Components of Other Income (Expense) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Components of Other Income (Expense) [Line Items]
Dividends and interest income	$ 179	$ 159
Interest expense	(118)	(95)
Net recognized losses on investments	(7)	(15)
Net gains (losses) on foreign currency remeasurements	26	(29)
Other	80	202
Total	74	226
Other Income
Components of Other Income (Expense) [Line Items]
Net gains (losses) on derivatives	$ (86)	$ 4