Components of Other Income (Expense), Net (Detail) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Other Income And Expenses [Abstract]
Interest and dividends income	$ 570	$ 724
Interest expense	(589)	(637)
Net recognized gains (losses) on investments	125	(57)
Net gains on derivatives	3	46
Net gains (losses) on foreign currency remeasurements	139	(58)
Other, net	0	(18)
Total	$ 248	$ 0