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CASH, CASH EQUIVALENTS, AND INVESTMENTS (Tables) | 6 Months Ended
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Jun. 30, 2022
Cash and Cash Equivalents [Abstract] |
Schedule of Available-for-sale Securities Reconciliation | The amortized cost, gross unrealized gains and losses, and fair value of cash, cash equivalents, and marketable securities as of June 30, 2022 and December 31, 2021, are as follows (in millions):
| June 30, 2022
| Cost Basis |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value |  | Cash and Cash Equivalents |  | Marketable Securities
Cash | $ | 80 |  |  | $ | — |  |  | $ | — |  |  | $ | 80 |  |  | $ | 80 |  |  | $ | — |
Time deposit | 1,222 |  |  | — |  |  | — |  |  | 1,222 |  |  | 1,222 |  |  | — |
Money market funds | 937 |  |  | — |  |  | — |  |  | 937 |  |  | 937 |  |  | — |
Corporate debt securities | 171 |  |  | — |  |  | (5) |  |  | 166 |  |  | — |  |  | 166 |
Commercial paper | 28 |  |  | — |  |  | — |  |  | 28 |  |  | — |  |  | 28 |
Equity securities | 22 |  |  | — |  |  | — |  |  | 22 |  |  | — |  |  | 22 |
Certificates of deposit | 12 |  |  | — |  |  | — |  |  | 12 |  |  | — |  |  | 12 |
Asset-backed securities | 5 |  |  | — |  |  | — |  |  | 5 |  |  | — |  |  | 5 |
Total | $ | 2,477 |  |  | $ | — |  |  | $ | (5) |  |  | $ | 2,472 |  |  | $ | 2,239 |  |  | $ | 233 |
| December 31, 2021
| Cost Basis |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value |  | Cash and Cash Equivalents |  | Marketable Securities
Cash | $ | 81 |  |  | $ | — |  |  | $ | — |  |  | $ | 81 |  |  | $ | 81 |  |  | $ | — |
Money market funds | 1,350 |  |  | — |  |  | — |  |  | 1,350 |  |  | 1,350 |  |  | — |
Time deposit | 300 |  |  | — |  |  | — |  |  | 300 |  |  | 300 |  |  | — |
Corporate debt securities | 208 |  |  | — |  |  | (1) |  |  | 207 |  |  | — |  |  | 207 |
Mutual fund | 200 |  |  | — |  |  | — |  |  | 200 |  |  | — |  |  | 200 |
Equity securities | 46 |  |  | — |  |  | — |  |  | 46 |  |  | — |  |  | 46 |
Commercial paper | 15 |  |  | — |  |  | — |  |  | 15 |  |  | — |  |  | 15 |
Asset-backed securities | 7 |  |  | — |  |  | — |  |  | 7 |  |  | — |  |  | 7 |
Certificates of deposit | 5 |  |  | — |  |  | — |  |  | 5 |  |  | — |  |  | 5 |
Sovereign bonds | 4 |  |  | — |  |  | — |  |  | 4 |  |  | — |  |  | 4 |
Total | $ | 2,216 |  |  | $ | — |  |  | $ | (1) |  |  | $ | 2,215 |  |  | $ | 1,731 |  |  | $ | 484 |
Schedule of Unrealized Loss on Investments | A summary of debt securities with unrealized losses aggregated by period of continuous unrealized loss is as follows (in millions):
|  | Less than 12 Months |  | 12 Months or Greater |  | Total
June 30, 2022 |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses
Money market funds |  | $ | 324 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 324 |  |  | $ | — |
Corporate debt securities |  | 165 |  |  | (5) |  |  | — |  |  | — |  |  | 165 |  |  | (5) |
Commercial paper |  | 28 |  |  | — |  |  | — |  |  | — |  |  | 28 |  |  | — |
Certificates of deposit |  | 9 |  |  | — |  |  | — |  |  | — |  |  | 9 |  |  | — |
Asset-backed securities |  | 5 |  |  | — |  |  | — |  |  | — |  |  | 5 |  |  | — |
Total |  | $ | 531 |  |  | $ | (5) |  |  | $ | — |  |  | $ | — |  |  | $ | 531 |  |  | $ | (5) |
|  | Less than 12 Months |  | 12 Months or Greater |  | Total
December 31, 2021 |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses
Money market funds |  | $ | 259 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 259 |  |  | $ | — |
Corporate debt securities |  | 207 |  |  | (1) |  |  | — |  |  | — |  |  | 207 |  |  | (1) |
Commercial paper |  | 15 |  |  | — |  |  | — |  |  | — |  |  | 15 |  |  | — |
Asset-backed securities |  | 7 |  |  | — |  |  | — |  |  | — |  |  | 7 |  |  | — |
Certificates of deposit |  | 5 |  |  | — |  |  | — |  |  | — |  |  | 5 |  |  | — |
Sovereign bonds |  | 4 |  |  | — |  |  | — |  |  | — |  |  | 4 |  |  | — |
Total |  | $ | 497 |  |  | $ | (1) |  |  | $ | — |  |  | $ | — |  |  | $ | 497 |  |  | $ | (1) |
Scheduled Contractual Maturities of Marketable Securities | The scheduled contractual maturities of debt securities as of June 30, 2022 are as follows (in millions):
June 30, 2022 |  | Fair Value |  | Within 1 Year |  | After 1 Year through 5 Years
Corporate debt securities |  | $ | 166 |  |  | $ | 85 |  |  | $ | 81 |
Commercial paper |  | 28 |  |  | 28 |  |  | — |
Certificates of deposit |  | 12 |  |  | 12 |  |  | — |
Asset-backed securities |  | 5 |  |  | 5 |  |  | — |
Total |  | $ | 211 |  |  | $ | 130 |  |  | $ | 81 |
Schedule of Non- marketable Equity Securities and Equity Method Investment | A summary of non-marketable equity securities and equity method investment balances as of June 30, 2022 and December 31, 2021 are as follows (in millions):
| June 30, 2022 |  | December 31, 2021
Equity method investments | $ | 20 |  |  | $ | — |
Non-marketable equity securities | 5 |  |  | 5 |
Total | $ | 25 |  |  | $ | 5 |

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