Restructuring Programs - Schedule of Changes in Restructuring Program Liabilities (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	$ 49	$ 44	$ 58
Additions	71	142	89
Payments	(76)	(137)	(96)
Other	(2)	0	(7)
Restructuring Liabilities, Ending Balance	42	49	44
One Time Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	33	33	47
Additions	69	137	86
Payments	(73)	(135)	(95)
Other	0	(2)	(5)
Restructuring Liabilities, Ending Balance	29	33	33
Facility Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	6	5	5
Additions	0	0	1
Payments	(2)	(1)	(1)
Other	(2)	2	0
Restructuring Liabilities, Ending Balance	2	6	5
Other Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	10	6	6
Additions	2	5	2
Payments	(1)	(1)	0
Other	0	0	(2)
Restructuring Liabilities, Ending Balance	$ 11	$ 10	$ 6