Investments - Schedule of Available-for-Sale Investments (Detail) - USD ($) $ in Millions		Jun. 30, 2015	Jun. 30, 2014
Investments Schedule [Abstract]
Cost basis of available-for-sale investments		$ 164	$ 113
Accumulated gross unrealized gain		46	38
Accumulated gross unrealized loss		(25)	0
Fair value of available-for-sale investments	[1]	185	151
Net deferred tax liability		$ 11	$ 14

[1] During fiscal 2015, the Company purchased a 14.99% interest in APN News and Media Limited ("APN") for approximately $112 million. APN operates a portfolio of Australian and New Zealand radio and outdoor media assets and small regional print interests. In August 2014, REA Group completed the sale of a minority interest held in marketable securities for total cash consideration of $104 million. As a result of the sale, REA Group recognized a pre-tax gain of $29 million, which was reclassified out of accumulated other comprehensive (loss) income and included in Other, net in the Statement of Operations.