ACCOUNTS RECEIVABLE AND OTHER FINANCIAL ASSETS - Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables from customers, gross, current	$ 1,900	$ 1,500
Receivables from payment processors and networks, gross, current	1,300	730
Allowance for expected credit losses on prepayments to certain customers	17	23
Prepaid expenses , net
Accounts, Notes, Loans and Financing Receivable [Line Items]
Prepayments to certain customers	10	29
Other assets, net
Accounts, Notes, Loans and Financing Receivable [Line Items]
Prepayments to certain customers	$ 16	$ 5