CONTRACTS WITH CUSTOMERS (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2024	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Allowance for credit loss	$ 201	$ 197
Loyalty Program
Disaggregation of Revenue [Line Items]
Increase (decrease) in deferred revenue	184
Contract with customer liability	7,190	$ 7,006
Deferred revenue recognized	$ 771

Amount of allowance for credit loss on accounts receivable.

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