Revenues - Summary of Disaggregated Revenue by Type and by Segment (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Disaggregation of Revenue [Line Items]
Revenues	$ 9,879	$ 10,385	$ 9,358
Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	4,447	4,425	4,206
Advertising
Disaggregation of Revenue [Line Items]
Revenues	1,687	1,821	1,594
Consumer
Disaggregation of Revenue [Line Items]
Revenues	1,899	2,106	1,908
Real estate
Disaggregation of Revenue [Line Items]
Revenues	1,189	1,347	1,153
Other
Disaggregation of Revenue [Line Items]
Revenues	657	686	497
Digital Real Estate Services
Disaggregation of Revenue [Line Items]
Revenues	1,539	1,741	1,393
Digital Real Estate Services | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	12	13	25
Digital Real Estate Services | Advertising
Disaggregation of Revenue [Line Items]
Revenues	140	135	126
Digital Real Estate Services | Consumer
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Digital Real Estate Services | Real estate
Disaggregation of Revenue [Line Items]
Revenues	1,189	1,347	1,153
Digital Real Estate Services | Other
Disaggregation of Revenue [Line Items]
Revenues	198	246	89
Subscription Video Services
Disaggregation of Revenue [Line Items]
Revenues	1,942	2,026	2,072
Subscription Video Services | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	1,671	1,753	1,825
Subscription Video Services | Advertising
Disaggregation of Revenue [Line Items]
Revenues	227	232	210
Subscription Video Services | Consumer
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Subscription Video Services | Real estate
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Subscription Video Services | Other
Disaggregation of Revenue [Line Items]
Revenues	44	41	37
Dow Jones
Disaggregation of Revenue [Line Items]
Revenues	2,153	2,004	1,702
Dow Jones | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	1,689	1,516	1,296
Dow Jones | Advertising
Disaggregation of Revenue [Line Items]
Revenues	413	449	373
Dow Jones | Consumer
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Dow Jones | Real estate
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Dow Jones | Other
Disaggregation of Revenue [Line Items]
Revenues	51	39	33
Book Publishing
Disaggregation of Revenue [Line Items]
Revenues	1,979	2,191	1,985
Book Publishing | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Book Publishing | Advertising
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Book Publishing | Consumer
Disaggregation of Revenue [Line Items]
Revenues	1,899	2,106	1,908
Book Publishing | Real estate
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Book Publishing | Other
Disaggregation of Revenue [Line Items]
Revenues	80	85	77
News Media
Disaggregation of Revenue [Line Items]
Revenues	2,266	2,423	2,205
News Media | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	1,075	1,143	1,060
News Media | Advertising
Disaggregation of Revenue [Line Items]
Revenues	907	1,005	885
News Media | Consumer
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
News Media | Real estate
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
News Media | Other
Disaggregation of Revenue [Line Items]
Revenues	284	275	260
Other
Disaggregation of Revenue [Line Items]
Revenues	0	0	1
Other | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Other | Advertising
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Other | Consumer
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Other | Real estate
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Other | Other
Disaggregation of Revenue [Line Items]
Revenues	$ 0	$ 0	$ 1