Segment Information - Reconciliation of Revenue and Segment EBITDA from Segments to Consolidated (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Segment Reporting Information [Line Items]
Revenues	$ 2,335	$ 2,266	$ 6,866	$ 7,085
Depreciation and amortization	(173)	(160)	(504)	(484)
Impairment and restructuring charges	(30)	(1,125)	(93)	(1,451)
Equity losses of affiliates	(5)	(7)	(9)	(12)
Interest expense, net	(12)	(9)	(32)	(13)
Other, net	61	13	132	19
Income (loss) before income tax (expense) benefit	139	(1,046)	557	(1,123)
Income tax (expense) benefit	(43)	10	(153)	(21)
Net income (loss)	96	(1,036)	404	(1,144)
Digital Real Estate Services
Segment Reporting Information [Line Items]
Revenues	351	261	980	827
Total Segment EBITDA	117	74	378	274
Subscription Video Services
Segment Reporting Information [Line Items]
Revenues	523	462	1,530	1,477
Total Segment EBITDA	91	68	293	219
Dow Jones
Segment Reporting Information [Line Items]
Revenues	421	397	1,253	1,209
Total Segment EBITDA	82	51	263	176
Book Publishing
Segment Reporting Information [Line Items]
Revenues	490	412	1,492	1,259
Total Segment EBITDA	80	55	255	167
News Media
Segment Reporting Information [Line Items]
Revenues	550	733	1,610	2,311
Total Segment EBITDA	8	24	52	97
Other
Segment Reporting Information [Line Items]
Revenues	0	1	1	2
Total Segment EBITDA	$ (80)	$ (30)	$ (178)	$ (115)