Pension and Other Postretirement Benefits - Schedule of Components of Net Periodic Costs (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Domestic Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost benefits earned during the period	$ 0	$ 2
Interest costs on projected benefit obligations	4	4
Expected return on plan assets	(5)	(4)
Amortization of deferred losses	1	1
Amortization of prior service (credits)	0	0
Settlements, curtailments and other	0	3
Net periodic benefits costs	0	6
Foreign Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost benefits earned during the period	3	3
Interest costs on projected benefit obligations	13	12
Expected return on plan assets	(19)	(18)
Amortization of deferred losses	3	3
Amortization of prior service (credits)	0	0
Settlements, curtailments and other	0	0
Net periodic benefits costs	0	0
Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost benefits earned during the period	0	0
Interest costs on projected benefit obligations	1	2
Expected return on plan assets	0	0
Amortization of deferred losses	0	0
Amortization of prior service (credits)	(3)	(3)
Settlements, curtailments and other	0	0
Net periodic benefits costs	$ (2)	$ (1)