Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Nov. 30, 2021	Feb. 28, 2021
Statement of Financial Position [Abstract]
Common outstanding (in shares)	573,666,612	565,505,328
Common issued (in shares)	573,666,612	565,505,328
Accounts Receivable, Allowance for Credit Loss	$ 5	$ 10