UNCONSOLIDATED AFFILIATES (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015		Sep. 30, 2014
Schedule Of Unconsolidated Affiliates [Line Items]
Undistributed earnings from unconsolidated affiliates accounted for on the equity method	$ 48	$ 54
Equity Method Investment, Summarized Financial Information [Abstract]
Current assets	199	211
Current liabilities	(50)	(54)
Working capital	149	157
Noncurrent assets	38	40
Noncurrent liabilities	(2)	(1)
Stockholders' equity	185	196
Equity Method Investment, Summarized Financial Information, Income Statement [Abstract]
Sales	336	398		$ 966
Income from operations	51	57		74
Net income	25	31		63
Equity Method Investment, Financial Statement, Reported Amounts [Abstract]
Investments and advances	57	65		81
Equity income (loss)	13	1	[1]	(25)	[1]
Distributions received	$ 18	22		14
Equity and Other Income [Member] | Valvoline Joint Venture [Member]
Equity Method Investment, Financial Statement, Reported Amounts [Abstract]
Impairment of equity method investment		$ 14
Equity and Other Income [Member] | Castings Solutions Joint Venture [Member]
Equity Method Investment, Financial Statement, Reported Amounts [Abstract]
Impairment of equity method investment				$ 50

[1] The results in 2015 and 2014 include a $14 million and $50 million impairment on the Valvoline joint venture in Venezuela and the ASK joint venture, respectively.