Revenues - Summary of Disaggregated Revenue by Type and by Segment (Detail) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Disaggregation of Revenue [Line Items]
Revenues	$ 2,340	$ 2,524
Circulation and Subscription [Member]
Disaggregation of Revenue [Line Items]
Revenues	995	1,034
Advertising [Member]
Disaggregation of Revenue [Line Items]
Revenues	608	664
Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenues	387	400
Real Estate [Member]
Disaggregation of Revenue [Line Items]
Revenues	218	227
Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	132	199
News and Information Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	1,149	1,248
News and Information Services [Member] | Circulation and Subscription [Member]
Disaggregation of Revenue [Line Items]
Revenues	534	529
News and Information Services [Member] | Advertising [Member]
Disaggregation of Revenue [Line Items]
Revenues	530	576
News and Information Services [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	85	143
Subscription Video Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	514	565
Subscription Video Services [Member] | Circulation and Subscription [Member]
Disaggregation of Revenue [Line Items]
Revenues	451	491
Subscription Video Services [Member] | Advertising [Member]
Disaggregation of Revenue [Line Items]
Revenues	51	57
Subscription Video Services [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	12	17
Book Publishing [Member]
Disaggregation of Revenue [Line Items]
Revenues	405	418
Book Publishing [Member] | Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenues	387	400
Book Publishing [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	18	18
Digital Real Estate Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	272	293
Digital Real Estate Services [Member] | Circulation and Subscription [Member]
Disaggregation of Revenue [Line Items]
Revenues	10	14
Digital Real Estate Services [Member] | Advertising [Member]
Disaggregation of Revenue [Line Items]
Revenues	27	31
Digital Real Estate Services [Member] | Real Estate [Member]
Disaggregation of Revenue [Line Items]
Revenues	218	227
Digital Real Estate Services [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 17	$ 21