Borrowings - Schedule of Borrowings (Details) - USD ($) $ in Millions	May 31, 2025	Feb. 28, 2025
Schedule of Debt [Line Items]
Short-term borrowings	$ 377.5	$ 806.7
Long-term Debt
Other, current	4.4
Other, long-term	3.7
Other, total	8.1	8.7
Long-term debt, current	1,403.0	1,402.0
Long-term debt, long-term	9,786.5	9,289.0
Long-term debt, total	11,189.5	10,691.0
Unsecured debt | Senior notes
Long-term Debt
Unsecured debt, current	1,398.6
Unsecured debt, long-term	9,782.8
Unsecured debt, total	11,181.4	10,682.3
Commercial paper
Schedule of Debt [Line Items]
Short-term borrowings	$ 377.5	$ 806.7