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Financial Instruments - Summary of Republic Shares (Detail) - Equity investments [member] - Republic Airways Holdings [Member] $ in Millions | 12 Months Ended
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Dec. 31, 2024 USD ($)
Growth Rate [Member] |
Disclosure of sensitivity analysis of fair value measurement to changes in unobservable inputs, assets [line items] |
Increase | $ 96.5
Probable Scenario | 95.0
Decrease | 93.4
Discount rate, measurement input [member] |
Disclosure of sensitivity analysis of fair value measurement to changes in unobservable inputs, assets [line items] |
Increase | 97.1
Probable Scenario | 95.0
Decrease | $ 92.9

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