Restructuring Programs - Schedule of Changes in Restructuring Program Liabilities (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Restructuring Reserve [Roll Forward]
Restructuring Liabilities, Beginning Balance	$ 40	$ 42	$ 49
Additions	140	92	71
Payments	(110)	(93)	(76)
Other	3	(1)	(2)
Restructuring Liabilities, Ending Balance	73	40	42
One Time Employee Termination Benefits [Member]
Restructuring Reserve [Roll Forward]
Restructuring Liabilities, Beginning Balance	28	29	33
Additions	140	92	69
Payments	(109)	(91)	(73)
Other	5	(2)	0
Restructuring Liabilities, Ending Balance	64	28	29
Facility Related Costs [Member]
Restructuring Reserve [Roll Forward]
Restructuring Liabilities, Beginning Balance	2	2	6
Additions	0	0	0
Payments	0	0	(2)
Other	(2)	0	(2)
Restructuring Liabilities, Ending Balance	0	2	2
Other Costs [Member]
Restructuring Reserve [Roll Forward]
Restructuring Liabilities, Beginning Balance	10	11	10
Additions	0	0	2
Payments	(1)	(2)	(1)
Other	0	1	0
Restructuring Liabilities, Ending Balance	$ 9	$ 10	$ 11