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Commitments And Contingencies - Additional Information (Details)
$ in Billions
6 Months Ended
Jul. 02, 2017
USD ($)
Other Commitments [Line Items]  
Letters of credit and guarantees $ 1.1
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