Revenues - Summary of Disaggregated Revenue by Type and by Segment (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Revenues	$ 2,521	$ 2,717	$ 4,999	$ 5,219
Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	1,085	1,072	2,196	2,149
Advertising
Disaggregation of Revenue [Line Items]
Revenues	464	519	870	924
Consumer
Disaggregation of Revenue [Line Items]
Revenues	512	594	979	1,118
Real estate
Disaggregation of Revenue [Line Items]
Revenues	301	352	624	672
Other
Disaggregation of Revenue [Line Items]
Revenues	159	180	330	356
Digital Real Estate Services
Disaggregation of Revenue [Line Items]
Revenues	386	456	807	882
Digital Real Estate Services | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	3	3	6	6
Digital Real Estate Services | Advertising
Disaggregation of Revenue [Line Items]
Revenues	33	33	68	66
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	352	624	672
Digital Real Estate Services | Other
Disaggregation of Revenue [Line Items]
Revenues	49	68	109	138
Subscription Video Services
Disaggregation of Revenue [Line Items]
Revenues	462	498	964	1,008
Subscription Video Services | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	405	433	830	873
Subscription Video Services | Advertising
Disaggregation of Revenue [Line Items]
Revenues	47	55	111	114
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	10	23	21
Dow Jones
Disaggregation of Revenue [Line Items]
Revenues	563	508	1,078	952
Dow Jones | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	417	356	831	705
Dow Jones | Advertising
Disaggregation of Revenue [Line Items]
Revenues	131	141	225	231
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	15	11	22	16
Book Publishing
Disaggregation of Revenue [Line Items]
Revenues	531	617	1,018	1,163
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	512	594	979	1,118
Book Publishing | Real estate
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Book Publishing | Other
Disaggregation of Revenue [Line Items]
Revenues	19	23	39	45
News Media
Disaggregation of Revenue [Line Items]
Revenues	579	638	1,132	1,214
News Media | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	260	280	529	565
News Media | Advertising
Disaggregation of Revenue [Line Items]
Revenues	253	290	466	513
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	66	68	137	136
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