Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Narrative (Details)

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Stockholders' Equity - Narrative (Details) - USD ($)
 1 Months Ended 3 Months Ended 6 Months Ended 8 Months Ended 44 Months Ended
Oct. 06, 2021
Aug. 31, 2021
May 31, 2021
Aug. 31, 2021
Oct. 06, 2021
Oct. 06, 2021
Jan. 31, 2021
Jan. 31, 2018
Equity, Class of Treasury Stock [Line Items]                
Dollar Value of Shares Repurchased   $ 904,200,000 $ 400,800,000          
Class A and Class B | 2018 Authorization                
Equity, Class of Treasury Stock [Line Items]                
Repurchase Authorization               $ 3,000,000,000
Class A and Class B | 2021 Authorization                
Equity, Class of Treasury Stock [Line Items]                
Repurchase Authorization             $ 2,000,000,000  
Class A Common Stock | 2018 Authorization                
Equity, Class of Treasury Stock [Line Items]                
Number of shares repurchased (in shares)       5,776,373        
Dollar Value of Shares Repurchased       $ 1,305,000,000        
Class A Common Stock | 2018 Authorization | Subsequent event                
Equity, Class of Treasury Stock [Line Items]                
Number of shares repurchased (in shares) 402,642         11,076,620    
Dollar Value of Shares Repurchased $ 85,500,000         $ 2,436,400,000    
Class A Common Stock | 2021 Authorization | Subsequent event                
Equity, Class of Treasury Stock [Line Items]                
Number of shares repurchased (in shares)         0      
Dollar Value of Shares Repurchased         $ 0