Segment Information - Reconciliation of Goodwill and Intangible Assets from Segments to Consolidated (Detail) - USD ($) $ in Millions |
Mar. 31, 2018 |
Jun. 30, 2017 |
|---|---|---|
| Segment Reporting Information [Line Items] | ||
| Total goodwill and intangible assets, net | $ 5,950 | $ 6,119 |
| News and Information Services [Member] | ||
| Segment Reporting Information [Line Items] | ||
| Total goodwill and intangible assets, net | 2,801 | 2,952 |
| Book Publishing [Member] | ||
| Segment Reporting Information [Line Items] | ||
| Total goodwill and intangible assets, net | 835 | 835 |
| Digital Real Estate Services [Member] | ||
| Segment Reporting Information [Line Items] | ||
| Total goodwill and intangible assets, net | 1,458 | 1,420 |
| Cable Network Programming [Member] | ||
| Segment Reporting Information [Line Items] | ||
| Total goodwill and intangible assets, net | $ 856 | $ 912 |