Additional Financial Information - Components of Other, Net (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Net gains (losses) on investments in equity securities	$ (165)	$ 220	$ (102)	$ 341
U.K Newspaper Matters Indemnity	(32)	(15)	(49)	(28)
Transaction costs	(11)	(18)	(24)	433
Other	(3)	(15)	33	(55)
Total other, net	$ (211)	$ 172	(142)	691
Settlement of divestiture tax prepayment			$ 0	$ 462