v3.26.1
Fair Value of Financial Instruments - Debt and Investments (Details) - USD ($)
$ in Millions
May 31, 2026
Feb. 28, 2026
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, including current portion $ 10,197.5 $ 10,296.5
Carrying amount    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, including current portion 10,197.5 10,296.5
Fair value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, including current portion $ 9,588.0 $ 9,858.2