INVESTMENTS IN NON-CONSOLIDATED JOINT VENTURES (Details Textuals) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended						1 Months Ended					0 Months Ended	3 Months Ended			0 Months Ended
	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2014 Meritor, Inc.[Member]	Sep. 30, 2013 Meritor, Inc.[Member]	Sep. 30, 2012 Meritor, Inc.[Member]	Jul. 31, 2014 Antitrust Lawsuit [Member] ZF Meritor LLC [Member]	Jun. 30, 2014 Antitrust Lawsuit [Member] ZF Meritor LLC [Member]	Jul. 31, 2014 Antitrust Lawsuit [Member] Meritor, Inc.[Member]	Jul. 31, 2014 Antitrust Lawsuit [Member] Meritor, Inc.[Member] Equity in earnings of ZF Meritor [Member]	Jul. 31, 2014 Antitrust Lawsuit [Member] Meritor, Inc.[Member] Selling, General and Administrative Expenses [Member]	Jul. 30, 2013 Suspensys Sistemas Automotivos Ltda. [Member]	Sep. 30, 2013 Suspensys Sistemas Automotivos Ltda. [Member]	Jun. 30, 2013 Suspensys Sistemas Automotivos Ltda. [Member]	Sep. 30, 2012 Suspensys Sistemas Automotivos Ltda. [Member]	Jul. 30, 2013 Suspensys Sistemas Automotivos Ltda. [Member] Pre-closing Cash Dividend [Member]	Sep. 30, 2014 Automotive Axles Limited [Member]	Sep. 30, 2013 Automotive Axles Limited [Member]
Schedule of Equity Method Investments [Line Items]
Direct and indirect ownership percentage																					50.00%	50.00%	50.00%
Litigation settlement																$ 500	$ 210
Proceeds from Legal Settlements															400		210
Net income (loss)	3	234	1	11	41	(39)	(3)	(21)	249	(22)	52	249	(22)	52			209
Equity in earnings of affiliates									38	42	52		0	0				190
Loss Contingency, Settlement, Reimbursement Of Legal Fees																			20
Purchase price for sale																				195
Cash from sale																				190				4
Lease abatements included in proceeds from sale																				5
Gain on sale of ownership in joint venture, net of tax																				125
Gain on sale of ownership in joint venture, net of tax																				92	92
Dividends received from the company's non-consolidated joint ventures									36	30	47
Sales to non-consolidated joint ventures									3	11	6
Sales excluded from non-consolidated joint ventures through intercompany eliminations									141	151	165
Purchases from non-consolidated joint ventures									760	885	973
Lease and services payments from non-consolidated joint ventures									5	8	3
Amounts due from non-consolidated joint ventures	46				38				46	38
Amounts due to non-consolidated joint ventures	101				94				101	94
Fair value of investment																									59	18
Maximum exposure to loss in non-consolidated joint venture	$ 43				$ 35				$ 43	$ 35