Debt (Narrative) (Details) - USD ($) $ in Thousands	6 Months Ended
	Aug. 31, 2025	Aug. 31, 2024	Sep. 12, 2025	Feb. 28, 2025
Debt Instrument [Line Items]
Outstanding Balance	$ 17,817,387			$ 18,137,340
Capitalized interest	6,800	$ 3,100
Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	2,000,000
Unused capacity	2,000,000
Senior Notes [Member]
Debt Instrument [Line Items]
Outstanding Balance	$ 400,000
Financing obligation | Minimum
Debt Instrument [Line Items]
Initial lease terms, in years	15 years
Financing obligation | Maximum
Debt Instrument [Line Items]
Initial lease terms, in years	20 years
October 2021 Term Loan
Debt Instrument [Line Items]
Outstanding Balance	$ 700,000
Long-Term Debt, Percentage Bearing Variable Interest, Percentage Rate	5.36%
Warehouse Facility One
Debt Instrument [Line Items]
Warehouse Facilities Maximum Borrowing Capacity	$ 2,300,000		$ 2,550,000