Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Schedule of Stock Repurchases (Details)

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Stockholders' Equity - Schedule of Stock Repurchases (Details) - USD ($)
 12 Months Ended
Feb. 28, 2021
Feb. 29, 2020
Feb. 28, 2019
Jan. 31, 2021
Jan. 31, 2018
Equity, Class of Treasury Stock [Line Items]          
Dollar value of shares repurchased   $ 50,000,000.0 $ 504,300,000    
Class A and Class B | 2018 Authorization          
Equity, Class of Treasury Stock [Line Items]          
Repurchase authorization         $ 3,000,000,000.0
Class A and Class B | 2021 Authorization          
Equity, Class of Treasury Stock [Line Items]          
Repurchase authorization       $ 2,000,000,000.0  
Class A Common Stock          
Equity, Class of Treasury Stock [Line Items]          
Dollar value of shares repurchased $ 0 $ 50,000,000.0 $ 504,300,000    
Share repurchases (in shares) 0 265,593 2,352,145    
Class A Common Stock | 2018 Authorization          
Equity, Class of Treasury Stock [Line Items]          
Dollar value of shares repurchased $ 0 $ 50,000,000.0 $ 504,300,000    
Share repurchases (in shares) 0 265,593 2,352,145    
Remaining authorized repurchase amount $ 1,954,100,000        
Class A Common Stock | 2021 Authorization          
Equity, Class of Treasury Stock [Line Items]          
Dollar value of shares repurchased $ 0 $ 0 $ 0    
Share repurchases (in shares) 0 0 0