v3.19.3
Document and Entity Information - shares
9 Months Ended
Sep. 30, 2019
Oct. 18, 2019
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2019  
Document Transition Report false  
Entity File Number 1-8400  
Entity Registrant Name American Airlines Group Inc.  
Entity Central Index Key 0000006201  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q3  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 75-1825172  
Entity Address, Address Line One 1 Skyview Drive,  
Entity Address, City or Town Fort Worth,  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 76155  
City Area Code (817)  
Local Phone Number 963-1234  
Title of 12(b) Security Common Stock, $0.01 par value per share  
Trading Symbol AAL  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   438,057,971
Former Address [Member]    
Document Information [Line Items]    
Entity Address, Address Line One 4333 Amon Carter Blvd.,  
Entity Address, City or Town Fort Worth,  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 76155  
American Airlines, Inc. [Member]    
Document Information [Line Items]    
Entity File Number 1-2691  
Entity Registrant Name American Airlines, Inc.  
Entity Central Index Key 0000004515  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 13-1502798  
Entity Address, Address Line One 1 Skyview Drive,  
Entity Address, City or Town Fort Worth,  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 76155  
City Area Code (817)  
Local Phone Number 963-1234  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   1,000
American Airlines, Inc. [Member] | Former Address [Member]    
Document Information [Line Items]    
Entity Address, Address Line One 4333 Amon Carter Blvd.,  
Entity Address, City or Town Fort Worth,  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 76155