Background (Narrative) (Details) $ in Millions	9 Months Ended
	Nov. 30, 2019 USD ($) segment
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Reportable segments | segment	2
Minimum | Accounting Standards Update 2016-13 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	$ 200
Maximum | Accounting Standards Update 2016-13 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	$ 250