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CASH, CASH EQUIVALENTS, AND MARKETABLE SECURITIES - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Total cash and cash equivalents $ 8,251 $ 9,270
Total marketable securities 768 784
Total marketable securities classified as cash equivalents    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Total cash and cash equivalents 1,244 2,332
Cash, time deposits, and money market funds    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Total cash and cash equivalents 7,007 6,938
Level 1 | United States government    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Total marketable securities 223 224
Level 1 | United States government    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Total cash and cash equivalents 103 70
Level 2 | Non-United States government and agencies    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Total marketable securities 94 91
Level 2 | Corporate debt    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Total marketable securities 266 269
Level 2 | Other marketable securities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Total marketable securities 185 200
Level 2 | United States government agencies    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Total cash and cash equivalents 50 400
Level 2 | Non-United States government and agencies    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Total cash and cash equivalents 352 1,082
Level 2 | Corporate debt    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Total cash and cash equivalents $ 739 $ 780