Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions	1 Months Ended	3 Months Ended
	Feb. 29, 2016	Sep. 30, 2017	Sep. 30, 2016	Jun. 30, 2017
Loss Contingencies [Line Items]
Litigation amount payment to plaintiffs			$ 250
Litigation settlement	$ 30
Selling, general and administrative expenses, net		$ 660	678
Other current assets		526		$ 523
U.K. Newspaper Matters [Member]
Loss Contingencies [Line Items]
Selling, general and administrative expenses, net		43	$ 2
Litigation liability accrued		63
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		$ 59