COMMITMENTS AND CONTINGENCIES - Other Contractual Obligations (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Standby Letters of Credit
Other Commitments [Line Items]
Letters of credit outstanding	$ 511	$ 138

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.

No definition available.

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