Revenue and Segment Disclosures - Long-lived Assets and Total Assets by Geographic Areas (Details) - USD ($) $ in Millions	Aug. 31, 2021	Feb. 28, 2021
Long-lived Assets and Total Assets by Geographic Areas [Line Items]
Long-Lived Assets	$ 1,644	$ 1,731
Assets	2,632	2,818
Canada
Long-lived Assets and Total Assets by Geographic Areas [Line Items]
Long-Lived Assets	252	289
Assets	467	504
United States
Long-lived Assets and Total Assets by Geographic Areas [Line Items]
Long-Lived Assets	1,364	1,411
Assets	1,845	1,963
Other Countries
Long-lived Assets and Total Assets by Geographic Areas [Line Items]
Long-Lived Assets	28	31
Assets	$ 320	$ 351