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, 2025	Mar. 31, 2024	Dec. 31, 2024
Installment Loans Amortized Cost Basis
Originated in year one	$ 707		$ 1,374
Originated in year two	802		59
Originated in year three	38		23
Originated in year four	16		1
Originated in year five	1		8
Loans, advances, and interest and fees receivable, originated five years before current fiscal year	11		5
Total	$ 1,575		$ 1,470
Percent	100.00%		100.00%
Financing Receivable, Allowance For Credit Loss, Write Off, By Origination Year [Abstract]
Gross charge-offs, originated in year one	$ 0		$ 10
Gross charge-offs, originated in year two	16		96
Gross charge-offs, originated in year three	8		42
Gross charge-offs, originated in year four	1		0
Gross charge-offs, originated in year five	0		8
Gross charge-offs, originated five years before current fiscal year	0		0
Total	25	$ 53	156
Current
Installment Loans Amortized Cost Basis
Originated in year one	694		1,274
Originated in year two	689		28
Originated in year three	15		13
Originated in year four	9		1
Originated in year five	1		8
Loans, advances, and interest and fees receivable, originated five years before current fiscal year	9		4
Total	$ 1,417		$ 1,328
Percent	90.00%		90.40%
30 - 59 Days
Installment Loans Amortized Cost Basis
Originated in year one	$ 11		$ 55
Originated in year two	51		10
Originated in year three	7		3
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	1		1
Total	$ 72		$ 69
Percent	4.60%		4.70%
60 - 89 Days
Installment Loans Amortized Cost Basis
Originated in year one	$ 2		$ 23
Originated in year two	24		6
Originated in year three	5		2
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	1		0
Total	$ 34		$ 31
Percent	2.20%		2.10%
90 - 179 Days
Installment Loans Amortized Cost Basis
Originated in year one	$ 0		$ 21
Originated in year two	35		11
Originated in year three	8		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	$ 45		$ 36
Percent	2.80%		2.40%
180+ Days
Installment Loans Amortized Cost Basis
Originated in year one	$ 0		$ 1
Originated in year two	3		4
Originated in year three	3		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	$ 7		$ 6
Percent	0.40%		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