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Cash Flow and Additional Information - Interest and Income Taxes Paid (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Nov. 30, 2021
Nov. 30, 2020
Nov. 30, 2021
Nov. 30, 2020
Supplemental Cash Flow Information [Abstract]        
Interest paid during the period $ 2 $ 2 $ 5 $ 13
Income taxes paid during the period 1 1 5 3
Income tax refunds received during the period $ 1 $ 0 $ 6 $ 1