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Indebtedness (Components Of Long-Term Debt) (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended 12 Months Ended 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2011
Secured Variable And Fixed Rate Indebtedness Due Through 2023 [Member]
Dec. 31, 2011
Enhanced Equipment Trust Certificates Due Through 2021 [Member]
Dec. 31, 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]
Dec. 31, 2011
7.50% Senior Secured Notes Due 2016 [Member]
Dec. 31, 2011
AAdvantage Miles Advance Purchase [Member]
Dec. 31, 2010
AAdvantage Miles Advance Purchase [Member]
Dec. 31, 2009
AAdvantage Miles Advance Purchase [Member]
Dec. 31, 2011
6.25% Senior Convertible Notes Due 2014 [Member]
Dec. 31, 2010
6.25% Senior Convertible Notes Due 2014 [Member]
Dec. 31, 2011
9.00% - 10.20% Debentures Due Through 2021 [Member]
Dec. 31, 2010
9.00% - 10.20% Debentures Due Through 2021 [Member]
Dec. 31, 2011
7.88% - 10.55% Notes Due Through 2039 [Member]
Dec. 31, 2010
7.88% - 10.55% Notes Due Through 2039 [Member]
Dec. 31, 2011
Debt Not Subject To Compromise [Member]
Dec. 31, 2010
Debt Not Subject To Compromise [Member]
Dec. 31, 2011
Debt Not Subject To Compromise [Member]
Secured Variable And Fixed Rate Indebtedness Due Through 2023 [Member]
Dec. 31, 2010
Debt Not Subject To Compromise [Member]
Secured Variable And Fixed Rate Indebtedness Due Through 2023 [Member]
Dec. 31, 2011
Debt Not Subject To Compromise [Member]
Enhanced Equipment Trust Certificates Due Through 2021 [Member]
Dec. 31, 2010
Debt Not Subject To Compromise [Member]
Enhanced Equipment Trust Certificates Due Through 2021 [Member]
Dec. 31, 2011
Debt Not Subject To Compromise [Member]
6.00% - 8.50% Special Facility Revenue Bonds Due Through 2036 [Member]
Dec. 31, 2010
Debt Not Subject To Compromise [Member]
6.00% - 8.50% Special Facility Revenue Bonds Due Through 2036 [Member]
Dec. 31, 2011
Debt Not Subject To Compromise [Member]
7.50% Senior Secured Notes Due 2016 [Member]
Dec. 31, 2011
Debt Not Subject To Compromise [Member]
AAdvantage Miles Advance Purchase [Member]
Dec. 31, 2010
Debt Not Subject To Compromise [Member]
AAdvantage Miles Advance Purchase [Member]
Dec. 31, 2010
Debt Not Subject To Compromise [Member]
6.25% Senior Convertible Notes Due 2014 [Member]
Dec. 31, 2010
Debt Not Subject To Compromise [Member]
9.00% - 10.20% Debentures Due Through 2021 [Member]
Dec. 31, 2010
Debt Not Subject To Compromise [Member]
7.88% - 10.55% Notes Due Through 2039 [Member]
Debt Instrument [Line Items]                                                            
Long-term debt $ 2,482   $ 1,456   $ 186     $ 890     $ 460   $ 214   $ 166   $ 8,220 $ 10,532 $ 2,952 $ 5,114 $ 1,942 $ 2,002 $ 1,436 $ 1,641 $ 1,000 $ 890 $ 890 $ 460 $ 214 $ 211
Less current maturities 1,518 1,776                             1,518 1,776                        
Long-term debt, less current maturities 6,702 8,756                             6,702 8,756                        
Effective interest rate percentage - minimum     1.00%   6.00% 6.00%                                                
Effective interest rate percentage - maximum     13.00%   8.50% 8.50%                                                
Effective interest rate percentage             7.50% 8.30% 8.30%                                          
Percentage of debt instrument interest rate - minimum       5.10%                 9.00% 9.00% 7.88% 7.88%                            
Percentage of debt instrument interest rate - maximum       10.375%                 10.20% 10.20% 10.55% 10.55%                            
Percentage of debt instrument, interest rate             7.50%       6.25% 6.25%                                    
Debt instrument maturity year     2023 2021 2036   2016       2014   2021   2039                              
Debt instrument discount, net               $ 110 $ 110 $ 110