Commitments And Contingencies - Additional Information (Details) $ in Billions	3 Months Ended
Mar. 31, 2019 USD ($)
Other Commitments [Line Items]
Letters of credit and guarantees	$ 1.3
Maximum
Other Commitments [Line Items]
Period preceding delivery of aircraft to customer fair market value of trade-in aircraft is established, days, maximum	45 days

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.

No definition available.

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