Commitments, Contingencies and Guarantees - Long-term Purchase Commitments (Detail) - USD ($) $ in Millions |
Dec. 31, 2017 |
Dec. 31, 2016 |
---|---|---|
Long-term Purchase Commitment [Line Items] | ||
Equipment purchase deposits | $ 1,217 | $ 1,209 |
Aircraft and Engine Purchase Commitments [Member] | ||
Long-term Purchase Commitment [Line Items] | ||
2018 | 1,826 | |
2019 | 2,730 | |
2020 | 2,730 | |
2021 | 2,858 | |
2022 | 2,138 | |
2023 and Thereafter | 1,482 | |
Total | 13,764 | |
American Airlines, Inc. [Member] | ||
Long-term Purchase Commitment [Line Items] | ||
Equipment purchase deposits | 1,217 | $ 1,209 |
American Airlines, Inc. [Member] | Aircraft and Engine Purchase Commitments [Member] | ||
Long-term Purchase Commitment [Line Items] | ||
2018 | 1,826 | |
2019 | 2,730 | |
2020 | 2,730 | |
2021 | 2,858 | |
2022 | 2,138 | |
2023 and Thereafter | 1,482 | |
Total | $ 13,764 |