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FAIR VALUE MEASUREMENTS - Financial Assets and Liabilities Carried at Fair Value (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Recurring fair value measurements | Foreign currency exchange derivatives | Not designated as hedging instrument |  |
ASSETS: |  |
Total assets at fair value | $ 70 | $ 62
LIABILITIES: |  |
Total liabilities at fair value | 93 | 36
Recurring fair value measurements | Embedded derivative liability | Not designated as hedging instrument |  |
LIABILITIES: |  |
Total liabilities at fair value | 1,300 |
Recurring fair value measurements | Money market fund investments | Cash equivalents and restricted cash equivalents |  |
ASSETS: |  |
Total assets at fair value | 14,806 | 10,871
Recurring fair value measurements | Certificates of deposit | Cash equivalents and restricted cash equivalents |  |
ASSETS: |  |
Total assets at fair value | 120 | 97
Recurring fair value measurements | International government securities | Short-term Investments |  |
ASSETS: |  |
Total assets at fair value |  | 63
Recurring fair value measurements | U.S. government securities | Short-term Investments |  |
ASSETS: |  |
Total assets at fair value |  | 151
Recurring fair value measurements | Corporate debt securities | Short-term Investments |  |
ASSETS: |  |
Total assets at fair value |  | 362
Recurring fair value measurements | Equity securities | Long-term investments |  |
ASSETS: |  |
Total assets at fair value | 391 | 311
Recurring fair value measurements | Level 1 | Foreign currency exchange derivatives | Not designated as hedging instrument |  |
ASSETS: |  |
Total assets at fair value | 0 | 0
LIABILITIES: |  |
Total liabilities at fair value | 0 | 0
Recurring fair value measurements | Level 1 | Embedded derivative liability | Not designated as hedging instrument |  |
LIABILITIES: |  |
Total liabilities at fair value | 0 |
Recurring fair value measurements | Level 1 | Money market fund investments | Cash equivalents and restricted cash equivalents |  |
ASSETS: |  |
Total assets at fair value | 14,806 | 10,871
Recurring fair value measurements | Level 1 | Certificates of deposit | Cash equivalents and restricted cash equivalents |  |
ASSETS: |  |
Total assets at fair value | 120 | 97
Recurring fair value measurements | Level 1 | International government securities | Short-term Investments |  |
ASSETS: |  |
Total assets at fair value |  | 0
Recurring fair value measurements | Level 1 | U.S. government securities | Short-term Investments |  |
ASSETS: |  |
Total assets at fair value |  | 0
Recurring fair value measurements | Level 1 | Corporate debt securities | Short-term Investments |  |
ASSETS: |  |
Total assets at fair value |  | 0
Recurring fair value measurements | Level 1 | Equity securities | Long-term investments |  |
ASSETS: |  |
Total assets at fair value | 391 | 311
Recurring fair value measurements | Level 2 | Foreign currency exchange derivatives | Not designated as hedging instrument |  |
ASSETS: |  |
Total assets at fair value | 70 | 62
LIABILITIES: |  |
Total liabilities at fair value | 93 | 36
Recurring fair value measurements | Level 2 | Embedded derivative liability | Not designated as hedging instrument |  |
LIABILITIES: |  |
Total liabilities at fair value | 1,300 |
Recurring fair value measurements | Level 2 | Money market fund investments | Cash equivalents and restricted cash equivalents |  |
ASSETS: |  |
Total assets at fair value | 0 | 0
Recurring fair value measurements | Level 2 | Certificates of deposit | Cash equivalents and restricted cash equivalents |  |
ASSETS: |  |
Total assets at fair value | 0 | 0
Recurring fair value measurements | Level 2 | International government securities | Short-term Investments |  |
ASSETS: |  |
Total assets at fair value |  | 63
Recurring fair value measurements | Level 2 | U.S. government securities | Short-term Investments |  |
ASSETS: |  |
Total assets at fair value |  | 151
Recurring fair value measurements | Level 2 | Corporate debt securities | Short-term Investments |  |
ASSETS: |  |
Total assets at fair value |  | 362
Recurring fair value measurements | Level 2 | Equity securities | Long-term investments |  |
ASSETS: |  |
Total assets at fair value | 0 | 0
Recurring fair value measurements | Level 3 | Foreign currency exchange derivatives | Not designated as hedging instrument |  |
ASSETS: |  |
Total assets at fair value | 0 | 0
LIABILITIES: |  |
Total liabilities at fair value | 0 | 0
Recurring fair value measurements | Level 3 | Embedded derivative liability | Not designated as hedging instrument |  |
LIABILITIES: |  |
Total liabilities at fair value | 0 |
Recurring fair value measurements | Level 3 | Money market fund investments | Cash equivalents and restricted cash equivalents |  |
ASSETS: |  |
Total assets at fair value | 0 | 0
Recurring fair value measurements | Level 3 | Certificates of deposit | Cash equivalents and restricted cash equivalents |  |
ASSETS: |  |
Total assets at fair value | 0 | 0
Recurring fair value measurements | Level 3 | International government securities | Short-term Investments |  |
ASSETS: |  |
Total assets at fair value |  | 0
Recurring fair value measurements | Level 3 | U.S. government securities | Short-term Investments |  |
ASSETS: |  |
Total assets at fair value |  | 0
Recurring fair value measurements | Level 3 | Corporate debt securities | Short-term Investments |  |
ASSETS: |  |
Total assets at fair value |  | 0
Recurring fair value measurements | Level 3 | Equity securities | Long-term investments |  |
ASSETS: |  |
Total assets at fair value | $ 0 | 0
Nonrecurring fair value measurements | Equity securities of private entities | Long-term investments |  |
ASSETS: |  |
Total assets at fair value |  | 98
Nonrecurring fair value measurements | Level 1 | Equity securities of private entities | Long-term investments |  |
ASSETS: |  |
Total assets at fair value |  | 0
Nonrecurring fair value measurements | Level 2 | Equity securities of private entities | Long-term investments |  |
ASSETS: |  |
Total assets at fair value |  | 0
Nonrecurring fair value measurements | Level 3 | Equity securities of private entities | Long-term investments |  |
ASSETS: |  |
Total assets at fair value |  | $ 98

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