Borrowings - Commercial Paper Program (Details) - USD ($)	6 Months Ended	12 Months Ended
	Aug. 31, 2025	Feb. 28, 2025
Schedule of Debt [Line Items]
Outstanding borrowings	$ 252,500,000	$ 806,700,000
Commercial paper
Schedule of Debt [Line Items]
Aggregate principal amount	2,250,000,000
Outstanding borrowings	$ 252,500,000	$ 806,700,000
Weighted average interest rate	4.60%	4.70%
Weighted average remaining term	9 days	13 days