Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Significant Accounting Policies [Line Items]
Cash held at segment	$ 1,951	$ 3,145	$ 2,381	$ 1,133
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	37	38
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	$ 56	47	48
Expense from barter transactions	56	41	48
Advertising and promotional expenses	$ 534	446	$ 442
Software To Be Sold [Member]
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	5 years
Other Current Assets [Member]
Significant Accounting Policies [Line Items]
Prepublication costs	$ 34	35
REA Group [Member]
Significant Accounting Policies [Line Items]
Cash held at segment	$ 60	$ 239
Minimum [Member]
Significant Accounting Policies [Line Items]
Interest owned to exercise significant influence	20.00%
Property, plant and equipment, useful life	3 years
Minimum [Member] | Internal-use Software [Member]
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	2 years
Maximum [Member]
Significant Accounting Policies [Line Items]
Interest owned to exercise significant influence	50.00%
Property, plant and equipment, useful life	50 years
Maximum [Member] | Internal-use Software [Member]
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	10 years