use Asset, before Accumulated Amortization	0	3
Finance Lease, Right-Of-Use Asset (Accumulated Amortization)	0	3
Finance Lease, Right-of-Use Asset	0	0
Lessee, Lease, Description [Line Items]
Operating Lease, Liability	94	123
Accrued Liabilities [Member]
Leases [Abstract]
Operating Lease, Liability, Total	28	33
Lessee, Lease, Description [Line Items]
Operating Lease, Liability	$ 28	$ 33