Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Narrative (Details)

v3.22.1
Stockholders' Equity - Narrative (Details)
 1 Months Ended 12 Months Ended
Apr. 21, 2022
USD ($)
shares
Apr. 07, 2022
USD ($)
shares
Apr. 21, 2022
USD ($)
$ / shares
shares
Feb. 28, 2022
class_of_stock
vote
$ / shares
shares
Feb. 28, 2021
$ / shares
shares
Feb. 29, 2020
$ / shares
shares
Jan. 31, 2021
USD ($)
Jan. 31, 2018
USD ($)
Class of Stock [Line Items]                
Number of classes of common stock with a material number of shares outstanding | class_of_stock       2        
Class B Stock                
Class of Stock [Line Items]                
Number of votes per share | vote       10        
Cash dividends declared per common share (in dollars per share) | $ / shares       $ 2.76 $ 2.72 $ 2.72    
Class B Stock | Subsequent Event                
Class of Stock [Line Items]                
Cash dividends declared per common share (in dollars per share) | $ / shares     $ 0.72          
Class A Stock                
Class of Stock [Line Items]                
Number of votes per share | vote       1        
Common stock, dividend rights       10.00%        
Number of shares repurchased (in shares)       6,179,015 0 265,593    
Cash dividends declared per common share (in dollars per share) | $ / shares       $ 3.04 $ 3.00 $ 3.00    
Class A Stock | Subsequent Event                
Class of Stock [Line Items]                
Repurchase authorization | $   $ 500,000,000            
Number of shares repurchased (in shares)   1,700,000            
Cash dividends declared per common share (in dollars per share) | $ / shares     $ 0.80          
Conversion of shares (in shares)     1.35          
Class A Stock | 2018 Authorization                
Class of Stock [Line Items]                
Number of shares repurchased (in shares)       6,179,015 0 265,593    
Class A Stock | 2018 Authorization | Subsequent Event                
Class of Stock [Line Items]                
Number of shares repurchased (in shares) 12,802,171              
Class A Stock | 2021 Authorization                
Class of Stock [Line Items]                
Number of shares repurchased (in shares)       0 0 0    
Class A Stock | 2021 Authorization | Subsequent Event                
Class of Stock [Line Items]                
Number of shares repurchased (in shares) 0              
Class 1 Stock                
Class of Stock [Line Items]                
Number of votes per share | vote       0        
Class 1 Stock | Subsequent Event                
Class of Stock [Line Items]                
Cash dividends declared per common share (in dollars per share) | $ / shares     $ 0.72          
Class A and Class B | 2018 Authorization                
Class of Stock [Line Items]                
Repurchase authorization | $               $ 3,000,000,000
Class A and Class B | 2018 Authorization | Subsequent Event                
Class of Stock [Line Items]                
Repurchase authorization | $ $ 3,000,000,000   $ 3,000,000,000          
Class A and Class B | 2021 Authorization                
Class of Stock [Line Items]                
Repurchase authorization | $             $ 2,000,000,000  
Class A and Class B | 2021 Authorization | Subsequent Event                
Class of Stock [Line Items]                
Repurchase authorization | $ $ 2,000,000,000   $ 2,000,000,000