Income Taxes - Schedule of (Loss) Income from Continuing Operations Before Income Tax Expense (Benefit) Attributable to Jurisdictions (Detail) - USD ($) $ in Millions		12 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Schedule Of Components Of Income Tax Expense Benefit [Line Items]
Income tax expense	[1]	$ 355	$ 28	$ (54)
U.S.		(55)	84	(125)
Foreign		(1,034)	(699)	306
(Loss) income from continuing operations before income tax (expense) benefit		(1,089)	$ (615)	$ 181
U.S. Tax Cuts and Jobs Act [Member]
Schedule Of Components Of Income Tax Expense Benefit [Line Items]
Re-measurement of deferred tax balances		141
Valuation allowance recorded due to impact of GILTI and BEAT		64
Transition tax		26
Other		6
Income tax expense		$ 237

[1] 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.