Components of Other Income (Expense), Net (Detail) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Other Income and Expenses [Abstract]
Interest and dividends income	$ 976	$ 681
Interest expense	(698)	(582)
Net recognized gains (losses) on investments	(572)	463
Net gains (losses) on derivatives	1,579	(338)
Net gains (losses) on foreign currency remeasurements	(22)	176
Other, net	(4,923)	(683)
Total	$ (3,660)	$ (283)