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Supplemental Financial Information (Tables) | 6 Months Ended
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Jun. 30, 2015
Table Text Block [Abstract] |
Other Assets |
Other assets (in millions) | June 30, 2015 |  | December 31, 2014
Derivative contracts | $ | 1 |  |  | $ | 13 |
Intangible assets (a) | 474 |  |  | 363 |
Non-current investments | 40 |  |  | 35 |
Other | 134 |  |  | 123 |
Other assets | $ | 649 |  |  | $ | 534 |
(a) Intangible assets primarily consist of acquired leasehold rights to certain airport owned gates at Chicago’s Midway International Airport, takeoff and landing slots (a “slot” is the right of an air carrier, pursuant to regulations of the Federal Aviation Administration (“FAA”), to operate a takeoff or landing at a specific time at certain airports) at certain domestic slot-controlled airports, and certain intangible assets recognized from the AirTran acquisition. The increase in Intangible assets during 2015 was primarily due to the acquisition of two additional airport gate rights at Dallas Love Field, which were subleased from United Airlines. The purchase price paid for these airport gate rights was included as a component of Capital expenditures in the accompanying unaudited Condensed Consolidated Statement of Cash Flows.
Schedule of Accounts Payable |
Accounts payable (in millions) | June 30, 2015 |  | December 31, 2014
Accounts payable trade | $ | 170 |  |  | $ | 123 |
Salaries payable | 168 |  |  | 160 |
Excise and other tax withholdings payable | 234 |  |  | 163 |
Aircraft maintenance payable | 163 |  |  | 314 |
Fuel payable | 68 |  |  | 85 |
Other payables | 331 |  |  | 358 |
Accounts payable | $ | 1,134 |  |  | $ | 1,203 |
Accrued Liabilities |
Accrued liabilities (in millions) | June 30, 2015 |  | December 31, 2014
Profitsharing and savings plans | $ | 319 |  |  | $ | 374 |
Aircraft and other lease related obligations | 93 |  |  | 159 |
Vacation pay | 302 |  |  | 292 |
Health | 71 |  |  | 84 |
Derivative contracts | 317 |  |  | 174 |
Workers compensation | 170 |  |  | 165 |
Property and income taxes | 121 |  |  | 81 |
Other | 258 |  |  | 236 |
Accrued liabilities | $ | 1,651 |  |  | $ | 1,565 |
Other Noncurrent Liabilities |
Other noncurrent liabilities (in millions) | June 30, 2015 |  | December 31, 2014
Postretirement obligation | $ | 176 |  |  | $ | 169 |
Non-current lease-related obligations | 174 |  |  | 193 |
Other deferred compensation | 172 |  |  | 174 |
Deferred gains from sale and leaseback of aircraft | 48 |  |  | 53 |
Derivative contracts | 105 |  |  | 622 |
Other | 33 |  |  | 44 |
Other noncurrent liabilities | $ | 708 |  |  | $ | 1,255 |

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