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FAIR VALUE MEASUREMENTS - Financial Assets and Liabilities Carried at Fair Value (Details) - USD ($) $ in Millions | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Investment in private company equity securities | Long-term Investments |  |  |  |  |
LIABILITIES: |  |  |  |  |
Investment in equity securities without readily determinable FV |  | $ 153 |  | $ 325 |
Recurring Basis |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 13,191 |  | 13,315 |
Recurring Basis | Money market fund investments | Cash Equivalents and Restricted Cash Equivalents |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 10,850 |  | 10,410 |
Recurring Basis | Time deposits and certificates of deposit | Cash Equivalents and Restricted Cash Equivalents |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 77 |  | 25 |
Recurring Basis | Debt securities | Short-term Investments |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 25 |  | 25 |
Recurring Basis | Equity securities | Long-term Investments |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 2,228 |  | 2,850 |
Recurring Basis | Not Designated as Hedging Instrument | Foreign currency exchange derivatives |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 11 |  | 5 |
LIABILITIES: |  |  |  |  |
Liabilities at fair value |  | 24 |  | 11 |
Nonrecurring Basis |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 122 |  | 325 |
Nonrecurring Basis | Investment in private company equity securities | Long-term Investments |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 122 | [1] | 325 | [2]
Level 1 | Recurring Basis |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 13,155 |  | 13,285 |
Level 1 | Recurring Basis | Money market fund investments | Cash Equivalents and Restricted Cash Equivalents |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 10,850 |  | 10,410 |
Level 1 | Recurring Basis | Time deposits and certificates of deposit | Cash Equivalents and Restricted Cash Equivalents |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 77 |  | 25 |
Level 1 | Recurring Basis | Debt securities | Short-term Investments |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 0 |  | 0 |
Level 1 | Recurring Basis | Equity securities | Long-term Investments |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 2,228 |  | 2,850 |
Level 1 | Recurring Basis | Not Designated as Hedging Instrument | Foreign currency exchange derivatives |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 0 |  | 0 |
LIABILITIES: |  |  |  |  |
Liabilities at fair value |  | 0 |  | 0 |
Level 1 | Nonrecurring Basis |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 0 |  | 0 |
Level 1 | Nonrecurring Basis | Investment in private company equity securities | Long-term Investments |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 0 | [1] | 0 | [2]
Level 2 | Recurring Basis |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 36 |  | 30 |
Level 2 | Recurring Basis | Money market fund investments | Cash Equivalents and Restricted Cash Equivalents |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 0 |  | 0 |
Level 2 | Recurring Basis | Time deposits and certificates of deposit | Cash Equivalents and Restricted Cash Equivalents |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 0 |  | 0 |
Level 2 | Recurring Basis | Debt securities | Short-term Investments |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 25 |  | 25 |
Level 2 | Recurring Basis | Equity securities | Long-term Investments |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 0 |  | 0 |
Level 2 | Recurring Basis | Not Designated as Hedging Instrument | Foreign currency exchange derivatives |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 11 |  | 5 |
LIABILITIES: |  |  |  |  |
Liabilities at fair value |  | 24 |  | 11 |
Level 2 | Nonrecurring Basis |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 0 |  | 325 |
Level 2 | Nonrecurring Basis | Investment in private company equity securities | Long-term Investments |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 0 | [1] | $ 325 | [2]
Level 3 | Recurring Basis |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 0 |  |  |
Level 3 | Recurring Basis | Money market fund investments | Cash Equivalents and Restricted Cash Equivalents |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 0 |  |  |
Level 3 | Recurring Basis | Time deposits and certificates of deposit | Cash Equivalents and Restricted Cash Equivalents |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 0 |  |  |
Level 3 | Recurring Basis | Debt securities | Short-term Investments |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 0 |  |  |
Level 3 | Recurring Basis | Equity securities | Long-term Investments |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 0 |  |  |
Level 3 | Recurring Basis | Not Designated as Hedging Instrument | Foreign currency exchange derivatives |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 0 |  |  |
LIABILITIES: |  |  |  |  |
Liabilities at fair value |  | 0 |  |  |
Level 3 | Nonrecurring Basis |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value |  | 122 |  |  |
Level 3 | Nonrecurring Basis | Investment in private company equity securities | Long-term Investments |  |  |  |  |
ASSETS: |  |  |  |  |
Assets at fair value | [1] | $ 122 |  |  |
[1] | At June 30, 2022, the investment in Yanolja was written down to its estimated fair value of $122 million, resulting in an impairment charge of $184 million (see Note 5).
[2] | During the year ended December 31, 2021, the Company recorded upward adjustments to its investments in equity securities of private companies, including Yanolja, based on observable price changes in orderly transactions for identical or similar investments of the same issuer.

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