v3.26.1
Debt - Components of Debt (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Debt Instrument [Line Items]    
Total $ 28,565 $ 28,594
Less: Total unamortized debt discount, premium and issuance costs 332 314
Less: Current maturities 2,979 3,641
Long-term debt, net of current maturities 25,254 24,639
Unsecured Debt    
Debt Instrument [Line Items]    
Total 3,746 4,375
American Airlines, Inc.    
Debt Instrument [Line Items]    
Total 24,819 24,848
Less: Total unamortized debt discount, premium and issuance costs 330 313
Less: Current maturities 2,979 3,641
Long-term debt, net of current maturities 21,510 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 24,819 24,219
Secured Debt | American Airlines, Inc.    
Debt Instrument [Line Items]    
Long-term debt 24,819 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 6.67%  
Secured Debt | 2014 Revolving Facility | American Airlines, Inc.    
Debt Instrument [Line Items]    
Long-term debt $ 1,850 1,159
Variable interest rate 6.67%  
Secured Debt | 2023 Revolving Facility    
Debt Instrument [Line Items]    
Long-term debt $ 1,078 1,078
Variable interest rate 5.91%  
Secured Debt | 2023 Revolving Facility | American Airlines, Inc.    
Debt Instrument [Line Items]    
Long-term debt $ 1,078 1,078
Variable interest rate 5.91%  
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 $ 3,000 $ 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 $ 3,000 3,000
Fixed interest rate per annum 5.75%  
Secured Debt | 2021 AAdvantage Term Loan Facility    
Debt Instrument [Line Items]    
Long-term debt $ 2,252 2,264
Variable interest rate 5.93%  
Secured Debt | 2021 AAdvantage Term Loan Facility | American Airlines, Inc.    
Debt Instrument [Line Items]    
Long-term debt $ 2,252 2,264
Variable interest rate 5.93%  
Secured Debt | 2025 AAdvantage Term Loan Facility    
Debt Instrument [Line Items]    
Long-term debt $ 990 995
Variable interest rate 6.43%  
Secured Debt | 2025 AAdvantage Term Loan Facility | American Airlines, Inc.    
Debt Instrument [Line Items]    
Long-term debt $ 990 995
Variable interest rate 6.43%  
Secured Debt | Enhanced Equipment Trust Certificates (EETC)    
Debt Instrument [Line Items]    
Long-term debt $ 8,627 6,912
Average interest rate 4.41%  
Secured Debt | Enhanced Equipment Trust Certificates (EETC) | American Airlines, Inc.    
Debt Instrument [Line Items]    
Long-term debt $ 8,627 6,912
Average interest rate 4.41%  
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 $ 4,523 4,719
Average interest rate 5.43%  
Secured Debt | Equipment Loans and Other Notes Payable | American Airlines, Inc.    
Debt Instrument [Line Items]    
Long-term debt $ 4,523 4,719
Average interest rate 5.43%  
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 6.37%  
Secured Debt | Equipment Loans and Other Notes Payable | Maximum | American Airlines, Inc.    
Debt Instrument [Line Items]    
Fixed interest rate per annum 6.37%  
Secured Debt | Special Facility Revenue Bonds    
Debt Instrument [Line Items]    
Long-term debt $ 789 789
Secured Debt | Special Facility Revenue Bonds | American Airlines, Inc.    
Debt Instrument [Line Items]    
Long-term debt $ 789 789
Secured Debt | Special Facility Revenue Bonds | Minimum    
Debt Instrument [Line Items]    
Fixed interest rate per annum 2.25%  
Secured Debt | Special Facility Revenue Bonds | Minimum | American Airlines, Inc.    
Debt Instrument [Line Items]    
Fixed interest rate per annum 2.25%  
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 5.68%  
Unsecured Debt | Payroll Support Program Promissory Note Two, CARES Act    
Debt Instrument [Line Items]    
Long-term debt $ 1,030 1,030
Variable interest rate 5.68%  
Unsecured Debt | Payroll Support Program Promissory Note Three, CARES Act    
Debt Instrument [Line Items]    
Long-term debt $ 959 $ 959
Variable interest rate 5.68%