Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	May 31, 2020	Feb. 29, 2020
Statement of Financial Position [Abstract]
Common outstanding (in shares)	555,622,606	554,199,016
Common issued (in shares)	555,622,606	554,199,016
Accounts Receivable, Allowance for Credit Loss	$ 13	$ 9