ALLOWANCE FOR CREDIT LOSSES AND CREDIT CARD EXPECTED LOSS LIABILITY - Allowances For Credit Losses Of Receivables From Users (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Contract with Customer, Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 18	$ 40	$ 34
Provision for credit losses	24	36	78
Write-offs	(26)	(58)	(72)
Ending balance	$ 16	$ 18	$ 40