Revenues - Summary of Deferred Revenue from Contract with Customers (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	May 31, 2021
Contract with Customer, Liability [Roll Forward]
Balance, beginning of period	$ 398	$ 428
Deferral of revenue	3,152	3,091
Recognition of deferred revenue	(3,109)	(3,064)
Other	32	(57)
Balance, end of period	473	398
Disaggregation of Revenue [Line Items]
Recognition of deferred revenue	3,109	3,064
Investor's Business Daily
Disaggregation of Revenue [Line Items]
Deferred revenue	16		$ 16
Deferred Revenue
Disaggregation of Revenue [Line Items]
Recognition of deferred revenue	$ 381	384
News America Marketing
Disaggregation of Revenue [Line Items]
Deferred revenue disposed of		$ 51