Segment Information - Reconciliation of Assets from Segments to Consolidated (Detail) - USD ($) $ in Millions	Sep. 30, 2023	Jun. 30, 2023
Segment Reporting, Asset Reconciling Item [Line Items]
Investments	$ 391	$ 427
Total assets	16,475	16,921
Digital Real Estate Services
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	2,915	2,942
Subscription Video Services
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	2,634	2,812
Dow Jones
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	4,237	4,305
Book Publishing
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	2,648	2,629
News Media
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	1,949	2,023
Other
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 1,701	$ 1,783