Components of Other Income (Expense), Net (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Other Income And Expenses [Abstract]
Interest and dividends income	$ 519	$ 519	$ 1,542	$ 1,634
Interest expense	(503)	(633)	(1,567)	(1,793)
Net recognized gains (losses) on investments	(76)	353	595	837
Net losses on derivatives	(29)	(2)	(29)	(4)
Net gains (losses) on foreign currency remeasurements	(74)	(55)	(152)	126
Other, net	(11)	6	(9)	76
Total	$ (174)	$ 188	$ 380	$ 876