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SUPPLEMENTAL FINANCIAL INFORMATION | 3 Months Ended
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Mar. 31, 2015
Disclosure Text Block [Abstract] |
SUPPLEMENTAL FINANCIAL INFORMATION | SUPPLEMENTAL FINANCIAL INFORMATION
Other assets (in millions) | March 31, 2015 |  | December 31, 2014
Derivative contracts | $ | 4 |  |  | $ | 13 |
Intangible assets (a) | 479 |  |  | 363 |
Non-current investments | 31 |  |  | 35 |
Other | 109 |  |  | 123 |
Other assets | $ | 623 |  |  | $ | 534 |
(a) Intangible assets primarily consist of acquired leasehold rights to certain airport owned gates at Chicago’s Midway International Airport, take-off 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. 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.
Accounts payable (in millions) | March 31, 2015 |  | December 31, 2014
Accounts payable trade | $ | 181 |  |  | $ | 123 |
Salaries payable | 161 |  |  | 160 |
Tax withholdings payable | 229 |  |  | 163 |
Aircraft maintenance payable | 170 |  |  | 314 |
Fuel payable | 59 |  |  | 85 |
Other payables | 345 |  |  | 358 |
Accounts payable | $ | 1,145 |  |  | $ | 1,203 |
Accrued liabilities (in millions) | March 31, 2015 |  | December 31, 2014
Profitsharing and savings plans | $ | 491 |  |  | $ | 374 |
Aircraft and other lease related obligations | 100 |  |  | 159 |
Vacation pay | 297 |  |  | 292 |
Health | 72 |  |  | 84 |
Derivative contracts | 356 |  |  | 174 |
Workers compensation | 166 |  |  | 165 |
Property and income taxes | 200 |  |  | 81 |
Other | 192 |  |  | 236 |
Accrued liabilities | $ | 1,874 |  |  | $ | 1,565 |
Other noncurrent liabilities (in millions) | March 31, 2015 |  | December 31, 2014
Postretirement obligation | $ | 172 |  |  | $ | 169 |
Non-current lease-related obligations | 183 |  |  | 193 |
Other deferred compensation | 164 |  |  | 174 |
Deferred gains from sale and leaseback of aircraft | 51 |  |  | 53 |
Derivative contracts | 488 |  |  | 622 |
Other | 37 |  |  | 44 |
Other noncurrent liabilities | $ | 1,095 |  |  | $ | 1,255 |
For further details on fuel derivative and interest rate derivative contracts, see Note 3. Other Operating Expenses Other operating expenses consist of distribution costs, advertising expenses, personnel expenses, professional fees, and other operating costs, none of which individually exceed 10 percent of Operating expenses.

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- Definition The entire disclosures of supplemental information, including descriptions and amounts, related to the balance sheet, income statement, and/or cash flow statement. + References No definition available. + Details
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