Income Taxes - Schedule of (Loss) Income Before Income Tax (Benefit) Expense Attributable to Jurisdictions (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014	[1]
Income Tax Disclosure [Abstract]
U.S.	$ (125)	$ 148	$ (602)
Foreign	306	404	424
Income (loss) from continuing operations before income tax benefit (expense)	$ 181	$ 552	$ (178)

[1] See Discussion of Foreign Tax Refund below.