CONTINGENCIES (Details) - Interchange Fees Litigation $ in Millions	12 Months Ended
Dec. 31, 2019 USD ($)
Contingencies
Damages awarded	$ 6,240
Reduction in settlement amount awarded to other party	$ 700

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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