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Marketable and Other Securities
9 Months Ended
Sep. 30, 2022
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, 2022December 31, 2021
Cash and cash equivalents
Cash and time deposits$9,315 $7,881 
Available-for-sale debt securities
U.S. government and agencies2788 722 
Corporate debt23,974 5,321 
Sovereign debt21,169 2,105 
Total available-for-sale debt securities – cash equivalents5,931 8,148 
Money market funds15,499 4,038 
Total cash and cash equivalents(a)$20,745 $20,067 
Marketable debt securities
U.S. government and agencies2$2,856 $2,071 
Corporate debt23,646 3,396 
Mortgage and asset-backed2572 575 
Sovereign debt22,492 2,567 
Total available-for-sale debt securities – marketable securities(b)$9,566 $8,609 
Restricted cash
Cash and cash equivalents $296 $466 
Money market funds12,458 3,009 
Total restricted cash$2,755 $3,475 
Available-for-sale debt securities included above with contractual maturities(c)
Due in one year or less$10,152 
Due between one and five years4,709 
Total available-for-sale debt securities with contractual maturities$14,862 
__________
(a)Includes $1.7 billion and $1.6 billion in Cruise at September 30, 2022 and December 31, 2021.
(b)Includes $1.6 billion and $1.5 billion in Cruise at September 30, 2022 and December 31, 2021.
(c)Excludes mortgage and asset-backed securities of $572 million at September 30, 2022 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 $441 million and $301 million in the three months ended September 30, 2022 and 2021 and $1.4 billion in the nine months ended September 30, 2022 and 2021. Net unrealized losses on available-for-sale debt securities were insignificant in the three months ended September 30, 2022 and 2021 and were $367 million and insignificant in the nine months ended September 30, 2022 and 2021. Cumulative unrealized losses on available-for-sale debt securities were $384 million and insignificant at September 30, 2022 and December 31, 2021.
The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the condensed consolidated balance sheets to the total shown in the condensed consolidated statement of cash flows:
September 30, 2022
Cash and cash equivalents$20,745 
Restricted cash included in Other current assets2,296 
Restricted cash included in Other assets459 
Total$23,499