Impairment and Restructuring Charges - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 19	$ 12	$ 37	$ 27
News and Information Services [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	15	$ 11	32	$ 25
Other Current Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring liabilities, current	23		23
Other Non-Current Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring liabilities, non-current	$ 10		$ 10