Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Significant Accounting Policies [Line Items]
Cash held at segment	$ 1,832,000,000	$ 1,951,000,000	$ 3,145,000,000	$ 2,381,000,000
Restricted cash	$ 315,000,000	0
Prepublication costs amortization description	Prepublication costs are amortized from the year of publication over their estimated useful lives, using the straight-line method for capitalized costs with an estimated useful life of one year or less and sum of the years' digits for capitalized costs exceeding one year.
Amortization of prepublication costs	$ 43,000,000	43,000,000	37,000,000
Insignificant influence on investments	Generally less than a 20% ownership interest
Unearned advance write-off policy	Recovery and a provision is established to write-off the unearned advance, usually between 6 and 12 months after publication
Revenues from barter transactions	$ 58,000,000	56,000,000	47,000,000
Expense from barter transactions	58,000,000	56,000,000	41,000,000
Advertising and promotional expenses	$ 607,000,000	530,000,000	$ 442,000,000
Minimum [Member]
Significant Accounting Policies [Line Items]
Interest owned to exercise significant influence	20.00%
Property, plant and equipment, useful life	3 years
Maximum [Member]
Significant Accounting Policies [Line Items]
Interest owned to exercise significant influence	50.00%
Property, plant and equipment, useful life	50 years
Internal-use Software [Member] | Minimum [Member]
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	2 years
Internal-use Software [Member] | Maximum [Member]
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	10 years
Adjustments for New Accounting Principle, Early Adoption [Member] | Level 1 [Member]
Significant Accounting Policies [Line Items]
Reduction in pension assets	$ 0	(104,000,000)
Adjustments for New Accounting Principle, Early Adoption [Member] | Level 2 [Member]
Significant Accounting Policies [Line Items]
Reduction in pension assets	(1,297,000,000)	(1,307,000,000)
Other Current Assets [Member]
Significant Accounting Policies [Line Items]
Prepublication costs	33,000,000	34,000,000
REA Group [Member]
Significant Accounting Policies [Line Items]
Cash held at segment	$ 95,000,000	$ 60,000,000