Revenues - Summary of Disaggregated Revenue by Type and by Segment (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Disaggregation of Revenue [Line Items]
Revenues	$ 10,074	$ 9,024	$ 8,139
Circulation and Subscription [Member]
Disaggregation of Revenue [Line Items]
Revenues	4,104	3,021	2,470
Advertising [Member]
Disaggregation of Revenue [Line Items]
Revenues	2,738	2,856	2,905
Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenues	1,679	1,664	1,573
Real Estate [Member]
Disaggregation of Revenue [Line Items]
Revenues	908	858	696
Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	645	625	495
News and Information Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	4,956	5,119	5,069
News and Information Services [Member] | Circulation and Subscription [Member]
Disaggregation of Revenue [Line Items]
Revenues	2,128
News and Information Services [Member] | Advertising [Member]
Disaggregation of Revenue [Line Items]
Revenues	2,400
News and Information Services [Member] | Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenues	0
News and Information Services [Member] | Real Estate [Member]
Disaggregation of Revenue [Line Items]
Revenues	0
News and Information Services [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	428
Subscription Video Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	2,202	1,004	494
Subscription Video Services [Member] | Circulation and Subscription [Member]
Disaggregation of Revenue [Line Items]
Revenues	1,926
Subscription Video Services [Member] | Advertising [Member]
Disaggregation of Revenue [Line Items]
Revenues	215
Subscription Video Services [Member] | Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenues	0
Subscription Video Services [Member] | Real Estate [Member]
Disaggregation of Revenue [Line Items]
Revenues	0
Subscription Video Services [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	61
Book Publishing [Member]
Disaggregation of Revenue [Line Items]
Revenues	1,754	1,758	1,636
Book Publishing [Member] | Circulation and Subscription [Member]
Disaggregation of Revenue [Line Items]
Revenues	0
Book Publishing [Member] | Advertising [Member]
Disaggregation of Revenue [Line Items]
Revenues	0
Book Publishing [Member] | Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenues	1,679
Book Publishing [Member] | Real Estate [Member]
Disaggregation of Revenue [Line Items]
Revenues	0
Book Publishing [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	75
Digital Real Estate Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	1,159	$ 1,141	$ 938
Digital Real Estate Services [Member] | Circulation and Subscription [Member]
Disaggregation of Revenue [Line Items]
Revenues	49
Digital Real Estate Services [Member] | Advertising [Member]
Disaggregation of Revenue [Line Items]
Revenues	122
Digital Real Estate Services [Member] | Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenues	0
Digital Real Estate Services [Member] | Real Estate [Member]
Disaggregation of Revenue [Line Items]
Revenues	908
Digital Real Estate Services [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	80
Other Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	3
Other Services [Member] | Circulation and Subscription [Member]
Disaggregation of Revenue [Line Items]
Revenues	1
Other Services [Member] | Advertising [Member]
Disaggregation of Revenue [Line Items]
Revenues	1
Other Services [Member] | Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenues	0
Other Services [Member] | Real Estate [Member]
Disaggregation of Revenue [Line Items]
Revenues	0
Other Services [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 1