XML 61 R83.htm IDEA: XBRL DOCUMENT

Business Segment Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015 segment	Mar. 31, 2014
Number of reportable segments			2us-gaap_NumberOfReportableSegments
External Sales	$ 864mtor_SalesExternal	$ 954mtor_SalesExternal	$ 1,743mtor_SalesExternal	$ 1,854mtor_SalesExternal
Intersegment Sales	0mtor_SalesIntersegment	0mtor_SalesIntersegment	0mtor_SalesIntersegment	0mtor_SalesIntersegment
Total Sales	864us-gaap_SalesRevenueGoodsNet	954us-gaap_SalesRevenueGoodsNet	1,743us-gaap_SalesRevenueGoodsNet	1,854us-gaap_SalesRevenueGoodsNet
Operating Segments \| Commercial Truck & Industrial
External Sales	660	736	1,338	1,439
Intersegment Sales	21	27	46	51
Total Sales	681	763	1,384	1,490
Operating Segments \| Aftermarket & Trailer
External Sales	204	218	405	415
Intersegment Sales	8	7	15	12
Total Sales	212	225	420	427
Eliminations
External Sales	0	0	0	0
Intersegment Sales	(29)	(34)	(61)	(63)
Total Sales	$ (29)	$ (34)	$ (61)	$ (63)