Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

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-Publisher FASB

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

+ References

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-Publisher FASB

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- Definition

The estimated net amount of unrealized gains or losses on price risk cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Topic 815

-SubTopic 30

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-Paragraph 1

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DERIVATIVE INSTRUMENTS - INCOME STATEMENT (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Derivative Instruments Not Designated as Hedges [Member] \| Fuel hedge contracts [Member] \| Gains (losses) recognized in aircraft fuel expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (losses) recognized in income	$ (10)	$ (11)	$ (14)	$ (17)
Cash Flow Hedging [Member] \| Derivative Instruments Designated as Hedges [Member] \| Interest rate swaps agreements [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) recognized in other comprehensive income (OCI)	(5)	0	(8)	(5)
Cash Flow Hedging [Member] \| Derivative Instruments Designated as Hedges [Member] \| Interest rate swaps agreements [Member] \| Gains (losses) recognized in aircraft rent [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (losses) recognized in income	(2)	$ (2)	(5)	$ (5)
Gains (losses) in AOCL [Member] \| Derivative Instruments Designated as Hedges [Member] \| Interest rate swaps agreements [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Gain (Loss) in Accumulated Other Comprehensive Loss To Be Reclassified Within Next Twelve Months	$ (6)		$ (6)