XML 57 R40.htm IDEA: XBRL DOCUMENT v3.10.0.1
Revenue Recognition - Narrative (Details)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2018
USD ($)
Sep. 30, 2017
USD ($)
Sep. 30, 2018
USD ($)
component
Sep. 30, 2017
USD ($)
Disaggregation of Revenue [Line Items]        
Operating revenues $ 11,559 $ 10,965 $ 33,603 $ 32,011
Contract receivables settlement duration     7 days  
Loyalty program [Member]        
Disaggregation of Revenue [Line Items]        
Contract term     one to nine years  
Payment term     30 days  
Number of revenue components | component     2  
Recognition of revenue     $ 2,565  
Loyalty revenue - marketing services [Member]        
Disaggregation of Revenue [Line Items]        
Operating revenues 613 527 $ 1,765 1,574
Air traffic liability [Member]        
Disaggregation of Revenue [Line Items]        
Contract term     one year  
Recognition of revenue     $ 3,100  
American Airlines, Inc. [Member]        
Disaggregation of Revenue [Line Items]        
Operating revenues 11,556 10,962 $ 33,594 32,003
Contract receivables settlement duration     7 days  
American Airlines, Inc. [Member] | Loyalty program [Member]        
Disaggregation of Revenue [Line Items]        
Contract term     one to nine years  
Payment term     30 days  
Number of revenue components | component     2  
Recognition of revenue     $ 2,565  
American Airlines, Inc. [Member] | Loyalty revenue - marketing services [Member]        
Disaggregation of Revenue [Line Items]        
Operating revenues $ 613 $ 527 $ 1,765 $ 1,574
American Airlines, Inc. [Member] | Air traffic liability [Member]        
Disaggregation of Revenue [Line Items]        
Contract term     one year  
Recognition of revenue     $ 3,100