Restructuring Programs - Schedule of Changes in Restructuring Program Liabilities (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Restructuring Reserve [Roll Forward]
Restructuring Liabilities, Beginning Balance	$ 66	$ 25	$ 73	$ 40
Additions	30	19	93	53
Payments	(20)	(17)	(92)	(64)
Other	(2)	0	0	(2)
Restructuring Liabilities, Ending Balance	74	27	74	27
One time employee termination benefits
Restructuring Reserve [Roll Forward]
Restructuring Liabilities, Beginning Balance	32	16	64	28
Additions	20	19	55	53
Payments	(12)	(17)	(81)	(63)
Other	(2)	0	0	0
Restructuring Liabilities, Ending Balance	38	18	38	18
Facility related costs
Restructuring Reserve [Roll Forward]
Restructuring Liabilities, Beginning Balance		0		2
Additions		0		0
Payments		0		0
Other		0		(2)
Restructuring Liabilities, Ending Balance		0		0
Other costs
Restructuring Reserve [Roll Forward]
Restructuring Liabilities, Beginning Balance	34	9	9	10
Additions	10	0	38	0
Payments	(8)	0	(11)	(1)
Other	0	0	0	0
Restructuring Liabilities, Ending Balance	$ 36	$ 9	$ 36	$ 9