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CASH, CASH EQUIVALENTS, AND INVESTMENTS (Tables) | 12 Months Ended
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Dec. 31, 2023
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 December 31, 2023 and 2022, are as follows (in millions):
| December 31, 2023
| Cost Basis |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value |  | Cash and Cash Equivalents |  | Marketable Securities
Cash | $ | 63 |  |  | $ | — |  |  | $ | — |  |  | $ | 63 |  |  | $ | 63 |  |  | $ | — |
Money market funds | 936 |  |  | — |  |  | — |  |  | 936 |  |  | 936 |  |  | — |
Corporate debt securities | 55 |  |  | — |  |  | (1) |  |  | 54 |  |  | — |  |  | 54 |
Equity securities | 15 |  |  | — |  |  | — |  |  | 15 |  |  | — |  |  | 15 |
Total | $ | 1,069 |  |  | $ | — |  |  | $ | (1) |  |  | $ | 1,068 |  |  | $ | 999 |  |  | $ | 69 |
| December 31, 2022
| Cost Basis |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value |  | Cash and Cash Equivalents |  | Marketable Securities
Cash | $ | 422 |  |  | $ | — |  |  | $ | — |  |  | $ | 422 |  |  | $ | 422 |  |  | $ | — |
Money market funds | 715 |  |  | — |  |  | — |  |  | 715 |  |  | 715 |  |  | — |
Corporate debt securities | 126 |  |  | — |  |  | (4) |  |  | 122 |  |  | — |  |  | 122 |
Equity securities | 11 |  |  | — |  |  | — |  |  | 11 |  |  | — |  |  | 11 |
Certificates of deposit | 9 |  |  | — |  |  | — |  |  | 9 |  |  | — |  |  | 9 |
Asset-backed securities | 2 |  |  | — |  |  | — |  |  | 2 |  |  | — |  |  | 2 |
Total | $ | 1,285 |  |  | $ | — |  |  | $ | (4) |  |  | $ | 1,281 |  |  | $ | 1,137 |  |  | $ | 144 |
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
December 31, 2023 |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses
Corporate debt securities |  | $ | — |  |  | $ | — |  |  | $ | 54 |  |  | $ | (1) |  |  | $ | 54 |  |  | $ | (1) |
Total |  | $ | — |  |  | $ | — |  |  | $ | 54 |  |  | $ | (1) |  |  | $ | 54 |  |  | $ | (1) |
|  | Less than 12 Months |  | 12 Months or Greater |  | Total
December 31, 2022 |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses
Corporate debt securities |  | $ | 5 |  |  | $ | — |  |  | $ | 117 |  |  | $ | (4) |  |  | $ | 122 |  |  | $ | (4) |
Certificates of deposit |  | 6 |  |  | — |  |  | — |  |  | — |  |  | 6 |  |  | — |
Asset-backed securities |  | — |  |  | — |  |  | 2 |  |  | — |  |  | 2 |  |  | — |
Total |  | $ | 11 |  |  | $ | — |  |  | $ | 119 |  |  | $ | (4) |  |  | $ | 130 |  |  | $ | (4) |
Schedule of Investments Classified by Contractual Maturity Date | The scheduled contractual maturities of debt securities as of December 31, 2023 are as follows (in millions):
December 31, 2023 |  | Fair Value |  | Within 1 Year |  | After 1 Year through 5 Years
Corporate-debt securities |  | $ | 54 |  |  | $ | 54 |  |  | $ | — |
Total |  | $ | 54 |  |  | $ | 54 |  |  | $ | — |
Marketable Securities And Equity Securities Without Readily Determinable Fair Value | A summary of non-marketable equity securities and equity method investment balances as of December 31, 2023 and 2022 are as follows (in millions):
| December 31, 2023 |  | December 31, 2022
Equity method investments | $ | 20 |  |  | $ | 20 |
Non-marketable equity securities | — |  |  | 5 |
Total | $ | 20 |  |  | $ | 25 |

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