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		9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Commitments and Contingencies [Line Items]
Net impact on Selling, general and administrative expenses	$ 683	$ 644	$ 2,035	$ 1,917
U.K. Newspaper Matters Indemnification [Member]
Commitments and Contingencies [Line Items]
Indemnification from 21st Century Fox	(9)	(26)	(33)	(81)
U.K. Newspaper Matters [Member]
Commitments and Contingencies [Line Items]
Gross legal and professional fees related to the U.K. Newspaper Matters	24	46	75	137
Net impact on Selling, general and administrative expenses	$ 15	$ 20	$ 42	$ 56