v3.24.1.u1
Debt (Narrative) (Details) - USD ($)
12 Months Ended
Mar. 31, 2024
Feb. 29, 2024
Feb. 28, 2023
Feb. 28, 2022
Debt Instrument [Line Items]        
Long-term Debt   $ 17,959,656,000 $ 17,775,137,000  
Interest Paid, Capitalized, Investing Activities   6,200,000 $ 5,600,000 $ 5,900,000
Credit Facility        
Debt Instrument [Line Items]        
Line of Credit Facility, Maximum Borrowing Capacity   2,000,000,000    
Line of Credit Facility, Remaining Borrowing Capacity   $ 2,000,000,000    
Debt, Weighted Average Interest Rate   3.99% 2.87% 1.97%
Term Loan [Member]        
Debt Instrument [Line Items]        
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate   6.31% 5.47% 1.01%
Long-term Debt   $ 300,000,000    
Senior Notes [Member]        
Debt Instrument [Line Items]        
Long-term Debt   400,000,000    
October 2021 Term Loan        
Debt Instrument [Line Items]        
Long-term Debt   700,000,000    
Warehouse Facility One [Member]        
Debt Instrument [Line Items]        
Warehouse Facilities Maximum Borrowing Capacity $ 3,100,000,000 $ 2,800,000,000    
Line of Credit Facility, Increase (Decrease), Net $ 300,000,000      
Minimum | Financing Obligation        
Debt Instrument [Line Items]        
Initial Lease Terms   15 years    
Maximum | Financing Obligation        
Debt Instrument [Line Items]        
Initial Lease Terms   20 years