Segment Information - Schedule of Reconciliation of Goodwill and Intangible Assets from Segments to Consolidated (Details) - USD ($) $ in Millions	Sep. 30, 2024	Jun. 30, 2024
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	$ 7,582	$ 7,508
Dow Jones
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	3,248	3,248
Digital Real Estate Services
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	1,851	1,828
Book Publishing
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	922	914
Subscription Video Services
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	1,253	1,224
News Media
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	$ 308	$ 294