Discontinued Operations (Details Textuals) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012	Mar. 31, 2011
Discontinued Operations Restructuring Charges	$ 0		$ 1	$ 7
Sales Revenue, Goods, Net	1,160	1,176	2,319	2,133
Sales Revenue Goods Net Discontinued Operations				336
Body Systems [Member]
Gain Loss On Sale Of Business Before Tax		32
Gain Loss On Sale Of Business After Tax		32
Sales Revenue, Goods, Net				298
Gabriel Europe [Member]
Gain Loss On Sale Of Business Before Tax		13
Gain Loss On Sale Of Business After Tax		13
EU Trailer [Member]
Discontinued Operations Restructuring Charges		6	1
Sales Revenue, Goods, Net		$ 19		$ 30