Accounts Receivable Factoring (Details Textuals) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012 U.S Factoring Facility [Member]	Sep. 30, 2011 U.S Factoring Facility [Member]	Mar. 31, 2012 Swedish Factoring Facility [Member]	Sep. 30, 2011 Swedish Factoring Facility [Member]	Mar. 31, 2012 French Factoring Facility [Member]	Sep. 30, 2011 French Factoring Facility [Member]	Mar. 31, 2012 Other Factoring Facility [Member]	Sep. 30, 2011 Other Factoring Facility [Member]	Mar. 31, 2012 U.S. Securitization Financing Facility [Member]	Sep. 30, 2011 U.S. Securitization Financing Facility [Member]	Mar. 31, 2012 United Kingdom Factoring Facility [Member]	Mar. 31, 2012 Italy Factoring Facility [Member]
Factoring and Securitization Program Maturity Date			October 2012		June 2012		June 2012				October 2013		February 2013	March 2017
Maximum Limit For Sale Of Eligible Trade Receivables Reported In Us Dollars			$ 80
Maximum Limit For Sale Of Eligible Trade Receivables Reported In Euro			60		150			125					25	30
Utilization Of Accounts Receivable Factoring Facility Under Arrangement In Euros			49	46	131	107	6	47					5	17
Utilization Of Accounts Receivable Factoring Facility Under Arrangement In Us Dollars			65	62	174	146	8	63	11	8			7	22
Costs Associated With Off Balance Sheet Factoring Arrangements	6	3
Maximum Limit For Securitization Financing Arrangement In Us Dollar											125
Outstanding Balance Under Accounts Receivable Securitization Program											$ 19	$ 0