BUSINESS SEGMENT INFORMATION (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2012
Segment Reporting Information [Line Items]
Total depreciation and amortization	$ 67		$ 67		$ 63
Total capital expenditures	77		54		89
Less: Accounts receivable sold under off-balance sheet factoring programs	(244)	[1]	(305)	[1]
TOTAL ASSETS	2,502		2,570
Commercial Truck & Industrial [Member]
Segment Reporting Information [Line Items]
Total depreciation and amortization	61	[2]	60	[2]	58	[2]
Total capital expenditures	71	[2]	46	[2]	79	[2]
TOTAL ASSETS	1,755	[2]	1,822	[2]	1,799	[2]
Aftermarket & Trailer [Member]
Segment Reporting Information [Line Items]
Total depreciation and amortization	6	[2]	7	[2]	5	[2]
Total capital expenditures	6	[2]	8	[2]	10	[2]
TOTAL ASSETS	458	[2]	485	[2]	470	[2]
Segment Assets [Member]
Segment Reporting Information [Line Items]
TOTAL ASSETS	2,213		2,307		2,269
Corporate Segment [Member]
Segment Reporting Information [Line Items]
TOTAL ASSETS	$ 533	[3]	$ 568	[3]

[1] At September 30, 2014 and September 30, 2013, segment assets include $244 million and $305 million, respectively, of accounts receivable sold under off-balance sheet accounts receivable factoring programs (See Note 6). These sold receivables are included in segment assets as the CODM reviews segment assets inclusive of these balances.

[2] In fiscal year 2013, the company reorganized its management structure resulting in two reportable segments. Prior period segment financial information presented has been recast to reflect the revised reporting structure.

[3] Corporate assets consist primarily of cash, deferred income taxes and prepaid pension costs.