LOANS AND INTEREST RECEIVABLE - Schedule of Delinquency Status of Merchant Loans, Advances, and Interest and Fees Receivable by Year of Origination (Details) - Merchant Receivables - USD ($) $ in Millions	6 Months Ended	12 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Installment Loans Amortized Cost Basis
Originated in year one	$ 1,209		$ 1,374
Originated in year two	409		59
Originated in year three	24		23
Originated in year four	12		1
Originated in year five	1		8
Loans, advances, and interest and fees receivable, originated five years before current fiscal year	6		5
Total	$ 1,661		$ 1,470
Percent	100.00%		100.00%
Gross charge-offs by origination year [Abstract]
Year one	$ 0		$ 10
Year two	42		96
Year three	14		42
Year four	2		0
Year five	0		8
Five years before current fiscal year	1		0
Total Gross charge-offs	59	$ 94	156
Current
Installment Loans Amortized Cost Basis
Originated in year one	1,158		1,274
Originated in year two	311		28
Originated in year three	10		13
Originated in year four	7		1
Originated in year five	1		8
Loans, advances, and interest and fees receivable, originated five years before current fiscal year	6		4
Total	$ 1,493		$ 1,328
Percent	89.90%		90.40%
30 - 59 Days
Installment Loans Amortized Cost Basis
Originated in year one	$ 30		$ 55
Originated in year two	37		10
Originated in year three	5		3
Originated in year four	1		0
Originated in year five	0		0
Loans, advances, and interest and fees receivable, originated five years before current fiscal year	0		1
Total	$ 73		$ 69
Percent	4.40%		4.70%
60 - 89 Days
Installment Loans Amortized Cost Basis
Originated in year one	$ 12		$ 23
Originated in year two	19		6
Originated in year three	3		2
Originated in year four	1		0
Originated in year five	0		0
Loans, advances, and interest and fees receivable, originated five years before current fiscal year	0		0
Total	$ 35		$ 31
Percent	2.10%		2.10%
90 - 179 Days
Installment Loans Amortized Cost Basis
Originated in year one	$ 9		$ 21
Originated in year two	37		11
Originated in year three	4		4
Originated in year four	2		0
Originated in year five	0		0
Loans, advances, and interest and fees receivable, originated five years before current fiscal year	0		0
Total	$ 52		$ 36
Percent	3.10%		2.40%
180+ Days
Installment Loans Amortized Cost Basis
Originated in year one	$ 0		$ 1
Originated in year two	5		4
Originated in year three	2		1
Originated in year four	1		0
Originated in year five	0		0
Loans, advances, and interest and fees receivable, originated five years before current fiscal year	0		0
Total	$ 8		$ 6
Percent	0.50%		0.40%

LOANS AND INTEREST RECEIVABLE - Schedule of Delinquency Status of Merchant Loans, Advances, and Interest and Fees Receivable by Year of Origination (Details) - Merchant Receivables - USD ($)
$ in Millions