ALLOWANCE FOR CREDIT LOSSES - Credit Quality Indicators (Details) - Credit Card Receivable - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Financing Receivable, Credit Quality Indicator [Line Items]
Total credit card loans	$ 1,040	$ 391
% of Total Loans	100.00%	100.00%
Below 640
Financing Receivable, Credit Quality Indicator [Line Items]
Total credit card loans	$ 26	$ 64
% of Total Loans	3.00%	16.00%
640-690
Financing Receivable, Credit Quality Indicator [Line Items]
Total credit card loans	$ 202	$ 100
% of Total Loans	19.00%	26.00%
Greater than 690
Financing Receivable, Credit Quality Indicator [Line Items]
Total credit card loans	$ 812	$ 227
% of Total Loans	78.00%	58.00%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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