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Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent Presented in the Consolidated Statements of Cash Flow (Details) - USD ($)
$ in Millions
Aug. 31, 2024
Feb. 29, 2024
Aug. 31, 2023
Feb. 28, 2023
Cash and Cash Equivalents [Abstract]        
Cash and cash equivalents (note 2) $ 171 $ 175    
Restricted Cash and Cash Equivalents 17 25    
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Total $ 188 $ 200 $ 443 $ 322