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Commitments and Contingencies (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Jun. 30, 2016 | Dec. 31, 2010 | Dec. 31, 2015
Airport Project [Line Items] |  |  |
Assets constructed for others | $ 1,067 |  | $ 915
Construction obligation | 903 |  | $ 757
Fort Lauderdale-Hollywood International Airport |  |  |
Airport Project [Line Items] |  |  |
Total Expected Cost Of Airport Project | 295 |  |
Assets constructed for others | 60 |  |
HOU |  |  |
Airport Project [Line Items] |  |  |
Total Expected Cost Of Airport Project | 150 |  |
Los Angeles World Airport |  |  |
Airport Project [Line Items] |  |  |
Total Expected Cost Of Airport Project | 526 |  |
Assets constructed for others | 282 |  |
Construction obligation | 282 |  |
DAL |  |  |
Airport Project [Line Items] |  |  |
Assets constructed for others | 538 |  |
Municipal bonds issued |  | $ 456 |
Municipal bonds principal remaining | 439 |  |
Construction obligation | 522 |  |
DAL Garage |  |  |
Airport Project [Line Items] |  |  |
Assets constructed for others | 39 |  |
Construction obligation | $ 39 |  |

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- Definition [Line Items] for Airport Project [Table] + References No definition available. + Details
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- Definition The aggregate costs related to airport construction projects recorded as an asset. + References No definition available. + Details
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- Definition Long-term debt securities issued by state, city or local governments or the agencies operated by state, city or local governments. + References No definition available. + Details
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- Definition The total expected cost of the airport modernization project for the city. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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