| Document and Entity Information Document | Sep. 21, 2021 |
| Entity Information [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Sep. 21, 2021 |
| Entity Registrant Name | AMERICAN AIRLINES GROUP INC. |
| Entity Central Index Key | 0000006201 |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 1-8400 |
| 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 | 682 |
| Local Phone Number | 278-9000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $0.01 par value per share |
| Trading Symbol | AAL |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| American Airlines, Inc. | |
| Entity Information [Line Items] | |
| Amendment Flag | false |
| Entity Registrant Name | AMERICAN AIRLINES, INC. |
| Entity Central Index Key | 0000004515 |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 1-2691 |
| 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 | 682 |
| Local Phone Number | 278-9000 |
