Restructuring Programs - Schedule of Changes in Restructuring Program Liabilities (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	$ 42	$ 49	$ 44
Additions	92	71	142
Payments	(93)	(76)	(137)
Other	(1)	(2)	0
Restructuring Liabilities, Ending Balance	40	42	49
One Time Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	29	33	33
Additions	92	69	137
Payments	(91)	(73)	(135)
Other	(2)	0	(2)
Restructuring Liabilities, Ending Balance	28	29	33
Facility Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	2	6	5
Additions	0	0	0
Payments	0	(2)	(1)
Other	0	(2)	2
Restructuring Liabilities, Ending Balance	2	2	6
Other Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	11	10	6
Additions	0	2	5
Payments	(2)	(1)	(1)
Other	1	0	0
Restructuring Liabilities, Ending Balance	$ 10	$ 11	$ 10