Revenues - Summary of Disaggregated Revenue by Type and by Segment (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Revenues	$ 2,492	$ 2,335	$ 7,711	$ 6,866
Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	1,099	1,076	3,248	3,108
Advertising
Disaggregation of Revenue [Line Items]
Revenues	418	374	1,342	1,154
Consumer
Disaggregation of Revenue [Line Items]
Revenues	497	472	1,615	1,436
Real estate
Disaggregation of Revenue [Line Items]
Revenues	316	291	988	807
Other
Disaggregation of Revenue [Line Items]
Revenues	162	122	518	361
Digital Real Estate Services
Disaggregation of Revenue [Line Items]
Revenues	416	351	1,298	980
Digital Real Estate Services | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	3	6	9	22
Digital Real Estate Services | Advertising
Disaggregation of Revenue [Line Items]
Revenues	33	31	99	89
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	316	291	988	807
Digital Real Estate Services | Other
Disaggregation of Revenue [Line Items]
Revenues	64	23	202	62
Subscription Video Services
Disaggregation of Revenue [Line Items]
Revenues	494	523	1,502	1,530
Subscription Video Services | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	434	469	1,307	1,352
Subscription Video Services | Advertising
Disaggregation of Revenue [Line Items]
Revenues	51	46	165	151
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	9	8	30	27
Dow Jones
Disaggregation of Revenue [Line Items]
Revenues	487	421	1,439	1,253
Dow Jones | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	377	329	1,082	959
Dow Jones | Advertising
Disaggregation of Revenue [Line Items]
Revenues	102	85	333	270
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	8	7	24	24
Book Publishing
Disaggregation of Revenue [Line Items]
Revenues	515	490	1,678	1,492
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	497	472	1,615	1,436
Book Publishing | Real estate
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Book Publishing | Other
Disaggregation of Revenue [Line Items]
Revenues	18	18	63	56
News Media
Disaggregation of Revenue [Line Items]
Revenues	580	550	1,794	1,610
News Media | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	285	272	850	775
News Media | Advertising
Disaggregation of Revenue [Line Items]
Revenues	232	212	745	644
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	63	66	199	191
Other
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	1
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	$ 1