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Financial Derivative Instruments - Fuel Hedging (Details) gal in Millions | 9 Months Ended
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Sep. 30, 2021 gal
Remainder of 2021 |
Volume of Fuel Hedging |
Fuel Hedged (in gallons) | 321
2022 |
Volume of Fuel Hedging |
Fuel Hedged (in gallons) | 1,220
2023 |
Volume of Fuel Hedging |
Fuel Hedged (in gallons) | 769
2024 |
Volume of Fuel Hedging |
Fuel Hedged (in gallons) | 358

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- Definition 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. + References No definition available. + Details
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- Definition Nominal volume used to calculate payments on a derivative instrument. + References No definition available. + Details
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