Segment Information - Reconciliation of Revenue and Segment EBITDA from Segments to Consolidated (Detail) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Segment Reporting Information [Line Items]
Revenues									$ 10,074	$ 9,024	$ 8,139
Depreciation and amortization									(659)	(472)	(449)
Impairment and restructuring charges									(188)	(351)	(927)
Equity losses of affiliates									(17)	(1,006)	(295)
Interest (expense) income, net									(59)	(7)	39
Other, net									33	(324)	135
Income (loss) before income tax expense									354	(1,089)	(615)
Income tax (expense) benefit									(126)	(355)	(28)
Net income (loss)	$ (42)	$ 23	$ 119	$ 128	$ (355)	$ (1,110)	$ (66)	$ 87	228	(1,444)	(643)
News and Information Services [Member]
Segment Reporting Information [Line Items]
Revenues									4,956	5,119	5,069
Total Segment EBITDA									417	397	412
Depreciation and amortization									(223)	(223)	(283)
Subscription Video Services [Member]
Segment Reporting Information [Line Items]
Revenues									2,202	1,004	494
Total Segment EBITDA									380	173	123
Depreciation and amortization									(292)	(107)	(32)
Book Publishing [Member]
Segment Reporting Information [Line Items]
Revenues									1,754	1,758	1,636
Total Segment EBITDA									253	239	195
Depreciation and amortization									(42)	(52)	(52)
Digital Real Estate Services [Member]
Segment Reporting Information [Line Items]
Revenues									1,159	1,141	938
Total Segment EBITDA									384	401	324
Depreciation and amortization									(97)	(87)	(78)
Other [Member]
Segment Reporting Information [Line Items]
Revenues									3	2	2
Total Segment EBITDA									(190)	(139)	(172)
Depreciation and amortization									$ (5)	$ (3)	$ (4)