Income Taxes - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended				0 Months Ended
	Mar. 31, 2015		Mar. 31, 2014		Mar. 31, 2015		Mar. 31, 2014		Mar. 31, 2014
Income Tax Contingency [Line Items]
Tax expenses to others, net	$ 0	[1]	$ 0	[1]	$ 0	[1]	$ 721	[1]
Income tax refunds					5		840
Income taxes paid					81		69
Foreign Tax Authority [Member]
Income Tax Contingency [Line Items]
Refund of taxes plus interest in foreign jurisdiction							794
Tax benefit, net							721
Income tax refunds									794
21st Century Fox [Member]
Income Tax Contingency [Line Items]
Tax benefit, net							721
Tax expenses to others, net							721
Income taxes paid, net									721
21st Century Fox [Member] | Foreign Tax Authority [Member] | Tax Indemnification [Member]
Income Tax Contingency [Line Items]
Tax expenses to others, net							$ 721

[1] See Note 12-Income Taxes