Dividends Declared (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended						9 Months Ended
	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Mar. 31, 2023	Mar. 31, 2022
Equity [Abstract]
Declaration Date	Mar. 14, 2023	Nov. 29, 2022	Sep. 20, 2022	Mar. 14, 2022	Dec. 07, 2021	Sep. 14, 2021
Record Date	May 18, 2023	Feb. 16, 2023	Nov. 17, 2022	May 19, 2022	Feb. 17, 2022	Nov. 18, 2021
Payment Date	Jun. 08, 2023	Mar. 09, 2023	Dec. 08, 2022	Jun. 09, 2022	Mar. 10, 2022	Dec. 09, 2021
Dividend Per Share	$ 0.68	$ 0.68	$ 0.68	$ 0.62	$ 0.62	$ 0.62	$ 2.04	$ 1.86
Amount	$ 5,057	$ 5,059	$ 5,066	$ 4,632	$ 4,645	$ 4,652	$ 15,182	$ 13,929