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Marketable and Other Securities (Tables) | 9 Months Ended
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Sep. 30, 2021
Marketable Securities [Abstract] |
Schedule of Fair Value of Cash Equivalents and Marketable Securities | The following table summarizes the fair value of cash equivalents and marketable debt securities, which approximates cost:
| Fair Value Level |  | September 30, 2021 |  | December 31, 2020
Cash and cash equivalents |  |  |  |  |
Cash and time deposits |  |  | $ | 8,312 |  |  | $ | 8,010 |
Available-for-sale debt securities |  |  |  |  |
U.S. government and agencies | 2 |  | 188 |  |  | 1,370 |
Corporate debt | 2 |  | 4,100 |  |  | 3,476 |
Sovereign debt | 2 |  | 1,238 |  |  | 2,051 |
Total available-for-sale debt securities – cash equivalents |  |  | 5,526 |  |  | 6,897 |
Money market funds | 1 |  | 3,527 |  |  | 5,085 |
Total cash and cash equivalents(a) |  |  | $ | 17,365 |  |  | $ | 19,992 |
Marketable debt securities |  |  |  |  |
U.S. government and agencies | 2 |  | $ | 803 |  |  | $ | 1,771 |
Corporate debt | 2 |  | 3,212 |  |  | 3,630 |
Mortgage and asset-backed | 2 |  | 566 |  |  | 632 |
Sovereign debt | 2 |  | 1,994 |  |  | 3,013 |
Total available-for-sale debt securities – marketable securities(b) |  |  | $ | 6,575 |  |  | $ | 9,046 |
Restricted cash |  |  |  |  |
Cash and cash equivalents |  |  | $ | 509 |  |  | $ | 269 |
Money market funds | 1 |  | 3,777 |  |  | 2,856 |
Total restricted cash |  |  | $ | 4,286 |  |  | $ | 3,125 |
Available-for-sale debt securities included above with contractual maturities(c) |  |  |  |
Due in one year or less |  |  | $ | 8,490 |  |  |
Due between one and five years |  |  | 3,009 |  |  |
Total available-for-sale debt securities with contractual maturities |  |  | $ | 11,499 |  |  |
__________ (a)Includes $1.8 billion and $761 million in Cruise at September 30, 2021 and December 31, 2020. (b)Includes $1.8 billion and $943 million in Cruise at September 30, 2021 and December 31, 2020. (c)Excludes mortgage and asset-backed securities of $566 million at September 30, 2021 as these securities are not due at a single maturity date.
Investments Classified by Contractual Maturity Date | The following table summarizes the fair value of cash equivalents and marketable debt securities, which approximates cost:
| Fair Value Level |  | September 30, 2021 |  | December 31, 2020
Cash and cash equivalents |  |  |  |  |
Cash and time deposits |  |  | $ | 8,312 |  |  | $ | 8,010 |
Available-for-sale debt securities |  |  |  |  |
U.S. government and agencies | 2 |  | 188 |  |  | 1,370 |
Corporate debt | 2 |  | 4,100 |  |  | 3,476 |
Sovereign debt | 2 |  | 1,238 |  |  | 2,051 |
Total available-for-sale debt securities – cash equivalents |  |  | 5,526 |  |  | 6,897 |
Money market funds | 1 |  | 3,527 |  |  | 5,085 |
Total cash and cash equivalents(a) |  |  | $ | 17,365 |  |  | $ | 19,992 |
Marketable debt securities |  |  |  |  |
U.S. government and agencies | 2 |  | $ | 803 |  |  | $ | 1,771 |
Corporate debt | 2 |  | 3,212 |  |  | 3,630 |
Mortgage and asset-backed | 2 |  | 566 |  |  | 632 |
Sovereign debt | 2 |  | 1,994 |  |  | 3,013 |
Total available-for-sale debt securities – marketable securities(b) |  |  | $ | 6,575 |  |  | $ | 9,046 |
Restricted cash |  |  |  |  |
Cash and cash equivalents |  |  | $ | 509 |  |  | $ | 269 |
Money market funds | 1 |  | 3,777 |  |  | 2,856 |
Total restricted cash |  |  | $ | 4,286 |  |  | $ | 3,125 |
Available-for-sale debt securities included above with contractual maturities(c) |  |  |  |
Due in one year or less |  |  | $ | 8,490 |  |  |
Due between one and five years |  |  | 3,009 |  |  |
Total available-for-sale debt securities with contractual maturities |  |  | $ | 11,499 |  |  |
__________ (a)Includes $1.8 billion and $761 million in Cruise at September 30, 2021 and December 31, 2020. (b)Includes $1.8 billion and $943 million in Cruise at September 30, 2021 and December 31, 2020. (c)Excludes mortgage and asset-backed securities of $566 million at September 30, 2021 as these securities are not due at a single maturity date.
Reconciliation of Cash, Cash Equivalents and Restricted Cash from Balance Sheet to Statements of Cash Flows | 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, 2021
Cash and cash equivalents | $ | 17,365 |
Restricted cash included in Other current assets | 2,842 |
Restricted cash included in Other assets | 1,444 |
Total | $ | 21,651 |

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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