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Subsequent Events (Details) - USD ($)
shares in Millions, $ in Millions
1 Months Ended 3 Months Ended 9 Months Ended
Dec. 03, 2021
Jul. 31, 2021
Oct. 30, 2021
Oct. 30, 2021
Subsequent Event [Line Items]        
Amount repurchased     $ 365 $ 1,559
July 2021        
Subsequent Event [Line Items]        
Shares repurchased (in shares)   10.0    
Amount repurchased   $ 730    
Subsequent Event | July 2021        
Subsequent Event [Line Items]        
Shares repurchased (in shares) 2.2      
Amount repurchased $ 166