Segment Information - Reconciliation of Goodwill and Intangible Assets from Segments to Consolidated (Detail) - USD ($) $ in Millions	Jun. 30, 2021	Jun. 30, 2020
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	$ 6,832	$ 5,815
Digital Real Estate Services
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	1,871	1,555
Subscription Video Services
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	1,612	1,513
Dow Jones
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	1,995	1,722
Book Publishing
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	1,046	748
News Media
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	308	277
Other
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	$ 0	$ 0