Revenues - Summary of Disaggregated Revenue by Type and by Segment (Detail) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Revenues	$ 2,499	$ 2,478
Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	1,129	1,111
Advertising
Disaggregation of Revenue [Line Items]
Revenues	391	406
Consumer
Disaggregation of Revenue [Line Items]
Revenues	502	467
Real estate
Disaggregation of Revenue [Line Items]
Revenues	311	323
Other
Disaggregation of Revenue [Line Items]
Revenues	166	171
Digital Real Estate Services
Disaggregation of Revenue [Line Items]
Revenues	403	421
Digital Real Estate Services | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	3	3
Digital Real Estate Services | Advertising
Disaggregation of Revenue [Line Items]
Revenues	35	35
Digital Real Estate Services | Consumer
Disaggregation of Revenue [Line Items]
Revenues	0	0
Digital Real Estate Services | Real estate
Disaggregation of Revenue [Line Items]
Revenues	311	323
Digital Real Estate Services | Other
Disaggregation of Revenue [Line Items]
Revenues	54	60
Subscription Video Services
Disaggregation of Revenue [Line Items]
Revenues	486	502
Subscription Video Services | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	415	425
Subscription Video Services | Advertising
Disaggregation of Revenue [Line Items]
Revenues	62	64
Subscription Video Services | Consumer
Disaggregation of Revenue [Line Items]
Revenues	0	0
Subscription Video Services | Real estate
Disaggregation of Revenue [Line Items]
Revenues	0	0
Subscription Video Services | Other
Disaggregation of Revenue [Line Items]
Revenues	9	13
Dow Jones
Disaggregation of Revenue [Line Items]
Revenues	537	515
Dow Jones | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	436	414
Dow Jones | Advertising
Disaggregation of Revenue [Line Items]
Revenues	91	94
Dow Jones | Consumer
Disaggregation of Revenue [Line Items]
Revenues	0	0
Dow Jones | Real estate
Disaggregation of Revenue [Line Items]
Revenues	0	0
Dow Jones | Other
Disaggregation of Revenue [Line Items]
Revenues	10	7
Book Publishing
Disaggregation of Revenue [Line Items]
Revenues	525	487
Book Publishing | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	0	0
Book Publishing | Advertising
Disaggregation of Revenue [Line Items]
Revenues	0	0
Book Publishing | Consumer
Disaggregation of Revenue [Line Items]
Revenues	502	467
Book Publishing | Real estate
Disaggregation of Revenue [Line Items]
Revenues	0	0
Book Publishing | Other
Disaggregation of Revenue [Line Items]
Revenues	23	20
News Media
Disaggregation of Revenue [Line Items]
Revenues	548	553
News Media | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	275	269
News Media | Advertising
Disaggregation of Revenue [Line Items]
Revenues	203	213
News Media | Consumer
Disaggregation of Revenue [Line Items]
Revenues	0	0
News Media | Real estate
Disaggregation of Revenue [Line Items]
Revenues	0	0
News Media | Other
Disaggregation of Revenue [Line Items]
Revenues	70	71
Other
Disaggregation of Revenue [Line Items]
Revenues	0	0
Other | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	0	0
Other | Advertising
Disaggregation of Revenue [Line Items]
Revenues	0	0
Other | Consumer
Disaggregation of Revenue [Line Items]
Revenues	0	0
Other | Real estate
Disaggregation of Revenue [Line Items]
Revenues	0	0
Other | Other
Disaggregation of Revenue [Line Items]
Revenues	$ 0	$ 0