Revenues - Summary of Disaggregated Revenue by Type and by Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Disaggregation of Revenue [Line Items]
Revenues	$ 2,423	$ 2,447	$ 7,508	$ 7,446
Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	1,121	1,122	3,369	3,318
Advertising
Disaggregation of Revenue [Line Items]
Revenues	358	393	1,187	1,263
Consumer
Disaggregation of Revenue [Line Items]
Revenues	484	495	1,513	1,474
Real estate
Disaggregation of Revenue [Line Items]
Revenues	301	272	939	896
Other
Disaggregation of Revenue [Line Items]
Revenues	159	165	500	495
Digital Real Estate Services
Disaggregation of Revenue [Line Items]
Revenues	388	363	1,210	1,170
Digital Real Estate Services | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	3	3	8	9
Digital Real Estate Services | Advertising
Disaggregation of Revenue [Line Items]
Revenues	32	35	99	103
Digital Real Estate Services | Consumer
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Digital Real Estate Services | Real estate
Disaggregation of Revenue [Line Items]
Revenues	301	272	939	896
Digital Real Estate Services | Other
Disaggregation of Revenue [Line Items]
Revenues	52	53	164	162
Subscription Video Services
Disaggregation of Revenue [Line Items]
Revenues	455	477	1,411	1,441
Subscription Video Services | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	398	419	1,217	1,249
Subscription Video Services | Advertising
Disaggregation of Revenue [Line Items]
Revenues	47	49	160	160
Subscription Video Services | Consumer
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Subscription Video Services | Real estate
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Subscription Video Services | Other
Disaggregation of Revenue [Line Items]
Revenues	10	9	34	32
Dow Jones
Disaggregation of Revenue [Line Items]
Revenues	544	529	1,665	1,607
Dow Jones | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	445	426	1,322	1,257
Dow Jones | Advertising
Disaggregation of Revenue [Line Items]
Revenues	86	88	303	313
Dow Jones | Consumer
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Dow Jones | Real estate
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Dow Jones | Other
Disaggregation of Revenue [Line Items]
Revenues	13	15	40	37
Book Publishing
Disaggregation of Revenue [Line Items]
Revenues	506	515	1,581	1,533
Book Publishing | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Book Publishing | Advertising
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Book Publishing | Consumer
Disaggregation of Revenue [Line Items]
Revenues	484	495	1,513	1,474
Book Publishing | Real estate
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Book Publishing | Other
Disaggregation of Revenue [Line Items]
Revenues	22	20	68	59
News Media
Disaggregation of Revenue [Line Items]
Revenues	530	563	1,641	1,695
News Media | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	275	274	822	803
News Media | Advertising
Disaggregation of Revenue [Line Items]
Revenues	193	221	625	687
News Media | Consumer
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
News Media | Real estate
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
News Media | Other
Disaggregation of Revenue [Line Items]
Revenues	62	68	194	205
Other
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Other | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Other | Advertising
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Other | Consumer
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Other | Real estate
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Other | Other
Disaggregation of Revenue [Line Items]
Revenues	$ 0	$ 0	$ 0	$ 0