Income Taxes - Schedule of Components of Income Tax (Benefit) Expense (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	[1]	Jun. 30, 2013
Current:
Federal	$ 2	$ 11		$ 183
State & local	11	(19)		21
Foreign	135	(734)		99
Total current tax	148	(742)		303
Deferred:
Federal	(2)	17		(317)
State & local	1	12		(33)
Foreign	(13)	22		(327)
Total deferred tax	(14)	51		(677)
Total income tax (benefit) expense	$ 134	$ (691)		$ (374)

[1] See Discussion of Foreign Tax Refund below.