Additional Financial Information - Components of Other, Net Included in Statements of Operations (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Dec. 31, 2012	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2012
Components of Other Income (Expense) [Line Items]
Foreign tax refund payable to 21st Century Fox		$ (721)	[1]	$ 0	[1]	$ 0	[1]
Gain on third party pension contribution		37	[2]	0	[2]	0	[2]
Gain on CMH transaction	1,300	0	[3]	1,263	[3]	0	[3]
Investment write-offs		(10)		0	[4]	(30)	[4]
Other		(5)		(3)		(7)
Total Other, net		(653)		1,593		(59)
Australia [Member]
Components of Other Income (Expense) [Line Items]
Gain on sale of property		36
U.K. Newspaper Division Headquarters [Member]
Components of Other Income (Expense) [Line Items]
Gain (Loss) on sale of business		0	[3],[5]	0	[3],[5]	(22)	[3],[5]
SKY Network Television Ltd. [Member]
Components of Other Income (Expense) [Line Items]
Gain on sale of investment		0	[4]	321	[4]	0	[4]
Financial Indexes Business Transactions [Member]
Components of Other Income (Expense) [Line Items]
Gain (Loss) on sale of business		$ 0	[6]	$ 12	[6]	$ 0	[6]

[1] See Note 17-Income Taxes

[2] See Note 15-Retirement Benefit Obligations

[3] See Note 3-Acquisitions, Disposals and Other Transactions

[4] See Note 5-Investments

[5] The Company owned 25% of Foxtel through November 2012. In November 2012, the Company increased its ownership in Foxtel to 50% as a result of the CMH acquisition. In accordance with ASC 350, the Company amortized $62 million, $43 million and nil related to excess cost over the Company's proportionate share of its investment's underlying net assets allocated to finite-lived intangible assets during the fiscal years ended June 30, 2014, 2013 and 2012, respectively. Such amortization is reflected in Equity earnings of affiliates in the Statements of Operations.

[6] In April 2013, the Company sold its 10% investment in its venture with CME. The Company recorded a gain of $12 million on this transaction which was recorded in Other, net for the fiscal year ended June 30, 2013. In addition, as a result of the transaction, the Company was released from its agreement to indemnify CME with respect to any payment of principal, premium and interest made by CME under its guarantee of the third-party debt issued by the joint venture.