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FAIR VALUE MEASUREMENTS - Financial Instruments and Related Fair Value Measurements - Additional Information (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Financial Instruments and Fair Value [Line Items]    
Cash and cash equivalents $ 2,951 $ 3,730
Other Assets    
Financial Instruments and Fair Value [Line Items]    
Other equity investments without readily determinable fair values 114 105
Fair Value, Inputs, Level 2    
Financial Instruments and Fair Value [Line Items]    
Cash and cash equivalents 3,000 3,700
Money market funds, at carrying value $ 816 $ 1,800