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Dividends Declared (Detail) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Dec. 31, 2022
Sep. 30, 2022
Dec. 31, 2021
Sep. 30, 2021
Dec. 31, 2022
Dec. 31, 2021
Equity [Abstract]            
Declaration Date Nov. 29, 2022 Sep. 20, 2022 Dec. 07, 2021 Sep. 14, 2021    
Record Date Feb. 16, 2023 Nov. 17, 2022 Feb. 17, 2022 Nov. 18, 2021    
Payment Date Mar. 09, 2023 Dec. 08, 2022 Mar. 10, 2022 Dec. 09, 2021    
Dividend Per Share $ 0.68 $ 0.68 $ 0.62 $ 0.62 $ 1.36 $ 1.24
Amount $ 5,064 $ 5,066 $ 4,645 $ 4,652 $ 10,130 $ 9,297