Pension and Other Postretirement Benefits - Schedule of Components of Net Periodic Costs (Detail) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Domestic Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost benefits earned during the period	$ 0	$ 0
Interest costs on projected benefit obligations	3	4
Expected return on plan assets	(4)	(5)
Amortization of deferred losses	1	1
Amortization of prior service (credits)	0	0
Settlements, curtailments and other	0	0
Net periodic benefit costs	0	0
Foreign Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost benefits earned during the period	2	2
Interest costs on projected benefit obligations	7	11
Expected return on plan assets	(14)	(16)
Amortization of deferred losses	4	4
Amortization of prior service (credits)	0	0
Settlements, curtailments and other	0	(1)
Net periodic benefit costs	(1)	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	1
Expected return on plan assets	0	0
Amortization of deferred losses	0	0
Amortization of prior service (credits)	(1)	(1)
Settlements, curtailments and other	0	0
Net periodic benefit costs	$ 0	$ 0