Revenues - Summary of Disaggregated Revenue by Type and by Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Disaggregation of Revenue [Line Items]
Revenues	$ 2,577	$ 2,499
Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	1,157	1,129
Advertising
Disaggregation of Revenue [Line Items]
Revenues	381	391
Consumer
Disaggregation of Revenue [Line Items]
Revenues	521	502
Real estate
Disaggregation of Revenue [Line Items]
Revenues	357	311
Other
Disaggregation of Revenue [Line Items]
Revenues	161	166
Digital Real Estate Services
Disaggregation of Revenue [Line Items]
Revenues	457	403
Digital Real Estate Services | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	2	3
Digital Real Estate Services | Advertising
Disaggregation of Revenue [Line Items]
Revenues	38	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	357	311
Digital Real Estate Services | Other
Disaggregation of Revenue [Line Items]
Revenues	60	54
Subscription Video Services
Disaggregation of Revenue [Line Items]
Revenues	501	486
Subscription Video Services | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	425	415
Subscription Video Services | Advertising
Disaggregation of Revenue [Line Items]
Revenues	65	62
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	11	9
Dow Jones
Disaggregation of Revenue [Line Items]
Revenues	552	537
Dow Jones | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	459	436
Dow Jones | Advertising
Disaggregation of Revenue [Line Items]
Revenues	85	91
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	8	10
Book Publishing
Disaggregation of Revenue [Line Items]
Revenues	546	525
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	521	502
Book Publishing | Real estate
Disaggregation of Revenue [Line Items]
Revenues	0	0
Book Publishing | Other
Disaggregation of Revenue [Line Items]
Revenues	25	23
News Media
Disaggregation of Revenue [Line Items]
Revenues	521	548
News Media | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	271	275
News Media | Advertising
Disaggregation of Revenue [Line Items]
Revenues	193	203
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	57	70
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