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Marketable and Other Securities
9 Months Ended
Sep. 30, 2020
Marketable Securities [Abstract]  
Marketable and Other Securities Marketable and Other Securities
The following table summarizes the fair value of cash equivalents and marketable debt securities, which approximates cost:
Fair Value LevelSeptember 30, 2020December 31, 2019
Cash and cash equivalents
Cash and time deposits(a)$11,542 $6,828 
Available-for-sale debt securities
U.S. government and agencies24,600 1,484 
Corporate debt25,517 5,863 
Sovereign debt22,697 2,123 
Total available-for-sale debt securities – cash equivalents12,814 9,470 
Money market funds12,583 2,771 
Total cash and cash equivalents(b)$26,939 $19,069 
Marketable debt securities
U.S. government and agencies2$3,042 $226 
Corporate debt23,798 2,932 
Mortgage and asset-backed2628 681 
Sovereign debt22,494 335 
Total available-for-sale debt securities – marketable securities(c)$9,962 $4,174 
Restricted cash
Cash and cash equivalents $248 $292 
Money market funds12,669 3,582 
Total restricted cash$2,917 $3,874 
Available-for-sale debt securities included above with contractual maturities(d)
Due in one year or less$19,357 
Due between one and five years2,791 
Total available-for-sale debt securities with contractual maturities$22,148 
__________
(a)Includes $248 million designated exclusively to fund capital expenditures in GM Korea Company (GM Korea) at December 31, 2019. No amount was designated exclusively to fund GM Korea capital expenditures at September 30, 2020.
(b)Includes $539 million and $2.3 billion in Cruise at September 30, 2020 and December 31, 2019.
(c)Includes $1.4 billion and $266 million in Cruise at September 30, 2020 and December 31, 2019.
(d)Excludes mortgage- and asset-backed securities of $628 million at September 30, 2020 as these securities are not due at a single maturity date.

Proceeds from the sale of available-for-sale debt securities sold prior to maturity were $476 million and $535 million in the three months ended September 30, 2020 and 2019 and $1.4 billion and $1.6 billion in the nine months ended September 30, 2020 and 2019. Net unrealized gains and losses on available-for-sale debt securities were insignificant in the three and nine months ended September 30, 2020 and 2019. Cumulative unrealized gains and losses on available-for-sale debt securities were insignificant at September 30, 2020 and December 31, 2019.

We liquidated our remaining shares in Lyft, Inc. (Lyft) in the six months ended June 30, 2020. We recorded an unrealized loss of $291 million and $71 million in Interest income and other non-operating income, net in the three and nine months ended September 30, 2019.
The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the condensed consolidated balance sheet to the total shown in the condensed consolidated statement of cash flows:
September 30, 2020
Cash and cash equivalents$26,939 
Restricted cash included in Other current assets2,419 
Restricted cash included in Other assets498 
Total$29,856