Restructuring Charges - Schedule of Changes in Restructuring Program Liabilities (Detail) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	$ 44	$ 58
Additions	20	17
Payments	(22)	(26)
Other	(1)	(4)
Restructuring Liabilities, Ending Balance	41	45
One Time Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	33	47
Additions	20	17
Payments	(22)	(26)
Other	(1)	(4)
Restructuring Liabilities, Ending Balance	30	34
Facility Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	5	5
Additions	0	0
Payments	0	0
Other	0	0
Restructuring Liabilities, Ending Balance	5	5
Other Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	6	6
Additions	0	0
Payments	0	0
Other	0	0
Restructuring Liabilities, Ending Balance	$ 6	$ 6