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Significant Group Concentrations Of Risk (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Concentration Risk [Line Items]    
Gross accounts receivable and gross customer financing $ 13,108  
Gross customer financing 4,211 $ 3,586
External Credit Rating, Non Investment Grade [Member]    
Concentration Risk [Line Items]    
Gross customer financing $ 2,760  
Workforce Subject To Collective Bargaining Arrangements [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 38.00%  
Commercial Aircraft Customers [Member]    
Concentration Risk [Line Items]    
Gross accounts receivable and gross customer financing $ 6,380  
Accounts Receivable, Gross, Current 2,175  
Gross customer financing 4,205  
U S Government Contracts [Member]    
Concentration Risk [Line Items]    
Accounts Receivable, Gross, Current $ 4,639 $ 4,864
Volga Dnepr Affiliates [Member] | Customer Financing [Member] | External Credit Rating, Non Investment Grade [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 18.00%  
Silk Way Airlines [Member] | Customer Financing [Member] | External Credit Rating, Non Investment Grade [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 9.00%  
American Airlines [Member] | Customer Financing [Member] | External Credit Rating, Non Investment Grade [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 6.00%