Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018	Jul. 01, 2018	Jun. 30, 2018
Loss Contingencies [Line Items]
Other current assets	$ 564		$ 564		$ 368	$ 372
U.K. Newspaper Matters [Member]
Loss Contingencies [Line Items]
Selling, general and administrative expenses (benefit), net	2	$ 2	8	$ (38)
Litigation liability accrued	54		54
Impact due to reversal of previous accrued liability due to settlement with tax authority				$ 46
U.K. Newspaper Matters Indemnification [Member] | FOX [Member]
Loss Contingencies [Line Items]
Other current assets	$ 51		$ 51