Components of Other Income (Expense), Net (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Components of Other Income (Expense) [Line Items]
Dividends and interest income	$ 230	$ 160	$ 629	$ 568
Interest expense	(340)	(211)	(898)	(534)
Net recognized gains on investments	85	169	193	565
Net losses on derivatives	(155)	(114)	(414)	(386)
Net gains (losses) on foreign currency remeasurements	(18)	(54)	(52)	107
Other	(49)	(27)	(156)	(271)
Total	$ (247)	$ (77)	$ (698)	$ 49