Revenues - Summary of Disaggregated Revenue by Type and by Segment (Detail) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Revenues	$ 2,502	$ 2,117
Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	1,077	1,002
Advertising
Disaggregation of Revenue [Line Items]
Revenues	405	332
Consumer
Disaggregation of Revenue [Line Items]
Revenues	524	441
Real estate
Disaggregation of Revenue [Line Items]
Revenues	320	235
Other
Disaggregation of Revenue [Line Items]
Revenues	176	107
Digital Real Estate Services
Disaggregation of Revenue [Line Items]
Revenues	426	290
Digital Real Estate Services | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	3	8
Digital Real Estate Services | Advertising
Disaggregation of Revenue [Line Items]
Revenues	33	28
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	320	235
Digital Real Estate Services | Other
Disaggregation of Revenue [Line Items]
Revenues	70	19
Subscription Video Services
Disaggregation of Revenue [Line Items]
Revenues	510	496
Subscription Video Services | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	440	437
Subscription Video Services | Advertising
Disaggregation of Revenue [Line Items]
Revenues	59	50
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	444	386
Dow Jones | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	349	311
Dow Jones | Advertising
Disaggregation of Revenue [Line Items]
Revenues	90	70
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	5	5
Book Publishing
Disaggregation of Revenue [Line Items]
Revenues	546	458
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	524	441
Book Publishing | Real estate
Disaggregation of Revenue [Line Items]
Revenues	0	0
Book Publishing | Other
Disaggregation of Revenue [Line Items]
Revenues	22	17
News Media
Disaggregation of Revenue [Line Items]
Revenues	576	487
News Media | Circulation and subscription
Disaggregation of Revenue [Line Items]
Revenues	285	246
News Media | Advertising
Disaggregation of Revenue [Line Items]
Revenues	223	184
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	68	57
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