Income Taxes - Effective Income Tax Rate Reconciliation (Parenthetical) (Detail) - USD ($) $ in Millions		12 Months Ended
		Jun. 30, 2019	Jun. 30, 2018		Jun. 30, 2017		Jun. 30, 2016
Income Taxes Disclosure [Line Items]
U.S. federal income tax rate	[1]		28.00%		35.00%		35.00%
Non-cash impairment charge			$ 280		$ 785		$ 0
Non-cash impairment charge			218	[2]	48	[3]
Income tax expense, net	[4]		355		28		$ (54)
Foreign tax authority settlement, net income tax expense (benefit)			$ 49		$ 63
Effective tax rate	[5]		(33.00%)		(5.00%)		(30.00%)
United Kingdom Fixed Assets[Member]
Income Taxes Disclosure [Line Items]
Non-cash impairment charge					$ 360
Non-deductible goodwill, asset and investment impairment					29
Australian subsidiaries[Member]
Income Taxes Disclosure [Line Items]
Non-cash impairment charge			$ 1,100
Non-cash impairment charge			218
Scenario, Plan [Member]
Income Taxes Disclosure [Line Items]
U.S. federal income tax rate		21.00%
Current Income Tax Expense [Member]
Income Taxes Disclosure [Line Items]
Foreign tax authority settlement, net income tax expense (benefit)			2
Deferred Income Taxes [Member]
Income Taxes Disclosure [Line Items]
Foreign tax authority settlement, net income tax expense (benefit)			47
U.S. Tax Cuts and Jobs Act [Member]
Income Taxes Disclosure [Line Items]
Income tax expense, net			237
Foreign Tax Authority [Member] | SEC Schedule, 12-09, Valuation Allowance, Operating Loss Carryforward [Member]
Income Taxes Disclosure [Line Items]
Change in valuation allowance tax benefit			64		40
U.S. Federal [Member] | SEC Schedule, 12-09, Valuation Allowance, Operating Loss Carryforward [Member]
Income Taxes Disclosure [Line Items]
Change in valuation allowance tax benefit							$ 106
Goodwill [Member]
Income Taxes Disclosure [Line Items]
Non-deductible goodwill, asset and investment impairment					$ 12
Goodwill [Member] | Australian subsidiaries[Member]
Income Taxes Disclosure [Line Items]
Non-deductible goodwill, asset and investment impairment			54
Asset And Investment [Member] | Australian subsidiaries[Member]
Income Taxes Disclosure [Line Items]
Non-deductible goodwill, asset and investment impairment			$ 301

[1] As the Company has a June 30 fiscal year-end, the impact of the lower tax rate from the Tax Act will be phased in resulting in a U.S. statutory federal tax rate of approximately 28% for the fiscal year ended June 30, 2018 and a 21% U.S. statutory federal tax rate for fiscal years thereafter.

[2] In the News and Information Services segment, the write-down of goodwill primarily relates to the News America Marketing reporting unit, and in the Subscription Video Services segment the write-down primarily relates to the FOX SPORTS Australia reporting unit. In the Digital Real Estate Services segment, the write-down of goodwill relates to the Company's DIAKRIT reporting unit.

[3] In the News and Information Services segment, the write-down of goodwill primarily relates to a reporting unit in the U.K. In the Digital Real Estate Services segment, the write-down of goodwill relates to the Company's DIAKRIT reporting unit.

[4] The Company recognized a tax benefit of approximately $144 million upon reclassification of the Digital Education segment to discontinued operations in (Loss) income from discontinued operations, net of tax, in the Statement of Operations in fiscal year 2016. In addition, a tax benefit of $30 million related to the operations of the Digital Education segment was recorded to discontinued operations in (Loss) income from discontinued operations, net of tax, in the Statement of Operations in fiscal year 2016. The tax expense (benefit) shown above excludes the tax benefit of the Company's digital education business in fiscal year 2016.

[5] For the fiscal years ended June 30, 2018 and June 30, 2017, the effective tax rates of (33)% and (5)%, respectively, represents income tax expense when compared to consolidated pre-tax book loss. For the fiscal year ended June 30, 2016, the effective tax rate of (30)% represents income tax benefit when compared to consolidated pre-tax book income.