Segment Information - Reconciliation of Revenue and Segment EBITDA from Segments to Consolidated (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Information [Line Items]
Revenues	$ 9,879	$ 10,385	$ 9,358
Depreciation and amortization	(714)	(688)	(680)
Impairment and restructuring charges	(150)	(109)	(168)
Equity losses of affiliates	(127)	(13)	(65)
Interest expense, net	(100)	(99)	(53)
Other, net	1	52	143
Income before income tax expense	330	812	450
Income tax expense	(143)	(52)	(61)
Net income	187	760	389
Digital Real Estate Services
Segment Reporting Information [Line Items]
Revenues	1,539	1,741	1,393
Total Segment EBITDA	457	574	514
Depreciation and amortization	(123)	(112)	(101)
Subscription Video Services
Segment Reporting Information [Line Items]
Revenues	1,942	2,026	2,072
Total Segment EBITDA	347	360	359
Depreciation and amortization	(302)	(321)	(332)
Dow Jones
Segment Reporting Information [Line Items]
Revenues	2,153	2,004	1,702
Total Segment EBITDA	494	433	332
Depreciation and amortization	(152)	(119)	(119)
Book Publishing
Segment Reporting Information [Line Items]
Revenues	1,979	2,191	1,985
Total Segment EBITDA	167	306	303
Depreciation and amortization	(49)	(49)	(36)
News Media
Segment Reporting Information [Line Items]
Revenues	2,266	2,423	2,205
Total Segment EBITDA	156	217	52
Depreciation and amortization	(81)	(79)	(84)
Other
Segment Reporting Information [Line Items]
Revenues	0	0	1
Total Segment EBITDA	(201)	(221)	(287)
Depreciation and amortization	$ (7)	$ (8)	$ (8)