Segment Information - Reconciliation of Revenue and Segment EBITDA from Segments to Consolidated (Detail) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Segment Reporting Information [Line Items]
Revenues	$ 2,117	$ 2,340
Depreciation and amortization	(164)	(162)
Impairment and restructuring charges	(40)	(297)
Equity losses of affiliates	(1)	(2)
Interest (expense) income, net	(8)	4
Other, net	17	4
Income (loss) before income tax (expense) benefit	72	(232)
Income tax (expense) benefit	(25)	21
Net income (loss)	47	(211)
Digital Real Estate Services
Segment Reporting Information [Line Items]
Revenues	290	272
Total Segment EBITDA	119	82
Subscription Video Services
Segment Reporting Information [Line Items]
Revenues	496	514
Total Segment EBITDA	78	81
Dow Jones
Segment Reporting Information [Line Items]
Revenues	386	382
Total Segment EBITDA	72	49
Book Publishing
Segment Reporting Information [Line Items]
Revenues	458	405
Total Segment EBITDA	71	49
News Media
Segment Reporting Information [Line Items]
Revenues	487	767
Total Segment EBITDA	(22)	7
Other
Segment Reporting Information [Line Items]
Total Segment EBITDA	$ (50)	$ (47)