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Short-term Investments | 6 Months Ended
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Jun. 30, 2022
Investments, Debt and Equity Securities [Abstract] |
Short-term Investments | SHORT-TERM INVESTMENTS Investments Components The components of investments were as follows:
|  | June 30, 2022
(In millions) |  | Fair Value Level |  | Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value |  | Cash and Cash Equivalents |  | Short-term Investments
Available-for-sale debt securities |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper |  | Level 2 |  | $ | 3,300 |  |  | $ | — |  |  | $ | (6) |  |  | $ | 3,294 |  |  | $ | 583 |  |  | $ | 2,711 |
Certificates of deposit and time deposits |  | Level 2 |  | 5,313 |  |  | — |  |  | (4) |  |  | 5,309 |  |  | 3,830 |  |  | 1,479 |
U.S. government securities |  | Level 1 |  | 23 |  |  | — |  |  | — |  |  | 23 |  |  | — |  |  | 23 |
Corporate notes and bonds |  | Level 2 |  | 28 |  |  | — |  |  | — |  |  | 28 |  |  | — |  |  | 28 |
Total available-for-sale debt securities |  |  |  | $ | 8,664 |  |  | $ | — |  |  | $ | (10) |  |  | $ | 8,654 |  |  | $ | 4,413 |  |  | $ | 4,241 |
Cash |  |  |  |  |  |  |  |  |  | 4,665 |  |  | 4,665 |  |  | — |
Total |  |  |  |  |  |  |  |  |  | $ | 13,319 |  |  | $ | 9,078 |  |  | $ | 4,241 |
|  | December 31, 2021
(In millions) |  | Fair Value Level |  | Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value |  | Cash and Cash Equivalents |  | Short-term Investments
Available-for-sale debt securities |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper |  | Level 2 |  | $ | 4,905 |  |  | $ | — |  |  | $ | (1) |  |  | $ | 4,904 |  |  | $ | 868 |  |  | $ | 4,036 |
Certificates of deposit and time deposits |  | Level 2 |  | 2,024 |  |  | — |  |  | — |  |  | 2,024 |  |  | 750 |  |  | 1,274 |
U.S. government securities |  | Level 1 |  | 28 |  |  | — |  |  | — |  |  | 28 |  |  | — |  |  | 28 |
Corporate notes and bonds |  | Level 2 |  | 271 |  |  | — |  |  | — |  |  | 271 |  |  | 61 |  |  | 210 |
Total available-for-sale debt securities |  |  |  | $ | 7,228 |  |  | $ | — |  |  | $ | (1) |  |  | $ | 7,227 |  |  | $ | 1,679 |  |  | $ | 5,548 |
Cash |  |  |  |  |  |  |  |  |  | 3,612 |  |  | 3,612 |  |  | — |
Total |  |  |  |  |  |  |  |  |  | $ | 10,839 |  |  | $ | 5,291 |  |  | $ | 5,548 |
Our investment policy includes concentration limits and credit rating requirements which limits our investments to high quality, short term and highly liquid securities. Unrealized losses on debt investments held from May 14, 2021, which coincides with the sale of Speedway, to June 30, 2022 were not material. Realized gains/losses were not material. All of our available-for-sale debt securities held as of June 30, 2022 mature within one year or less or are readily available for use.

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- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -URI https://asc.fasb.org/subtopic&trid=2209399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -URI https://asc.fasb.org/subtopic&trid=2324412 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI https://asc.fasb.org/topic&trid=2196928 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -URI https://asc.fasb.org/subtopic&trid=2176304 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1403 -Paragraph (b) + Details
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