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FAIR VALUE MEASUREMENTS - Fair Value Of Financial Instruments On A Recurring Basis (Details) - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | $ 1,420 |
Fair Value, Measurements, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | 1,420 | $ 1,274
Fair Value, Measurements, Recurring | U.S. government and agency securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | 311 | 292
Fair Value, Measurements, Recurring | Equity mutual funds |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | 7 | 7
Fair Value, Measurements, Recurring | Asset-backed securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | 173 | 134
Fair Value, Measurements, Recurring | Mortgage-backed securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | 174 | 112
Fair Value, Measurements, Recurring | Corporate notes and bonds |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | 737 | 698
Fair Value, Measurements, Recurring | Municipal securities and other |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | 18 | 31
Level 1 | Fair Value, Measurements, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | 318 | 299
Level 1 | Fair Value, Measurements, Recurring | U.S. government and agency securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | 311 | 292
Level 1 | Fair Value, Measurements, Recurring | Equity mutual funds |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | 7 | 7
Level 1 | Fair Value, Measurements, Recurring | Asset-backed securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | 0 | 0
Level 1 | Fair Value, Measurements, Recurring | Mortgage-backed securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | 0 | 0
Level 1 | Fair Value, Measurements, Recurring | Corporate notes and bonds |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | 0 | 0
Level 1 | Fair Value, Measurements, Recurring | Municipal securities and other |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | 0 | 0
Level 2 | Fair Value, Measurements, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | 1,099 | 966
Level 2 | Fair Value, Measurements, Recurring | U.S. government and agency securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | 0 | 0
Level 2 | Fair Value, Measurements, Recurring | Equity mutual funds |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | 0 | 0
Level 2 | Fair Value, Measurements, Recurring | Asset-backed securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | 170 | 127
Level 2 | Fair Value, Measurements, Recurring | Mortgage-backed securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | 174 | 112
Level 2 | Fair Value, Measurements, Recurring | Corporate notes and bonds |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | 737 | 696
Level 2 | Fair Value, Measurements, Recurring | Municipal securities and other |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | 18 | 31
Level 3 | Fair Value, Measurements, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | 3 | 9
Level 3 | Fair Value, Measurements, Recurring | U.S. government and agency securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | 0 | 0
Level 3 | Fair Value, Measurements, Recurring | Equity mutual funds |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | 0 | 0
Level 3 | Fair Value, Measurements, Recurring | Asset-backed securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | 3 | 7
Level 3 | Fair Value, Measurements, Recurring | Mortgage-backed securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | 0 | 0
Level 3 | Fair Value, Measurements, Recurring | Corporate notes and bonds |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | 0 | 2
Level 3 | Fair Value, Measurements, Recurring | Municipal securities and other |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Marketable securities | $ 0 | $ 0

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