Segment Information - Reconciliation of Depreciation and Amortization, Capital Expenditures from Segments to Consolidated (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Segment Reporting Information [Line Items]
Total Depreciation and amortization	$ 472	$ 449	$ 505
Total Capital expenditures	364	256	256
News and Information Services [Member]
Segment Reporting Information [Line Items]
Total Depreciation and amortization	223	283	347
Total Capital expenditures	173	165	174
Book Publishing [Member]
Segment Reporting Information [Line Items]
Total Depreciation and amortization	52	52	55
Total Capital expenditures	17	11	9
Digital Real Estate Services [Member]
Segment Reporting Information [Line Items]
Total Depreciation and amortization	87	78	69
Total Capital expenditures	78	66	64
Subscription Video Services [Member]
Segment Reporting Information [Line Items]
Total Depreciation and amortization	107	32	29
Total Capital expenditures	81	14	8
Other [Member]
Segment Reporting Information [Line Items]
Total Depreciation and amortization	3	4	5
Total Capital expenditures	$ 15	$ 0	$ 1