Pension and Other Postretirement Benefits - Schedule of Components of Net Periodic Costs (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Domestic Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost benefits earned during the period	$ 0	$ 0	$ 0	$ 0
Interest costs on projected benefit obligations	3	4	9	12
Expected return on plan assets	(5)	(4)	(14)	(14)
Amortization of deferred losses	2	1	4	3
Amortization of prior service (credits)	0	0	0	0
Settlements, curtailments and other			0	0
Net periodic benefits costs	0	1	(1)	1
Foreign Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost benefits earned during the period	2	2	6	7
Interest costs on projected benefit obligations	7	10	22	33
Expected return on plan assets	(14)	(15)	(42)	(47)
Amortization of deferred losses	4	4	12	11
Amortization of prior service (credits)	0	0	0	0
Settlements, curtailments and other			0	(1)
Net periodic benefits costs	(1)	1	(2)	3
Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost benefits earned during the period	0	0	0	0
Interest costs on projected benefit obligations	1	2	3	4
Expected return on plan assets	0	0	0	0
Amortization of deferred losses	0	0	0	0
Amortization of prior service (credits)	(1)	(2)	(3)	(5)
Settlements, curtailments and other			0	0
Net periodic benefits costs	$ 0	$ 0	$ 0	$ (1)