Capital Stock - Subsequent event (Details) - shares	3 Months Ended
	May 31, 2023	Jun. 26, 2023	Feb. 28, 2023
Equity [Abstract]
Common outstanding (in shares)	583,237,331		582,157,203
Class of Stock [Line Items]
Common outstanding (in shares)	583,237,331		582,157,203
1.75% Debenture
Class of Stock [Line Items]
Conversion of stock (in shares)	60,800,000
Voting Common Stock [Member] | Subsequent Event [Member]
Equity [Abstract]
Common outstanding (in shares)		583,000,000
Class of Stock [Line Items]
Common outstanding (in shares)		583,000,000
Employee Stock Option [Member] | Subsequent Event [Member]
Equity [Abstract]
Common outstanding (in shares)		400,000
Class of Stock [Line Items]
Common outstanding (in shares)		400,000
Restricted Share Units (RSUs) | Subsequent Event [Member]
Equity [Abstract]
Common outstanding (in shares)		18,000,000
Class of Stock [Line Items]
Common outstanding (in shares)		18,000,000
Deferred Share Unit | Subsequent Event [Member]
Equity [Abstract]
Common outstanding (in shares)		2,000,000
Class of Stock [Line Items]
Common outstanding (in shares)		2,000,000