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Long-Term Debt (Components Of Long-Term Debt) (Details) (USD $)
In Millions, unless otherwise specified
9 Months Ended9 Months Ended9 Months Ended12 Months Ended9 Months Ended9 Months Ended9 Months Ended12 Months Ended9 Months Ended12 Months Ended
Oct. 04, 2011
Sep. 30, 2011
Dec. 31, 2010
Sep. 30, 2011
Secured Variable And Fixed Rate Indebtedness Due Through 2021 [Member]
Dec. 31, 2010
Secured Variable And Fixed Rate Indebtedness Due Through 2021 [Member]
Sep. 30, 2011
Enhanced Equipment Trust Certificates Due Through 2021 [Member]
Dec. 31, 2010
Enhanced Equipment Trust Certificates Due Through 2021 [Member]
Sep. 30, 2011
6.00% - 8.50% Special Facility Revenue Bonds Due Through 2036 [Member]
Dec. 31, 2010
6.00% - 8.50% Special Facility Revenue Bonds Due Through 2036 [Member]
Sep. 30, 2011
7.50% Senior Secured Notes Due 2016 [Member]
Dec. 31, 2010
7.50% Senior Secured Notes Due 2016 [Member]
Sep. 30, 2011
AAdvantage Miles Advance Purchase [Member]
Dec. 31, 2010
AAdvantage Miles Advance Purchase [Member]
Sep. 30, 2011
6.25% Senior Convertible Notes Due 2014 [Member]
Dec. 31, 2010
6.25% Senior Convertible Notes Due 2014 [Member]
Sep. 30, 2011
9.0% - 10.20% Debentures Due Through 2021 [Member]
Dec. 31, 2010
9.0% - 10.20% Debentures Due Through 2021 [Member]
Sep. 30, 2011
7.88% - 10.55% Notes Due Through 2039 [Member]
Dec. 31, 2010
7.88% - 10.55% Notes Due Through 2039 [Member]
Long-term debt $ 10,926$ 10,532$ 4,577$ 5,114$ 1,985$ 2,002$ 1,627$ 1,641$ 1,000 $ 890$ 890$ 460$ 460$ 214$ 214$ 173$ 211
Less current maturities 1,3741,776                
Long-term debt, less current maturities 9,5528,756                
Effective interest rate percentage - minimum   1.00%    6.00%          
Effective interest rate percentage - maximum   13.00%    8.50%          
Effective interest rate percentage           8.30%8.30%      
Debt instrument interest percentage - minimum     5.10% 6.00%       9.00%9.00%7.88%7.88%
Debt instrument interest percentage - maximum     12.00% 8.50%       10.20%10.20%10.55%10.55%
Debt instrument interest percentage8.625%        7.50%7.50%  6.25%6.25%    
Debt instrument maturity years   2023 2021 2036 2016   2014 2021 2039 
Debt instrument discount, net           $ 110$ 110