Impairment and Restructuring Charges - Schedule of Changes in Restructuring Program Liabilities (Detail) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	$ 42	$ 49
Additions	18	15
Payments	(24)	(23)
Other	0	(1)
Restructuring Liabilities, Ending Balance	36	40
One Time Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	29	33
Additions	18	15
Payments	(23)	(23)
Other	(1)	0
Restructuring Liabilities, Ending Balance	23	25
Facility Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	2	6
Additions	0	0
Payments	0	0
Other	0	(1)
Restructuring Liabilities, Ending Balance	2	5
Other Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	11	10
Additions	0	0
Payments	(1)	0
Other	1	0
Restructuring Liabilities, Ending Balance	$ 11	$ 10