Segment Information - Reconciliation of Depreciation and Amortization, Capital Expenditures from Segments to Consolidated (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting Information [Line Items]
Total Depreciation and amortization	$ 680	$ 644	$ 659
Total Capital expenditures	390	438	572
Digital Real Estate Services
Segment Reporting Information [Line Items]
Total Depreciation and amortization	101	93	97
Total Capital expenditures	78	80	78
Subscription Video Services
Segment Reporting Information [Line Items]
Total Depreciation and amortization	332	283	292
Total Capital expenditures	142	199	307
Dow Jones
Segment Reporting Information [Line Items]
Total Depreciation and amortization	119	113	103
Total Capital expenditures	62	59	66
Book Publishing
Segment Reporting Information [Line Items]
Total Depreciation and amortization	36	33	42
Total Capital expenditures	16	12	7
News Media
Segment Reporting Information [Line Items]
Total Depreciation and amortization	84	115	120
Total Capital expenditures	84	76	106
Other
Segment Reporting Information [Line Items]
Total Depreciation and amortization	8	7	5
Total Capital expenditures	$ 8	$ 12	$ 8