Revenue and Segment Disclosures - Long-lived Assets and Total Assets by Geographic Areas (Details) - USD ($) $ in Millions	May 31, 2021	Feb. 28, 2021
Long-lived Assets and Total Assets by Geographic Areas [Line Items]
Long-Lived Assets	$ 1,687	$ 1,731
Assets	2,721	2,818
Canada
Long-lived Assets and Total Assets by Geographic Areas [Line Items]
Long-Lived Assets	270	289
Assets	493	504
United States
Long-lived Assets and Total Assets by Geographic Areas [Line Items]
Long-Lived Assets	1,387	1,411
Assets	1,903	1,963
Other Countries
Long-lived Assets and Total Assets by Geographic Areas [Line Items]
Long-Lived Assets	30	31
Assets	$ 325	$ 351