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MILEAGE PLAN MILEAGE PLAN (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015 | Dec. 31, 2015
Mileage Plan [Line Items] |  |  |  |  |
Other accrued liabilities | $ 757 |  | $ 757 |  | $ 661
Deferred revenue | 480 |  | 480 |  | 431
Other liabilities | 366 |  | 366 |  | 362
Passenger revenues | 1,263 | $ 1,231 | 2,396 | $ 2,318 |
Other - net revenues | 204 | 176 | 394 | 335 |
Liabilities From Mileage Plan [Member] |  |  |  |  |
Mileage Plan [Line Items] |  |  |  |  |
Other accrued liabilities | 391 |  | 391 |  | 368
Deferred revenue | 477 |  | 477 |  | 427
Other liabilities | 19 |  | 19 |  | 19
Total | 887 |  | 887 |  | $ 814
Revenue From Mileage Plan [Member] |  |  |  |  |
Mileage Plan [Line Items] |  |  |  |  |
Passenger revenues | 73 | 69 | 143 | 134 |
Other - net revenues | 108 | 82 | 211 | 159 |
Total Mileage Plan Revenues | $ 181 | $ 151 | $ 354 | $ 293 |

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- Definition Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 13.A.3) -URI http://asc.fasb.org/extlink&oid=65893310&loc=d3e214044-122780 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 13.A.4(a).Q1) -URI http://asc.fasb.org/extlink&oid=65893310&loc=d3e214044-122780 + Details
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- Definition A transportation (plane, train, ship) carrier's fare revenue recognized in the period from carrying passengers between destinations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(d)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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