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Income Taxes - Additional Information (Details) - USD ($)
$ in Millions
9 Months Ended
Nov. 30, 2021
Nov. 30, 2020
Feb. 28, 2021
Income Tax Disclosure [Abstract]      
Effective Income Recovery (Expense) Tax Rate Reconciliation, Percent (5.00%) 1.00%  
Unrecognized Tax Benefits $ 19   $ 24
Unrecognized tax benefits netted against deferred income taxes 19    
Unrecognized tax benefits included within taxes payable $ 0