Restructuring Programs - Schedule of Changes in Restructuring Program Liabilities (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Restructuring Reserve [Roll Forward]
Restructuring Liabilities, Beginning Balance	$ 73	$ 40	$ 42
Additions	168	140	92
Payments	(152)	(110)	(93)
Other	(3)	3	(1)
Restructuring Liabilities, Ending Balance	86	73	40
One-time employee termination benefits
Restructuring Reserve [Roll Forward]
Restructuring Liabilities, Beginning Balance	64	28	29
Additions	83	140	92
Payments	(97)	(109)	(91)
Other	1	5	(2)
Restructuring Liabilities, Ending Balance	51	64	28
Facility related costs
Restructuring Reserve [Roll Forward]
Restructuring Liabilities, Beginning Balance	0	2	2
Additions	0	0	0
Payments	0	0	0
Other	0	(2)	0
Restructuring Liabilities, Ending Balance	0	0	2
Other costs
Restructuring Reserve [Roll Forward]
Restructuring Liabilities, Beginning Balance	9	10	11
Additions	85	0	0
Payments	(55)	(1)	(2)
Other	(4)	0	1
Restructuring Liabilities, Ending Balance	$ 35	$ 9	$ 10