NET PROPERTY (Details) - USD ($) $ in Millions	Sep. 30, 2015	Sep. 30, 2014
Property, Plant and Equipment [Line Items]
Property, gross	$ 1,287	$ 1,397
Less accumulated depreciation	(868)	(973)
Net property	419	424
Land and land improvements
Property, Plant and Equipment [Line Items]
Property, gross	31	34
Buildings
Property, Plant and Equipment [Line Items]
Property, gross	214	236
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, gross	864	906
Company-owned tooling
Property, Plant and Equipment [Line Items]
Property, gross	116	155
Construction in progress
Property, Plant and Equipment [Line Items]
Property, gross	$ 62	$ 66