FAIR VALUE MEASUREMENT OF ASSETS AND LIABILITIES - Summary of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis Footnote Narrative (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash	$ 5,300	$ 6,800
Restricted cash	11	17
Time deposits, current and noncurrent	674	537
Funds receivable and customer accounts	33,643	36,264
Carrying value of non-marketable equity securities which do not have readily determinable fair value	1,800	1,800
Cash, time deposits and funds receivable
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Funds receivable and customer accounts	$ 16,900	$ 18,700

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.