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Commitments and Contingencies (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2010 USD ($) | Dec. 31, 2016 USD ($) aircraft | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($)
Airport Project [Line Items] |  |  |  |
Number of aircrafts retired from service | aircraft |  | 42 |  |
Assets constructed for others |  | $ 1,220,000,000 | $ 915,000,000 |
Depreciation and amortization |  | 1,221,000,000 | $ 1,015,000,000 | $ 938,000,000
LAX |  |  |  |
Airport Project [Line Items] |  |  |  |
Expected total airport modernization project cost |  | 526,000,000 |  |
Assets constructed for others |  | 344,000,000 |  |
FLL |  |  |  |
Airport Project [Line Items] |  |  |  |
Expected total airport modernization project cost |  | 333,000,000 |  |
Assets constructed for others |  | 132,000,000 |  |
DAL |  |  |  |
Airport Project [Line Items] |  |  |  |
Municipal bonds issued | $ 456,000,000 |  |  |
Municipal Bonds Principal Remaining |  | 432,000,000 |  |
Assets constructed for others |  | 538,000,000 |  |
Airport construction obligation |  | 522,000,000 |  |
HOU |  |  |  |
Airport Project [Line Items] |  |  |  |
Expected total airport modernization project cost |  | 150,000,000 |  |
Proprietary Construction Reimbursement |  | 22,000,000 |  |
DALGarage [Member] |  |  |  |
Airport Project [Line Items] |  |  |  |
Assets constructed for others |  | $ 80,000,000 |  |
B-737-800 |  |  |  |
Airport Project [Line Items] |  |  |  |
Number of Aircrafts Purchased | aircraft |  | 38 |  |
B-737-700 |  |  |  |
Airport Project [Line Items] |  |  |  |
Number of Aircrafts Purchased | aircraft |  | 23 |  |
B737-300 |  |  |  |
Airport Project [Line Items] |  |  |  |
Number of aircrafts retired from service | aircraft |  | 31 |  |
B737-500 |  |  |  |
Airport Project [Line Items] |  |  |  |
Number of aircrafts retired from service | aircraft |  | 11 |  |

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