Accounts Receivable Factoring and Securitization	6 Months Ended
Mar. 31, 2015
Accounts Receivable Securitization and Factoring Disclosure [Abstract]
Accounts Receivable Factoring and Securitization	Accounts Receivable Factoring and Securitization Off-balance sheet arrangements Swedish Factoring Facility: The company has an arrangement to sell trade receivables due from AB Volvo through one of its European subsidiaries. Under this arrangement, which terminates on June 28, 2015, the company can sell up to, at any point in time, €150 million ($163 million) of eligible trade receivables. The receivables under this program are sold at face value and are excluded from the condensed consolidated balance sheet. The company had utilized €117 million ($128 million) and €99 million ($127 million) of this accounts receivable factoring facility as of March 31, 2015 and September 30, 2014, respectively. U.S. Factoring Facility: The company has an arrangement to sell trade receivables from AB Volvo and its subsidiaries. Under this arrangement, which terminates on October 29, 2015, the company can sell up to, at any point in time, €65 million ($71 million) of eligible trade receivables. In December 2014, the company amended this agreement to allow for the sale of trade receivables to exceed Nordea Bank’s commitment at Nordea Bank’s discretion. The receivables under this program are sold at face value and are excluded from the condensed consolidated balance sheet. The company had utilized €78 million ($85 million) and €64 million ($81 million) of this accounts receivable factoring facility as of March 31, 2015 and September 30, 2014, respectively. As of the end of the second quarter of fiscal year 2015, the company had utilized more than the committed eligible trade receivable amount of $71 million based on approval from the bank. The above facilities are backed by 364-day liquidity commitments from Nordea Bank which were renewed through September 2015. The commitments are subject to standard terms and conditions for these types of arrangements. United Kingdom Factoring Facility: The company has an arrangement to sell trade receivables from AB Volvo and its European subsidiaries through one of its United Kingdom subsidiaries. Under this arrangement, which expires in February 2018, the company can sell up to, at any point in time, €25 million ($27 million) of eligible trade receivables. The receivables under this program are sold at face value and are excluded from the condensed consolidated balance sheet. The company had utilized €6 million ($6 million) and €6 million ($7 million) of this accounts receivable factoring facility as of March 31, 2015 and September 30, 2014, respectively. The agreement is subject to standard terms and conditions for these types of arrangements including a sole discretion clause whereby the bank retains the right to not purchase receivables, which has not been invoked since the inception of the program. Italy Factoring Facility: The company has an arrangement to sell trade receivables from AB Volvo and its European subsidiaries through one of its Italian subsidiaries. Under this arrangement, which expires in June 2017, the company can sell up to, at any point in time, €30 million ($33 million) of eligible trade receivables. The receivables under this program are sold at face value and are excluded from the condensed consolidated balance sheet. The company had utilized €16 million ($18 million) and €8 million ($10 million) of this accounts receivable factoring facility as of March 31, 2015 and September 30, 2014, respectively. The agreement is subject to standard terms and conditions for these types of arrangements including a sole discretion clause whereby the bank retains the right to not purchase receivables, which has not been invoked since the inception of the program. In addition, several of the company’s subsidiaries, primarily in Europe, factor eligible accounts receivable with financial institutions. Certain receivables are factored without recourse to the company and are excluded from accounts receivable in the condensed consolidated balance sheet. The amount of factored receivables excluded from accounts receivable was $17 million and $19 million at March 31, 2015 and September 30, 2014, respectively. Total costs associated with all of the off-balance sheet arrangements described above were $1 million and $2 million in the three months ended March 31, 2015 and 2014, respectively, and $3 million and $5 million in the six months ended March 31, 2015 and 2014, respectively, and are included in selling, general and administrative expenses in the condensed consolidated statement of operations. On-balance sheet arrangements The company has a $100 million U.S. accounts receivables securitization facility. On October 15, 2014, the company entered into an amendment which extends the facility expiration date to October 15, 2017 and sets the maximum permitted priority-debt-to-EBITDA ratio as of the last day of each fiscal quarter under the facility at 2.25 to 1.00. This program is provided by PNC Bank, National Association, as Administrator and Purchaser, and the other Purchasers and Purchaser Agents from time to time (participating lenders), which are party to the agreement. Under this program, the company has the ability to sell an undivided percentage ownership interest in substantially all of its trade receivables (excluding the receivables due from AB Volvo and subsidiaries eligible for sale under the U.S. accounts receivable factoring facility) of certain U.S. subsidiaries to ArvinMeritor Receivables Corporation (ARC), a wholly-owned, special purpose subsidiary. ARC funds these purchases with borrowings from participating lenders under a loan agreement. This program also includes a letter of credit facility pursuant to which ARC may request the issuance of letters of credit issued for the company’s U.S. subsidiaries (originators) or their designees, which when issued will constitute a utilization of the facility for the amount of letters of credit issued. Amounts outstanding under this agreement are collateralized by eligible receivables purchased by ARC and are reported as short-term debt in the condensed consolidated balance sheet. At March 31, 2015 and September 30, 2014 , no amounts, including letters of credit, were outstanding under this program. This program contains a cross-default to the revolving credit facility. At certain times during any given month, the company may sell eligible accounts receivable under this program to fund intra-month working capital needs. In such months, the company would then typically utilize the cash received from customers throughout the month to repay the borrowings under the program. Accordingly, during any given month, the company may borrow under this program in amounts exceeding the amounts shown as outstanding at fiscal quarter ends.

Accounts Receivable Factoring and Securitization

Off-balance sheet arrangements

Swedish Factoring Facility: The company has an arrangement to sell trade receivables due from AB Volvo through one of its European subsidiaries. Under this arrangement, which terminates on June 28, 2015, the company can sell up to, at any point in time, €150 million ($163 million) of eligible trade receivables. The receivables under this program are sold at face value and are excluded from the condensed consolidated balance sheet. The company had utilized €117 million ($128 million) and €99 million ($127 million) of this accounts receivable factoring facility as of March 31, 2015 and September 30, 2014, respectively.

U.S. Factoring Facility: The company has an arrangement to sell trade receivables from AB Volvo and its subsidiaries. Under this arrangement, which terminates on October 29, 2015, the company can sell up to, at any point in time, €65 million ($71 million) of eligible trade receivables. In December 2014, the company amended this agreement to allow for the sale of trade receivables to exceed Nordea Bank’s commitment at Nordea Bank’s discretion. The receivables under this program are sold at face value and are excluded from the condensed consolidated balance sheet. The company had utilized €78 million ($85 million) and €64 million ($81 million) of this accounts receivable factoring facility as of March 31, 2015 and September 30, 2014, respectively. As of the end of the second quarter of fiscal year 2015, the company had utilized more than the committed eligible trade receivable amount of $71 million based on approval from the bank.

The above facilities are backed by 364-day liquidity commitments from Nordea Bank which were renewed through September 2015. The commitments are subject to standard terms and conditions for these types of arrangements.

United Kingdom Factoring Facility: The company has an arrangement to sell trade receivables from AB Volvo and its European subsidiaries through one of its United Kingdom subsidiaries. Under this arrangement, which expires in February 2018, the company can sell up to, at any point in time, €25 million ($27 million) of eligible trade receivables. The receivables under this program are sold at face value and are excluded from the condensed consolidated balance sheet. The company had utilized €6 million ($6 million) and €6 million ($7 million) of this accounts receivable factoring facility as of March 31, 2015 and September 30, 2014, respectively. The agreement is subject to standard terms and conditions for these types of arrangements including a sole discretion clause whereby the bank retains the right to not purchase receivables, which has not been invoked since the inception of the program.

Italy Factoring Facility: The company has an arrangement to sell trade receivables from AB Volvo and its European subsidiaries through one of its Italian subsidiaries. Under this arrangement, which expires in June 2017, the company can sell up to, at any point in time, €30 million ($33 million) of eligible trade receivables. The receivables under this program are sold at face value and are excluded from the condensed consolidated balance sheet. The company had utilized €16 million ($18 million) and €8 million ($10 million) of this accounts receivable factoring facility as of March 31, 2015 and September 30, 2014, respectively. The agreement is subject to standard terms and conditions for these types of arrangements including a sole discretion clause whereby the bank retains the right to not purchase receivables, which has not been invoked since the inception of the program.

In addition, several of the company’s subsidiaries, primarily in Europe, factor eligible accounts receivable with financial institutions. Certain receivables are factored without recourse to the company and are excluded from accounts receivable in the condensed consolidated balance sheet. The amount of factored receivables excluded from accounts receivable was $17 million and $19 million at March 31, 2015 and September 30, 2014, respectively.

Total costs associated with all of the off-balance sheet arrangements described above were $1 million and $2 million in the three months ended March 31, 2015 and 2014, respectively, and $3 million and $5 million in the six months ended March 31, 2015 and 2014, respectively, and are included in selling, general and administrative expenses in the condensed consolidated statement of operations.

On-balance sheet arrangements

The company has a $100 million U.S. accounts receivables securitization facility. On October 15, 2014, the company entered into an amendment which extends the facility expiration date to October 15, 2017 and sets the maximum permitted priority-debt-to-EBITDA ratio as of the last day of each fiscal quarter under the facility at 2.25 to 1.00. This program is provided by PNC Bank, National Association, as Administrator and Purchaser, and the other Purchasers and Purchaser Agents from time to time (participating lenders), which are party to the agreement. Under this program, the company has the ability to sell an undivided percentage ownership interest in substantially all of its trade receivables (excluding the receivables due from AB Volvo and subsidiaries eligible for sale under the U.S. accounts receivable factoring facility) of certain U.S. subsidiaries to ArvinMeritor Receivables Corporation (ARC), a wholly-owned, special purpose subsidiary. ARC funds these purchases with borrowings from participating lenders under a loan agreement. This program also includes a letter of credit facility pursuant to which ARC may request the issuance of letters of credit issued for the company’s U.S. subsidiaries (originators) or their designees, which when issued will constitute a utilization of the facility for the amount of letters of credit issued. Amounts outstanding under this agreement are collateralized by eligible receivables purchased by ARC and are reported as short-term debt in the condensed consolidated balance sheet. At March 31, 2015 and September 30, 2014 , no amounts, including letters of credit, were outstanding under this program. This program contains a cross-default to the revolving credit facility. At certain times during any given month, the company may sell eligible accounts receivable under this program to fund intra-month working capital needs. In such months, the company would then typically utilize the cash received from customers throughout the month to repay the borrowings under the program. Accordingly, during any given month, the company may borrow under this program in amounts exceeding the amounts shown as outstanding at fiscal quarter ends.