Revenues - Summary of Disaggregated Revenue by Type and by Segment (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Disaggregation of Revenue [Line Items]
Revenues	$ 2,266	$ 2,457	$ 7,085	$ 7,608
Circulation and Subscription [Member]
Disaggregation of Revenue [Line Items]
Revenues	966	1,025	2,951	3,088
Advertising [Member]
Disaggregation of Revenue [Line Items]
Revenues	576	670	1,861	2,052
Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenues	396	403	1,204	1,281
Real Estate [Member]
Disaggregation of Revenue [Line Items]
Revenues	209	218	669	693
Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	119	141	400	494
News and Information Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	1,130	1,224	3,520	3,729
News and Information Services [Member] | Circulation and Subscription [Member]
Disaggregation of Revenue [Line Items]
Revenues	543	538	1,618	1,593
News and Information Services [Member] | Advertising [Member]
Disaggregation of Revenue [Line Items]
Revenues	511	593	1,640	1,801
News and Information Services [Member] | Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
News and Information Services [Member] | Real Estate [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
News and Information Services [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	76	93	262	335
Subscription Video Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	462	539	1,477	1,666
Subscription Video Services [Member] | Circulation and Subscription [Member]
Disaggregation of Revenue [Line Items]
Revenues	414	474	1,304	1,455
Subscription Video Services [Member] | Advertising [Member]
Disaggregation of Revenue [Line Items]
Revenues	40	50	144	162
Subscription Video Services [Member] | Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Subscription Video Services [Member] | Real Estate [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Subscription Video Services [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	8	15	29	49
Book Publishing [Member]
Disaggregation of Revenue [Line Items]
Revenues	412	421	1,259	1,335
Book Publishing [Member] | Circulation and Subscription [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Book Publishing [Member] | Advertising [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Book Publishing [Member] | Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenues	396	403	1,204	1,281
Book Publishing [Member] | Real Estate [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Book Publishing [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	16	18	55	54
Digital Real Estate Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	261	272	827	876
Digital Real Estate Services [Member] | Circulation and Subscription [Member]
Disaggregation of Revenue [Line Items]
Revenues	9	12	28	39
Digital Real Estate Services [Member] | Advertising [Member]
Disaggregation of Revenue [Line Items]
Revenues	25	27	77	89
Digital Real Estate Services [Member] | Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Digital Real Estate Services [Member] | Real Estate [Member]
Disaggregation of Revenue [Line Items]
Revenues	209	218	669	693
Digital Real Estate Services [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	18	15	53	55
Other Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	1	1	2	2
Other Services [Member] | Circulation and Subscription [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	1	1	1
Other Services [Member] | Advertising [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Other Services [Member] | Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Other Services [Member] | Real Estate [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Other Services [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 1	$ 0	$ 1	$ 1