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Financial Derivative Instruments and Risk Management - Fuel Derivatives (Details) - Aircraft Fuel Derivatives - Fuel $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 USD ($) MBoe | Dec. 31, 2021 USD ($) MBoe
Derivative [Line Items] |  |
Asset fair value recorded in prepaid expenses and other current assets | $ 3 | $ 0
Longest remaining term (months) | 3 months |
Hedged volume (barrels, in thousands) | MBoe | 450 | 0
Estimated amount of existing gains expected to be reclassified into earnings in the next 12 months | $ 2 | $ 0

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- Definition Maximum period the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=121549185&loc=d3e80748-113994 + Details
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