Investments - Schedule of (Losses) Earnings of Equity Affiliates (Detail) - USD ($) $ in Millions		12 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Schedule of Equity Method Investments [Line Items]
Equity (losses) earnings of affiliates		$ (295)	$ 30	$ 58
Foxtel [Member]
Schedule of Equity Method Investments [Line Items]
Equity (losses) earnings of affiliates	[1]	(265)	38	59
Other Equity Affiliates, Net [Member]
Schedule of Equity Method Investments [Line Items]
Equity (losses) earnings of affiliates	[2]	$ (30)	$ (8)	$ (1)

[1] During the second quarter of fiscal 2017, the Company recognized a $227 million non-cash write-down of the carrying value of its investment in Foxtel to fair value. The write-down is reflected in Equity (losses) earnings of affiliates in the Statement of Operations for the fiscal year ended June 30, 2017. Refer to the discussion above for further details.

[2] Other equity affiliates, net for the fiscal year ended June 30, 2017 includes losses primarily from the Company's interest in Elara. Additionally, during the fourth quarter of fiscal 2017, the Company recognized impairments of $9 million on certain other equity method investments. The impairments are reflected in Equity (losses) earnings of affiliates in the Statement of Operations for the fiscal year ended June 30, 2017.