Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Sep. 30, 2016	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017	Jul. 01, 2018
Loss Contingencies [Line Items]
Other current assets		$ 515	$ 372		$ 368
Litigation amount payment to plaintiffs	$ 250
U.K. Newspaper Matters [Member]
Loss Contingencies [Line Items]
Selling, general and administrative expenses (benefit), net		10	(35)	$ 10
Litigation liability accrued		53
Impact due to reversal of previous accrued liability due to settlement with tax authority			$ 46
U.K. Newspaper Matters Indemnification [Member] | 21st Century Fox [Member]
Loss Contingencies [Line Items]
Other current assets		$ 49