Restructuring and Impairment - Schedule of Changes in Program Liabilities (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	$ 37	$ 52	$ 59	$ 59
Additions	24	62	51	177
Payments	(29)	(68)	(78)	(188)
Other		(2)		(4)
Restructuring Liabilities, Ending Balance	32	44	32	44
One Time Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	29	45	51	51
Additions	22	55	45	119
Payments	(28)	(66)	(74)	(136)
Other			1
Restructuring Liabilities, Ending Balance	23	34	23	34
Facility Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	7	7	6	8
Additions	2		5
Payments	(1)		(3)	(1)
Other
Restructuring Liabilities, Ending Balance	8	7	8	7
Other Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Liabilities, Beginning Balance	1		2
Additions		7	1	58
Payments		(2)	(1)	(51)
Other		(2)	(1)	(4)
Restructuring Liabilities, Ending Balance	$ 1	$ 3	$ 1	$ 3