v3.24.1.u1
Stock And Stock-Based Incentive Plans (Narrative) (Details) - USD ($)
12 Months Ended
Feb. 29, 2024
Feb. 28, 2023
Feb. 28, 2022
Preferred Stock      
Stock and Stock-Based Incentive Plans      
Preferred shares authorized (in shares) 20,000,000    
Preferred Stock, par value (in dollars per share) $ 20    
Preferred stock shares outstanding (in shares) 0    
Share Repurchase Program      
Stock and Stock-Based Incentive Plans      
Share repurchase, authorized amount $ 4,000,000,000    
Available for repurchase, as of end of year $ 2,360,100,000 $ 2,451,300,000 $ 774,500,000
Stock Compensation Plan      
Stock and Stock-Based Incentive Plans      
Common stock, shares authorized (in shares) 62,850,000    
Common shares reserved for future grants 6,398,083    
Stock Option      
Stock and Stock-Based Incentive Plans      
Vesting period, in years 4 years    
Years until expiration 7 years    
Cash-Settled Restricted Stock Units      
Stock and Stock-Based Incentive Plans      
Vesting period, in years 3 years    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 1,297,000 1,004,000  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 81.42 $ 97.19  
Cash-Settled Restricted Stock Units | Minimum      
Stock and Stock-Based Incentive Plans      
Cash payment per RSU, percentage 75.00%    
Cash-Settled Restricted Stock Units | Maximum      
Stock and Stock-Based Incentive Plans      
Cash payment per RSU, percentage 200.00%    
Stock-Settled Market Stock Units      
Stock and Stock-Based Incentive Plans      
Vesting period, in years 3 years    
Conversion ratio, number of final trading days in vesting period 40 days    
Share-based Compensation Arrangement by Share-based Payment Award, Conversion Ratio Quotient 2    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 383,000 404,000  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 123.73 $ 120.61  
Stock-Settled Market Stock Units | Minimum      
Stock and Stock-Based Incentive Plans      
Stock units converted to common stock 0    
Stock-Settled Market Stock Units | Maximum      
Stock and Stock-Based Incentive Plans      
Stock units converted to common stock 2    
Performance Shares      
Stock and Stock-Based Incentive Plans      
Vesting period, in years 3 years    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 97,584    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 87.61    
Performance Shares | Fiscal 2022 Grants - Performance Target Not Set      
Stock and Stock-Based Incentive Plans      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 65,077    
Performance Shares | Fiscal 2022 grants - Year 1      
Stock and Stock-Based Incentive Plans      
PSU conversion threshold 200.00%    
Performance Shares | Fiscal 2022 grants - Year 2      
Stock and Stock-Based Incentive Plans      
PSU conversion threshold 4.00%    
Performance Shares | Fiscal 2023 grants - Year 1 [Member]      
Stock and Stock-Based Incentive Plans      
PSU conversion threshold 4.00%    
Performance Shares | Minimum      
Stock and Stock-Based Incentive Plans      
Stock units converted to common stock 0    
PSU conversion threshold 25.00%    
Performance Shares | Maximum      
Stock and Stock-Based Incentive Plans      
Stock units converted to common stock 2    
PSU conversion threshold 200.00%    
Deferred Stock Units      
Stock and Stock-Based Incentive Plans      
Vesting period, in years 1 year    
Stock units converted to common stock 1    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 97,001    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 89.80    
Restricted Stock Awards      
Stock and Stock-Based Incentive Plans      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 0    
Restricted Stock Awards | Minimum      
Stock and Stock-Based Incentive Plans      
Vesting period, in years 1 year    
Restricted Stock Awards | Maximum      
Stock and Stock-Based Incentive Plans      
Vesting period, in years 3 years    
Employee Stock Purchase Plan      
Stock and Stock-Based Incentive Plans      
Common stock, shares authorized (in shares) 8,000,000    
Associate contribution limit 10.00%    
Associate contribution limit, value $ 10,000    
Company match $ 0.15    
Share-based Compensation Arrangement by Share-based Payment Award, Shares Purchased for Award 264,628 251,651 160,093
Stock Issued During Period, Value, Employee Stock Purchase Plan $ 73.74 $ 81.40 $ 125.22
shares remained available under the purchase plan 1,749,564