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Share Repurchases (Detail) - USD ($)
$ in Millions
3 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Share Repurchase Program 2021    
Share Repurchases [Line Items]    
Shares of common stock repurchased 17,000,000  
Value of common stock repurchased $ 4,600  
Share Repurchase Program 2019    
Share Repurchases [Line Items]    
Shares of common stock repurchased   21,000,000
Value of common stock repurchased   $ 6,200