CASH, CASH EQUIVALENTS, AND MARKETABLE SECURITIES - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Cash and cash equivalents	$ 8,764	$ 9,272
Marketable securities	753	706
Total marketable securities classified as cash equivalents
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Cash and cash equivalents	1,862	1,963
Cash, time deposits, and money market funds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Cash and cash equivalents	6,902	7,309
Level 1 | United States government
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Cash and cash equivalents	162	854
Level 1 | United States government
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Marketable securities	242	185
Level 2 | United States government agencies
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Cash and cash equivalents	0	400
Level 2 | Non-United States government and agencies
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Cash and cash equivalents	818	370
Level 2 | Corporate debt
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Cash and cash equivalents	882	339
Level 2 | United States government agencies
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Marketable securities	0	0
Level 2 | Non-United States government and agencies
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Marketable securities	90	79
Level 2 | Corporate debt
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Marketable securities	250	252
Level 2 | Other marketable securities
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Marketable securities	$ 171	$ 190