Subsequent Events	3 Months Ended
Subsequent Events	Mar. 31, 2018
Subsequent Event [Line Items]
Subsequent Events	Subsequent Events Aircraft Purchase Commitments In April 2018, American agreed with The Boeing Company (Boeing) to acquire an additional 47 Boeing 787 aircraft, consisting of 22 787-8 aircraft and 25 787-9 aircraft with deliveries scheduled to commence in 2020 and continue through 2026. American also has options to acquire an additional 14 Boeing 787 family aircraft in 2026 and 2027 plus, subject to satisfying certain conditions, options to acquire 14 more Boeing 787 family aircraft in 2027 and 2028. Boeing has committed to provide sale-leaseback financing (in the form of operating leases) for the 22 787-8 aircraft and backstop debt financing for the 25 787-9 aircraft. Additionally, American agreed with Boeing to defer the delivery of 40 737 MAX aircraft currently scheduled for delivery in 2020, 2021 and 2022. These aircraft are now scheduled to be delivered in 2025 and 2026. Also, in April 2018, American and Airbus S.A.S. (Airbus) agreed to terminate the parties' A350 XWB purchase agreement and cancel the parties' obligations thereunder. American was scheduled to acquire 22 Airbus A350 aircraft with deliveries commencing in 2020 and continuing through 2024. Share Repurchase Program and Dividend Declaration In April 2018, we announced that our Board of Directors authorized a new $2.0 billion share repurchase program that expires on December 31, 2020. Share repurchases under our share repurchase programs may be made through a variety of methods, which may include open market purchases, privately negotiated transactions, block trades or accelerated share repurchase transactions. Any such repurchases will be made from time to time subject to market and economic conditions, applicable legal requirements and other relevant factors. Our share repurchase programs do not obligate us to repurchase any specific number of shares and may be suspended at any time at our discretion. Also, in April 2018, we announced that our Board of Directors declared a $0.10 per share dividend for stockholders of record as of May 8, 2018, and payable on May 22, 2018. Any future dividends that may be declared and paid from time to time will be subject to market and economic conditions, applicable legal requirements and other relevant factors. We are not obligated to continue a dividend for any fixed period, and the payment of dividends may be suspended at any time at our discretion.
American Airlines, Inc. [Member]
Subsequent Event [Line Items]
Subsequent Events	Subsequent Event Aircraft Purchase Commitments In April 2018, American agreed with The Boeing Company (Boeing) to acquire an additional 47 Boeing 787 aircraft, consisting of 22 787-8 aircraft and 25 787-9 aircraft with deliveries scheduled to commence in 2020 and continue through 2026. American also has options to acquire an additional 14 Boeing 787 family aircraft in 2026 and 2027 plus, subject to satisfying certain conditions, options to acquire 14 more Boeing 787 family aircraft in 2027 and 2028. Boeing has committed to provide sale-leaseback financing (in the form of operating leases) for the 22 787-8 aircraft and backstop debt financing for the 25 787-9 aircraft. Additionally, American agreed with Boeing to defer the delivery of 40 737 MAX aircraft currently scheduled for delivery in 2020, 2021 and 2022. These aircraft are now scheduled to be delivered in 2025 and 2026. Also, in April 2018, American and Airbus S.A.S. (Airbus) agreed to terminate the parties' A350 XWB purchase agreement and cancel the parties' obligations thereunder. American was scheduled to acquire 22 Airbus A350 aircraft with deliveries commencing in 2020 and continuing through 2024.