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Stockholders' Equity (Deficit) - Narrative (Details)
1 Months Ended 3 Months Ended
Jul. 23, 2021
$ / shares
Jul. 22, 2021
$ / shares
May 31, 2021
USD ($)
Jun. 30, 2021
USD ($)
vote
$ / shares
shares
Jun. 30, 2020
$ / shares
shares
Jan. 31, 2021
USD ($)
Accelerated Share Repurchases [Line Items]            
Number of votes per share of common stock permitted on proposals presented to stockholders (vote) | vote       1    
Dividends declared per common share (in dollars per share) | $ / shares       $ 0.42 $ 0.41  
Shares repurchased       $ 1,000,000,000    
Share repurchases (shares) | shares         0  
Approved increase to the authorized share repurchase amount           $ 2,000,000,000.0
Authorized amount available for future repurchases       $ 1,800,000,000    
Subsequent Event            
Accelerated Share Repurchases [Line Items]            
Dividends declared per common share (in dollars per share) | $ / shares $ 0.47 $ 0.42        
Accelerated Share Repurchase            
Accelerated Share Repurchases [Line Items]            
Shares repurchased     $ 1,000,000,000.0      
Share repurchases (shares) | shares       4,300,000