Segment Information - Reconciliation of Goodwill and Intangible Assets from Segments to Consolidated (Detail) - USD ($) $ in Millions	Sep. 30, 2021	Jun. 30, 2021
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	$ 6,674	$ 6,832
Digital Real Estate Services
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	1,825	1,871
Subscription Video Services
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	1,527	1,612
Dow Jones
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	1,990	1,995
Book Publishing
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	1,033	1,046
News Media
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	$ 299	$ 308