Debt - Components of Long-Term Debt (Detail) - USD ($) $ in Millions | Jun. 30, 2017 | Dec. 31, 2016 |
Debt Instrument [Line Items] | | |
Total long-term debt and capital lease obligations | $ 25,098 | $ 24,573 |
Less: Total unamortized debt discount, premium and issuance costs | 239 | 229 |
Less: Current maturities | 2,334 | 1,855 |
Long-term debt and capital lease obligations, net of current maturities | 22,525 | 22,489 |
American Airlines, Inc. [Member] | | |
Debt Instrument [Line Items] | | |
Less: Total unamortized debt discount, premium and issuance costs | 229 | 216 |
Less: Current maturities | 1,837 | 1,859 |
Long-term debt and capital lease obligations, net of current maturities | 21,252 | 20,718 |
Secured Debt [Member] | | |
Debt Instrument [Line Items] | | |
Total long-term debt and capital lease obligations | 23,348 | 22,823 |
Secured Debt [Member] | 2013 Credit Facilities [Member] | | |
Debt Instrument [Line Items] | | |
Total long-term debt and capital lease obligations | $ 1,825 | 1,843 |
Interest rate | 3.22% | |
Secured Debt [Member] | 2014 Credit Facilities [Member] | | |
Debt Instrument [Line Items] | | |
Total long-term debt and capital lease obligations | $ 735 | 735 |
Interest rate | 3.12% | |
Secured Debt [Member] | April 2016 Credit Facilities [Member] | | |
Debt Instrument [Line Items] | | |
Total long-term debt and capital lease obligations | $ 990 | 1,000 |
Interest rate | 3.72% | |
Secured Debt [Member] | December 2016 Credit Facilities [Member] | | |
Debt Instrument [Line Items] | | |
Total long-term debt and capital lease obligations | $ 1,250 | 1,250 |
Interest rate | 3.66% | |
Secured Debt [Member] | Enhanced Equipment Trust Certificates (EETC) [Member] | | |
Debt Instrument [Line Items] | | |
Total long-term debt and capital lease obligations | $ 11,328 | 10,912 |
Secured Debt [Member] | Enhanced Equipment Trust Certificates (EETC) [Member] | Minimum [Member] | | |
Debt Instrument [Line Items] | | |
Interest rate | 3.00% | |
Secured Debt [Member] | Enhanced Equipment Trust Certificates (EETC) [Member] | Maximum [Member] | | |
Debt Instrument [Line Items] | | |
Interest rate | 9.75% | |
Secured Debt [Member] | Equipment Loans and Other Notes Payable [Member] | | |
Debt Instrument [Line Items] | | |
Total long-term debt and capital lease obligations | $ 5,525 | 5,343 |
Secured Debt [Member] | Equipment Loans and Other Notes Payable [Member] | Minimum [Member] | | |
Debt Instrument [Line Items] | | |
Interest rate | 2.34% | |
Secured Debt [Member] | Equipment Loans and Other Notes Payable [Member] | Maximum [Member] | | |
Debt Instrument [Line Items] | | |
Interest rate | 8.80% | |
Secured Debt [Member] | Special Facility Revenue Bonds [Member] | | |
Debt Instrument [Line Items] | | |
Total long-term debt and capital lease obligations | $ 891 | 891 |
Secured Debt [Member] | Special Facility Revenue Bonds [Member] | Minimum [Member] | | |
Debt Instrument [Line Items] | | |
Interest rate | 5.00% | |
Secured Debt [Member] | Special Facility Revenue Bonds [Member] | Maximum [Member] | | |
Debt Instrument [Line Items] | | |
Interest rate | 8.00% | |
Secured Debt [Member] | Other Secured Obligations [Member] | | |
Debt Instrument [Line Items] | | |
Total long-term debt and capital lease obligations | $ 804 | 849 |
Secured Debt [Member] | Other Secured Obligations [Member] | Minimum [Member] | | |
Debt Instrument [Line Items] | | |
Interest rate | 3.60% | |
Secured Debt [Member] | Other Secured Obligations [Member] | Maximum [Member] | | |
Debt Instrument [Line Items] | | |
Interest rate | 12.24% | |
Secured Debt [Member] | American Airlines, Inc. [Member] | | |
Debt Instrument [Line Items] | | |
Total long-term debt and capital lease obligations | $ 23,318 | 22,793 |
Secured Debt [Member] | American Airlines, Inc. [Member] | 2013 Credit Facilities [Member] | | |
Debt Instrument [Line Items] | | |
Total long-term debt and capital lease obligations | $ 1,825 | 1,843 |
Interest rate | 3.22% | |
Secured Debt [Member] | American Airlines, Inc. [Member] | 2014 Credit Facilities [Member] | | |
Debt Instrument [Line Items] | | |
Total long-term debt and capital lease obligations | $ 735 | 735 |
Interest rate | 3.12% | |
Secured Debt [Member] | American Airlines, Inc. [Member] | April 2016 Credit Facilities [Member] | | |
Debt Instrument [Line Items] | | |
Total long-term debt and capital lease obligations | $ 990 | 1,000 |
Interest rate | 3.72% | |
Secured Debt [Member] | American Airlines, Inc. [Member] | December 2016 Credit Facilities [Member] | | |
Debt Instrument [Line Items] | | |
Total long-term debt and capital lease obligations | $ 1,250 | 1,250 |
Interest rate | 3.66% | |
Secured Debt [Member] | American Airlines, Inc. [Member] | Enhanced Equipment Trust Certificates (EETC) [Member] | | |
Debt Instrument [Line Items] | | |
Total long-term debt and capital lease obligations | $ 11,328 | 10,912 |
Secured Debt [Member] | American Airlines, Inc. [Member] | Enhanced Equipment Trust Certificates (EETC) [Member] | Minimum [Member] | | |
Debt Instrument [Line Items] | | |
Interest rate | 3.00% | |
Secured Debt [Member] | American Airlines, Inc. [Member] | Enhanced Equipment Trust Certificates (EETC) [Member] | Maximum [Member] | | |
Debt Instrument [Line Items] | | |
Interest rate | 9.75% | |
Secured Debt [Member] | American Airlines, Inc. [Member] | Equipment Loans and Other Notes Payable [Member] | | |
Debt Instrument [Line Items] | | |
Total long-term debt and capital lease obligations | $ 5,525 | 5,343 |
Secured Debt [Member] | American Airlines, Inc. [Member] | Equipment Loans and Other Notes Payable [Member] | Minimum [Member] | | |
Debt Instrument [Line Items] | | |
Interest rate | 2.34% | |
Secured Debt [Member] | American Airlines, Inc. [Member] | Equipment Loans and Other Notes Payable [Member] | Maximum [Member] | | |
Debt Instrument [Line Items] | | |
Interest rate | 8.80% | |
Secured Debt [Member] | American Airlines, Inc. [Member] | Special Facility Revenue Bonds [Member] | | |
Debt Instrument [Line Items] | | |
Total long-term debt and capital lease obligations | $ 862 | 862 |
Secured Debt [Member] | American Airlines, Inc. [Member] | Special Facility Revenue Bonds [Member] | Minimum [Member] | | |
Debt Instrument [Line Items] | | |
Interest rate | 5.00% | |
Secured Debt [Member] | American Airlines, Inc. [Member] | Special Facility Revenue Bonds [Member] | Maximum [Member] | | |
Debt Instrument [Line Items] | | |
Interest rate | 5.50% | |
Secured Debt [Member] | American Airlines, Inc. [Member] | Other Secured Obligations [Member] | | |
Debt Instrument [Line Items] | | |
Total long-term debt and capital lease obligations | $ 803 | 848 |
Secured Debt [Member] | American Airlines, Inc. [Member] | Other Secured Obligations [Member] | Minimum [Member] | | |
Debt Instrument [Line Items] | | |
Interest rate | 3.60% | |
Secured Debt [Member] | American Airlines, Inc. [Member] | Other Secured Obligations [Member] | Maximum [Member] | | |
Debt Instrument [Line Items] | | |
Interest rate | 12.24% | |
Unsecured Debt [Member] | | |
Debt Instrument [Line Items] | | |
Total long-term debt and capital lease obligations | $ 1,750 | 1,750 |
Unsecured Debt [Member] | 5.50% Senior Notes [Member] | | |
Debt Instrument [Line Items] | | |
Total long-term debt and capital lease obligations | $ 750 | 750 |
Interest rate | 5.50% | |
Unsecured Debt [Member] | 6.125% Senior Notes [Member] | | |
Debt Instrument [Line Items] | | |
Total long-term debt and capital lease obligations | $ 500 | 500 |
Interest rate | 6.125% | |
Unsecured Debt [Member] | 4.625% Senior Notes [Member] | | |
Debt Instrument [Line Items] | | |
Total long-term debt and capital lease obligations | $ 500 | $ 500 |
Interest rate | 4.625% | |