Other Assets

Other assets are summarized as follows (in millions):



	December 31, 2018		September 30, 2018
Investments in non-consolidated joint ventures	$	112	$	102
Asbestos-related recoveries (see Note 21)	60		76
Unamortized revolver debt issuance costs	6		7
Capitalized software costs, net	24		26
Deferred income tax assets, net	137		140
Assets for uncertain tax positions	51		53
Prepaid pension costs	154		152
Intangible assets ⁽¹⁾	17		18
Other	33		22
Other assets	$	594	$	596


⁽¹⁾	Primarily relates to customer relationships. As of December 31, 2018, the gross carrying value was $22 million and the accumulated amortization was $5 million. As of September 30, 2018, the gross carrying value was $22 million and the accumulated amortization was $4 million. The weighted average amortization periods for customer relationships is approximately 19 years.

The company holds a variable interest in a joint venture that is a variable interest entity ("VIE") accounted for under the equity method of accounting. The joint venture manufactures components for commercial vehicle applications primarily on behalf of the company. The variable interest relates to a supply arrangement between the company and the joint venture whereby the company supplies certain components to the joint venture on a cost-plus basis. The company is not the primary beneficiary of the joint venture, as the joint venture partner has shared or absolute control over key manufacturing operations, labor relationships, financing activities and certain other functions of the joint venture. Therefore, the company does not consolidate the joint venture. As of December 31, 2018 and September 30, 2018, the company’s investment in the joint venture was $68 million and $63 million, respectively.

TransPower

Meritor completed a $3 million strategic investment in Transportation Power, Inc. ("TransPower") in the first quarter of fiscal year 2019. Investments of $3 million in TransPower were also made in each of the first and third quarters of fiscal year 2018. The company holds a variable interest in TransPower, a VIE. TransPower develops electrical drive solutions and supplies integrated drive systems, full electric truck solutions and energy-storage subsystems to major manufacturers of trucks, school buses, refuse vehicles and terminal tractors. The company is not the primary beneficiary of TransPower, as other owners have control over the significant activities of TransPower, including the development of intellectual property and manufacturing. Therefore, the company does not consolidate TransPower. As of December 31, 2018 and September 30, 2018, the company’s investment in TransPower was $9 million and $6 million, respectively, representing the company’s maximum exposure to loss.