LOANS AND INTEREST RECEIVABLE - Schedule of Delinquency Status of Consumer Loans and Interest Receivable by Year of Origination (Details) - Consumer Receivables - USD ($) $ in Millions	9 Months Ended		12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Revolving Loans Amortized Cost Basis	$ 2,533		$ 2,313
Loans, advances, and interest and fees receivable, originated current fiscal year	1,986		2,160
Loans, advances, and interest and fees receivable, originated fiscal year before current fiscal year	509		305
Loans, advances, and interest and fees receivable, originated two years before current fiscal year	85		2
Loans, advances, and interest and fees receivable, originated three years before current fiscal year	0		0
Loans, advances, and interest and fees receivable, originated four years before current fiscal year	0		0
Total	$ 5,113		$ 4,780
Percent	100.00%		100.00%
Financing Receivable, Allowance For Credit Loss, Write Off, By Origination Year [Abstract]
Gross charge-offs, Revolving Loans Amortized Cost Basis	$ 104		$ 125
Gross charge-offs, originated current fiscal year	11		101
Gross charge-offs, originated fiscal year before current fiscal year	119		140
Gross charge-offs, originated two years before current fiscal year	13		5
Gross charge-offs, originated three years before current fiscal year	1		0
Gross charge-offs, originated four years before current fiscal year	0		0
Total Gross charge-offs	248	$ 272	371
Current
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Revolving Loans Amortized Cost Basis	2,447		2,225
Loans, advances, and interest and fees receivable, originated current fiscal year	1,895		2,045
Loans, advances, and interest and fees receivable, originated fiscal year before current fiscal year	480		289
Loans, advances, and interest and fees receivable, originated two years before current fiscal year	79		0
Loans, advances, and interest and fees receivable, originated three years before current fiscal year	0		0
Loans, advances, and interest and fees receivable, originated four years before current fiscal year	0		0
Total	$ 4,901		$ 4,559
Percent	95.90%		95.40%
30 - 59 Days
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Revolving Loans Amortized Cost Basis	$ 27		$ 27
Loans, advances, and interest and fees receivable, originated current fiscal year	41		34
Loans, advances, and interest and fees receivable, originated fiscal year before current fiscal year	13		4
Loans, advances, and interest and fees receivable, originated two years before current fiscal year	2		1
Loans, advances, and interest and fees receivable, originated three years before current fiscal year	0		0
Loans, advances, and interest and fees receivable, originated four years before current fiscal year	0		0
Total	$ 83		$ 66
Percent	1.60%		1.40%
60 - 89 Days
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Revolving Loans Amortized Cost Basis	$ 18		$ 20
Loans, advances, and interest and fees receivable, originated current fiscal year	17		26
Loans, advances, and interest and fees receivable, originated fiscal year before current fiscal year	6		4
Loans, advances, and interest and fees receivable, originated two years before current fiscal year	1		0
Loans, advances, and interest and fees receivable, originated three years before current fiscal year	0		0
Loans, advances, and interest and fees receivable, originated four years before current fiscal year	0		0
Total	$ 42		$ 50
Percent	0.80%		1.00%
90 - 179 Days
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Revolving Loans Amortized Cost Basis	$ 41		$ 41
Loans, advances, and interest and fees receivable, originated current fiscal year	33		55
Loans, advances, and interest and fees receivable, originated fiscal year before current fiscal year	10		8
Loans, advances, and interest and fees receivable, originated two years before current fiscal year	3		1
Loans, advances, and interest and fees receivable, originated three years before current fiscal year	0		0
Loans, advances, and interest and fees receivable, originated four years before current fiscal year	0		0
Total	$ 87		$ 105
Percent	1.70%		2.20%