Restructuring Charges - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 20	$ 17
Other Current Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring liabilities, current	31
Other Non-Current Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring liabilities, non-current	10
News and Information Services [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 19	$ 12