Cash Flow and Additional Information - Interest and Income Taxes Paid (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Nov. 30, 2022	Nov. 30, 2021	Nov. 30, 2022	Nov. 30, 2021
Supplemental Cash Flow Information [Abstract]
Interest paid during the period	$ 2	$ 2	$ 5	$ 5
Income taxes paid during the period	0	1	2	5
Income tax refunds received during the period	$ 5	$ 1	$ 5	$ 6