Segment Information - Reconciliation of Revenue and Segment EBITDA from Segments to Consolidated (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Segment Reporting Information [Line Items]
Revenues	$ 2,093	$ 1,978	$ 6,331	$ 6,059
Depreciation and amortization	(100)	(109)	(297)	(349)
Impairment and restructuring charges	(246)	(33)	(273)	(409)
Equity losses of affiliates	(974)	(23)	(1,002)	(276)
Interest, net	2	8	9	30
Other, net	29	(13)	6	127
(Loss) income before income tax expense	(1,107)	45	(797)	(207)
Income tax expense	(3)	(45)	(292)	(12)
Net loss	(1,110)		(1,089)	(219)
News and Information Services [Member]
Segment Reporting Information [Line Items]
Revenues	1,286	1,263	3,825	3,788
Total Segment EBITDA	85	123	298	311
Book Publishing [Member]
Segment Reporting Information [Line Items]
Revenues	398	374	1,268	1,229
Total Segment EBITDA	43	37	173	160
Digital Real Estate Services [Member]
Segment Reporting Information [Line Items]
Revenues	279	219	842	687
Total Segment EBITDA	88	75	302	237
Cable Network Programming [Member]
Segment Reporting Information [Line Items]
Revenues	129	122	394	354
Total Segment EBITDA	16	34	76	99
Other [Member]
Segment Reporting Information [Line Items]
Revenues	1		2	1
Total Segment EBITDA	$ (50)	$ (54)	$ (89)	$ (137)