Income Taxes - Schedule of Components of Income Tax (Benefit) (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2014		Jun. 30, 2013	Jun. 30, 2012
Current:
Federal	$ 11	[1]	$ 183	$ 29
State & local	(19)	[1]	21	11
Foreign	(734)	[1]	99	104
Total current tax	(742)	[1]	303	144
Federal	17	[1]	(317)	(254)
State & local	12	[1]	(33)	(31)
Foreign	22	[1]	(327)	(196)
Total deferred tax	51	[1]	(677)	(481)
Total income tax (benefit)	$ (691)	[1]	$ (374)	$ (337)

[1] See discussion of Foreign Tax Refund below.