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, 2026	Jun. 30, 2025	Dec. 31, 2025
Installment Loans Amortized Cost Basis
Originated in year one	$ 1,390		$ 1,684
Originated in year two	461		103
Originated in year three	41		11
Originated in year four	6		6
Originated in year five	2		0
Loans, advances, and interest and fees receivable, originated five years before current fiscal year			2
Total	$ 1,900		$ 1,806
Percent	100.00%		100.00%
Gross charge-offs by origination year [Abstract]
Year one	$ 0		$ 25
Year two	61		87
Year three	20		19
Year four	3		4
Year five	0		0
Five years before current fiscal year			2
Total Gross charge-offs	84	$ 59	137
Current
Installment Loans Amortized Cost Basis
Originated in year one	1,340		1,558
Originated in year two	343		53
Originated in year three	15		5
Originated in year four	2		3
Originated in year five	2		0
Loans, advances, and interest and fees receivable, originated five years before current fiscal year			2
Total	$ 1,702		$ 1,621
Percent	89.60%		89.80%
30 - 59 Days
Installment Loans Amortized Cost Basis
Originated in year one	$ 32		$ 63
Originated in year two	41		17
Originated in year three	8		1
Originated in year four	1		1
Originated in year five	0		0
Loans, advances, and interest and fees receivable, originated five years before current fiscal year			0
Total	$ 82		$ 82
Percent	4.30%		4.50%
60 - 89 Days
Installment Loans Amortized Cost Basis
Originated in year one	$ 11		$ 27
Originated in year two	25		10
Originated in year three	5		1
Originated in year four	1		1
Originated in year five	0		0
Loans, advances, and interest and fees receivable, originated five years before current fiscal year			0
Total	$ 42		$ 39
Percent	2.20%		2.20%
90 - 179 Days
Installment Loans Amortized Cost Basis
Originated in year one	$ 7		$ 34
Originated in year two	46		18
Originated in year three	9		2
Originated in year four	1		1
Originated in year five	0		0
Loans, advances, and interest and fees receivable, originated five years before current fiscal year			0
Total	$ 63		$ 55
Percent	3.30%		3.00%
180+ Days
Installment Loans Amortized Cost Basis
Originated in year one	$ 0		$ 2
Originated in year two	6		5
Originated in year three	4		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
Total	$ 11		$ 9
Percent	0.60%		0.50%

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