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	3 Months Ended	12 Months Ended
Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Installment Loans Amortized Cost Basis
Originated in year one	$ 830		$ 1,684
Originated in year two	946		103
Originated in year three	63		11
Originated in year four	8		6
Originated in year five	4		0
Loans, advances, and interest and fees receivable, originated five years before current fiscal year			2
Total	$ 1,851		$ 1,806
Percent	100.00%		100.00%
Gross charge-offs by origination year [Abstract]
Year one	$ 0		$ 25
Year two	25		87
Year three	13		19
Year four	2		4
Year five	0		0
Five years before current fiscal year			2
Total Gross charge-offs	40	$ 25	137
Current
Installment Loans Amortized Cost Basis
Originated in year one	818		1,558
Originated in year two	803		53
Originated in year three	26		5
Originated in year four	3		3
Originated in year five	4		0
Loans, advances, and interest and fees receivable, originated five years before current fiscal year			2
Total	$ 1,654		$ 1,621
Percent	89.40%		89.80%
30 - 59 Days
Installment Loans Amortized Cost Basis
Originated in year one	$ 10		$ 63
Originated in year two	57		17
Originated in year three	13		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	$ 81		$ 82
Percent	4.40%		4.50%
60 - 89 Days
Installment Loans Amortized Cost Basis
Originated in year one	$ 2		$ 27
Originated in year two	32		10
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	$ 43		$ 39
Percent	2.30%		2.20%
90 - 179 Days
Installment Loans Amortized Cost Basis
Originated in year one	$ 0		$ 34
Originated in year two	50		18
Originated in year three	11		2
Originated in year four	2		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	3.40%		3.00%
180+ Days
Installment Loans Amortized Cost Basis
Originated in year one	$ 0		$ 2
Originated in year two	4		5
Originated in year three	5		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	$ 10		$ 9
Percent	0.50%		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