v3.26.3
Debt - Components of Debt (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Debt Instrument [Line Items]    
Total $ 29,321 $ 28,594
Less: Total unamortized debt discount, premium and issuance costs 346 314
Less: Current maturities 3,580 3,641
Long-term debt, net of current maturities 25,395 24,639
Unsecured Debt    
Debt Instrument [Line Items]    
Total 3,746 4,375
American Airlines, Inc.    
Debt Instrument [Line Items]    
Total 25,575 24,848
Less: Total unamortized debt discount, premium and issuance costs 344 313
Less: Current maturities 3,580 3,641
Long-term debt, net of current maturities 21,651 20,894
Senior short-term term loan facility | Unsecured Debt    
Debt Instrument [Line Items]    
Short-term debt 0 629
Senior short-term term loan facility | American Airlines, Inc. | Unsecured Debt    
Debt Instrument [Line Items]    
Short-term debt 0 629
Secured Debt    
Debt Instrument [Line Items]    
Long-term debt 25,575 24,219
Secured Debt | American Airlines, Inc.    
Debt Instrument [Line Items]    
Long-term debt 25,575 24,219
Secured Debt | 2013 Revolving Facility    
Debt Instrument [Line Items]    
Long-term debt $ 960 970
Variable interest rate 5.94%  
Secured Debt | 2013 Revolving Facility | American Airlines, Inc.    
Debt Instrument [Line Items]    
Long-term debt $ 960 970
Variable interest rate 5.94%  
Secured Debt | 2014 Revolving Facility    
Debt Instrument [Line Items]    
Long-term debt $ 1,850 1,159
Variable interest rate 6.76%  
Secured Debt | 2014 Revolving Facility | American Airlines, Inc.    
Debt Instrument [Line Items]    
Long-term debt $ 1,850 1,159
Variable interest rate 6.76%  
Secured Debt | 2023 Revolving Facility    
Debt Instrument [Line Items]    
Long-term debt $ 1,078 1,078
Variable interest rate 6.09%  
Secured Debt | 2023 Revolving Facility | American Airlines, Inc.    
Debt Instrument [Line Items]    
Long-term debt $ 1,078 1,078
Variable interest rate 6.09%  
Secured Debt | 7.25% Senior Notes    
Debt Instrument [Line Items]    
Long-term debt $ 750 750
Fixed interest rate per annum 7.25%  
Secured Debt | 7.25% Senior Notes | American Airlines, Inc.    
Debt Instrument [Line Items]    
Long-term debt $ 750 750
Fixed interest rate per annum 7.25%  
Secured Debt | 8.50% Senior Notes    
Debt Instrument [Line Items]    
Long-term debt $ 0 $ 1,000
Fixed interest rate per annum   8.50%
Secured Debt | 8.50% Senior Notes | American Airlines, Inc.    
Debt Instrument [Line Items]    
Long-term debt $ 0 $ 1,000
Fixed interest rate per annum 8.50% 8.50%
Secured Debt | 5.50% Senior Notes    
Debt Instrument [Line Items]    
Long-term debt $ 0 $ 583
Fixed interest rate per annum   5.50%
Secured Debt | 5.50% Senior Notes | American Airlines, Inc.    
Debt Instrument [Line Items]    
Long-term debt 0 $ 583
Fixed interest rate per annum   5.50%
Secured Debt | 5.75% Senior Notes    
Debt Instrument [Line Items]    
Long-term debt $ 2,750 $ 3,000
Fixed interest rate per annum 5.75%  
Secured Debt | 5.75% Senior Notes | American Airlines, Inc.    
Debt Instrument [Line Items]    
Long-term debt $ 2,750 3,000
Fixed interest rate per annum 5.75%  
Secured Debt | 2021 AAdvantage Term Loan Facility    
Debt Instrument [Line Items]    
Long-term debt $ 2,247 2,264
Variable interest rate 5.98%  
Secured Debt | 2021 AAdvantage Term Loan Facility | American Airlines, Inc.    
Debt Instrument [Line Items]    
Long-term debt $ 2,247 2,264
Variable interest rate 5.98%  
Secured Debt | 2025 AAdvantage Term Loan Facility    
Debt Instrument [Line Items]    
Long-term debt $ 988 995
Variable interest rate 6.48%  
Secured Debt | 2025 AAdvantage Term Loan Facility | American Airlines, Inc.    
Debt Instrument [Line Items]    
Long-term debt $ 988 995
Variable interest rate 6.48%  
Secured Debt | Enhanced Equipment Trust Certificates (EETC)    
Debt Instrument [Line Items]    
Long-term debt $ 9,332 6,912
Average interest rate 4.54%  
Secured Debt | Enhanced Equipment Trust Certificates (EETC) | American Airlines, Inc.    
Debt Instrument [Line Items]    
Long-term debt $ 9,332 6,912
Average interest rate 4.54%  
Secured Debt | Enhanced Equipment Trust Certificates (EETC) | Minimum    
Debt Instrument [Line Items]    
Fixed interest rate per annum 2.88%  
Secured Debt | Enhanced Equipment Trust Certificates (EETC) | Minimum | American Airlines, Inc.    
Debt Instrument [Line Items]    
Fixed interest rate per annum 2.88%  
Secured Debt | Enhanced Equipment Trust Certificates (EETC) | Maximum    
Debt Instrument [Line Items]    
Fixed interest rate per annum 7.15%  
Secured Debt | Enhanced Equipment Trust Certificates (EETC) | Maximum | American Airlines, Inc.    
Debt Instrument [Line Items]    
Fixed interest rate per annum 7.15%  
Secured Debt | Equipment Loans and Other Notes Payable    
Debt Instrument [Line Items]    
Long-term debt $ 4,926 4,719
Average interest rate 5.65%  
Secured Debt | Equipment Loans and Other Notes Payable | American Airlines, Inc.    
Debt Instrument [Line Items]    
Long-term debt $ 4,926 4,719
Average interest rate 5.65%  
Secured Debt | Equipment Loans and Other Notes Payable | Minimum    
Debt Instrument [Line Items]    
Fixed interest rate per annum 2.55%  
Secured Debt | Equipment Loans and Other Notes Payable | Minimum | American Airlines, Inc.    
Debt Instrument [Line Items]    
Fixed interest rate per annum 2.55%  
Secured Debt | Equipment Loans and Other Notes Payable | Maximum    
Debt Instrument [Line Items]    
Fixed interest rate per annum 6.76%  
Secured Debt | Equipment Loans and Other Notes Payable | Maximum | American Airlines, Inc.    
Debt Instrument [Line Items]    
Fixed interest rate per annum 6.76%  
Secured Debt | Special Facility Revenue Bonds    
Debt Instrument [Line Items]    
Long-term debt $ 694 789
Secured Debt | Special Facility Revenue Bonds | American Airlines, Inc.    
Debt Instrument [Line Items]    
Long-term debt $ 694 789
Secured Debt | Special Facility Revenue Bonds | Minimum    
Debt Instrument [Line Items]    
Fixed interest rate per annum 3.00%  
Secured Debt | Special Facility Revenue Bonds | Minimum | American Airlines, Inc.    
Debt Instrument [Line Items]    
Fixed interest rate per annum 3.00%  
Secured Debt | Special Facility Revenue Bonds | Maximum    
Debt Instrument [Line Items]    
Fixed interest rate per annum 5.38%  
Secured Debt | Special Facility Revenue Bonds | Maximum | American Airlines, Inc.    
Debt Instrument [Line Items]    
Fixed interest rate per annum 5.38%  
Unsecured Debt | Payroll Support Program Promissory Note One, CARES Act    
Debt Instrument [Line Items]    
Long-term debt $ 1,757 1,757
Variable interest rate 6.09%  
Unsecured Debt | Payroll Support Program Promissory Note Two, CARES Act    
Debt Instrument [Line Items]    
Long-term debt $ 1,030 1,030
Variable interest rate 6.09%  
Unsecured Debt | Payroll Support Program Promissory Note Three, CARES Act    
Debt Instrument [Line Items]    
Long-term debt $ 959 $ 959
Variable interest rate 6.09%