Restructuring and Impairment - Schedule of Changes in Restructuring Program Liabilities (Detail) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	$ 58	$ 28
Additions	17	4
Payments	(26)	(12)
Other	(4)	0
Restructuring Liabilities, Ending Balance	45	20
One Time Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	47	21
Additions	17	4
Payments	(26)	(11)
Other	(4)	0
Restructuring Liabilities, Ending Balance	34	14
Facility Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	5	7
Additions	0	0
Payments	0	(1)
Other	0	0
Restructuring Liabilities, Ending Balance	5	6
Other Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	6	0
Additions	0	0
Payments	0	0
Other	0	0
Restructuring Liabilities, Ending Balance	$ 6	$ 0