BASIS OF PRESENTATION (Details)	3 Months Ended
Jun. 30, 2012
Notes to Financial Statements [Abstract]
Prior Period Reclassification Adjustment, Description	In the unaudited Condensed Consolidated Statement of Comprehensive Income for the three and six months ended June 30, 2011, the Company has reclassified $16 million and $26 million, respectively, from Other revenues to Passenger revenues associated with its sale of frequent flyer benefits from its co-branded Chase® Visa credit card.

Description of any reclassifications of prior period amounts in order to conform to the current period's presentation.

No definition available.

Name:	us-gaap_PriorPeriodReclassificationAdjustmentDescription
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration