Marketable and Other Securities

The following table summarizes the fair value of cash equivalents and marketable debt and equity securities which approximates cost:



	Fair Value Level	December 31, 2018		December 31, 2017
Cash and cash equivalents
Cash and time deposits(a)		$	7,254	$	6,962
Available-for-sale debt securities
U.S. government and agencies	2	4,656		750
Corporate debt	2	3,791		3,032
Sovereign debt	2	1,976		1,954
Total available-for-sale debt securities – cash equivalents		10,423		5,736
Money market funds	1	3,167		2,814
Total cash and cash equivalents(b)		$	20,844	$	15,512
Marketable debt securities
U.S. government and agencies	2	$	1,230	$	3,310
Corporate debt	2	3,478		3,665
Mortgage and asset-backed	2	695		635
Sovereign debt	2	563		703
Total available-for-sale debt securities – marketable securities		$	5,966	$	8,313
Restricted cash
Cash and cash equivalents		$	260	$	219
Money market funds	1	2,392		2,117
Total restricted cash		$	2,652	$	2,336

Available-for-sale debt securities included above with contractual maturities(c)
Due in one year or less		$	11,288
Due between one and five years		4,406
Total available-for-sale debt securities with contractual maturities		$	15,694

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(a)	Includes $616 million that is designated exclusively to fund capital expenditures in GM Korea at December 31, 2018. Refer to Note 20 for additional information.


(b)	Includes $2.3 billion in GM Cruise at December 31, 2018. Refer to Note 20 for additional information.


(c)	Excludes mortgage and asset-backed securities.

Proceeds from the sale of investments classified as available-for-sale and sold prior to maturity were $4.3 billion, $5.6 billion and $8.5 billion in the years ended December 31, 2018, 2017 and 2016. Net unrealized gains and losses on available-for-sale debt securities were insignificant in the years ended December 31, 2018, 2017 and 2016. Cumulative unrealized gains and losses on available-for-sale debt securities were insignificant at December 31, 2018 and 2017.

Investments in equity securities where market quotations are not available that are accounted for at fair value primarily use Level 3 inputs. We recorded an unrealized gain of $142 million in Interest income and other non-operating income, net in the year ended December 31, 2018 to adjust an investment in an equity security to a fair value of $884 million at December 31, 2018.

The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the consolidated balance sheets that sum to the total of the same amounts shown in the consolidated statements of cash flows:



	December 31, 2018		December 31, 2017
Cash and cash equivalents	$	20,844	$	15,512
Restricted cash included in Other current assets	2,083		1,745
Restricted cash included in Other assets	569		591
Total	$	23,496	$	17,848