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Debt (Narrative) (Details) - USD ($)
12 Months Ended
Feb. 28, 2022
Feb. 28, 2021
Feb. 29, 2020
Debt Instrument [Line Items]      
Long-term Debt $ 18,175,019,000 $ 14,619,919,000  
Interest Paid, Capitalized, Investing Activities 5,900,000 $ 3,300,000 $ 7,000,000
Credit Facility      
Debt Instrument [Line Items]      
Line of Credit Facility, Maximum Borrowing Capacity 2,000,000,000    
Line of Credit Facility, Remaining Borrowing Capacity $ 756,500,000    
Debt, Weighted Average Interest Rate 1.97% 1.74% 3.23%
Term Loan [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate 1.01%    
Long-term Debt $ 300,000,000    
Senior Notes [Member]      
Debt Instrument [Line Items]      
Long-term Debt 500,000,000    
October 2021 Term Loan      
Debt Instrument [Line Items]      
Long-term Debt $ 700,000,000    
Minimum | Financing Obligation      
Debt Instrument [Line Items]      
Initial Lease Terms 15 years    
Maximum | Financing Obligation      
Debt Instrument [Line Items]      
Initial Lease Terms 20 years