Impairment and Restructuring Charges - Schedule of Changes in Restructuring Program Liabilities (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	$ 36	$ 52	$ 49	$ 44
Additions	21	21	48	88
Payments	(22)	(33)	(62)	(91)
Other	3	0	3	(1)
Restructuring Liabilities, Ending Balance	38	40	38	40
One Time Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	22	41	33	33
Additions	21	21	47	88
Payments	(22)	(33)	(60)	(91)
Other	3	0	4	(1)
Restructuring Liabilities, Ending Balance	24	29	24	29
Facility Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	4	5	6	5
Additions	0	0	0	0
Payments	0	0	(1)	0
Other	0	0	(1)	0
Restructuring Liabilities, Ending Balance	4	5	4	5
Other Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	10	6	10	6
Additions	0	0	1	0
Payments	0	0	(1)	0
Other	0	0	0	0
Restructuring Liabilities, Ending Balance	$ 10	$ 6	$ 10	$ 6