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MARKETABLE SECURITIES AND NON-CURRENT INVESTMENTS - Investments Measured at Fair Value on a Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments | $ 282 | $ 225
Marketable Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments | 263 | 206
Marketable Securities | U.S. government and agency debt securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments | 139 | 164
Marketable Securities | Corporate debt securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments | 122 | 39
Marketable Securities | Equity securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments | 2 | 3
Other non-current investments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments | 19 | 19
Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments | 254 | 189
Quoted Prices in Active Markets for Identical Assets (Level 1) | Marketable Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments | 254 | 189
Quoted Prices in Active Markets for Identical Assets (Level 1) | Marketable Securities | U.S. government and agency debt securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments | 139 | 164
Quoted Prices in Active Markets for Identical Assets (Level 1) | Marketable Securities | Corporate debt securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments | 115 | 25
Quoted Prices in Active Markets for Identical Assets (Level 1) | Marketable Securities | Equity securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Other non-current investments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments | 0 | 0
Significant Other Observable Inputs (Level 2) |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments | 28 | 36
Significant Other Observable Inputs (Level 2) | Marketable Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments | 9 | 17
Significant Other Observable Inputs (Level 2) | Marketable Securities | U.S. government and agency debt securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments | 0 | 0
Significant Other Observable Inputs (Level 2) | Marketable Securities | Corporate debt securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments | 7 | 14
Significant Other Observable Inputs (Level 2) | Marketable Securities | Equity securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments | 2 | 3
Significant Other Observable Inputs (Level 2) | Other non-current investments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments | 19 | 19
Significant Unobservable Inputs (Level 3) |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments | 0 | 0
Significant Unobservable Inputs (Level 3) | Marketable Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments | 0 | 0
Significant Unobservable Inputs (Level 3) | Marketable Securities | U.S. government and agency debt securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments | 0 | 0
Significant Unobservable Inputs (Level 3) | Marketable Securities | Corporate debt securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments | 0 | 0
Significant Unobservable Inputs (Level 3) | Marketable Securities | Equity securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments | 0 | 0
Significant Unobservable Inputs (Level 3) | Other non-current investments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments | $ 0 | $ 0

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