DEBT - Covenants (Details) - SkyMiles program $ in Millions	Dec. 31, 2023 USD ($)
Debt Instrument [Line Items]
Minimum liquidity covenant	$ 2,000
Aggregate limit on sale of pre-paid miles covenant	$ 550

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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+ Details