Commitments and Contingencies - Net Impact of U.K. Newspaper Matters on Selling, General and Administrative Expenses (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Commitments and Contingencies [Line Items]
Net impact on Selling, general and administrative expenses	$ 686	$ 637	$ 1,352	$ 1,273
U.K. Newspaper Matters Indemnification [Member]
Commitments and Contingencies [Line Items]
Indemnification from 21st Century Fox	(10)	(32)	(24)	(55)
U.K. Newspaper Matters [Member]
Commitments and Contingencies [Line Items]
Gross legal and professional fees related to the U.K. Newspaper Matters	23	51	51	91
Net impact on Selling, general and administrative expenses	$ 13	$ 19	$ 27	$ 36