The components of other assets were as follows.



December 31, ($ in millions)	2016			2015
Property and equipment at cost	$	901		$	691
Accumulated depreciation	(525		)	(456		)
Net property and equipment	376			235
Restricted cash collections for securitization trusts (a)	1,694			2,010
Nonmarketable equity investments (b)	1,046			418
Net deferred tax assets	994			1,369
Accrued interest and rent receivables	476			402
Goodwill (c)	240			27
Cash reserve deposits held-for-securitization trusts (d)	184			252
Cash collateral placed with counterparties	167			125
Restricted cash and cash equivalents	111			120
Other accounts receivable	100			158
Fair value of derivative contracts in receivable position (e)	95			233
Other assets	1,371			972
Total other assets	$	6,854		$	6,321


(a)	Represents cash collections from customer payments on securitized receivables. These funds are distributed to investors as payments on the related secured debt.


(b)	Includes investments in FHLB stock of $577 million and $391 million and FRB stock of $435 million and $0 million at December 31, 2016, and December 31, 2015, respectively.

(c)

Includes goodwill of $27 million at our Insurance operations at both December 31, 2016, and December 31, 2015, $193 million and $0 million within Corporate and Other at December 31, 2016, and December 31, 2015, respectively, and $20 million and $0 million within Automotive Finance operations at December 31, 2016, and December 31, 2015, respectively. As a result of our acquisition of TradeKing, we recognized $193 million of goodwill within Corporate and Other on June 1, 2016. On August 1, 2016, we purchased assets from Blue Yield. As a result of this purchase, we recognized $20 million of goodwill within Automotive Finance operations. No other changes in the carrying amount of goodwill were recorded during the year ended December 31, 2016.


(d)	Represents credit enhancement in the form of cash reserves for various securitization transactions.


(e)	For additional information on derivative instruments and hedging activities, refer to Note 22 to the Consolidated Financial Statements.