Taxonomy Viewer

Name	DeferredAirTrafficRevenue
Namespace	http://fasb.org/us-gaap/2020-01-31
Prefix	us-gaap
Data type	xbrli:monetaryItemType
Period type	instant
Substitution Group	xbrli:item
Balance	credit
Nillable	True
Abstract	False

Text	Lang	Role	Container role
Deferred Air Traffic Revenue, Current	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link
Value of revenue deferred or cost to provide future services associated with points or miles outstanding and awards that expect to be redeemed through customer loyalty programs and the value of transportation services sold but as yet used by the passenger. Used to reflect the current portion of the liability (within one year or within the normal operating cycle if longer).	en-US	http://www.xbrl.org/2003/role/documentation	http://www.xbrl.org/2003/role/link

Name	Value	Role
Note	Element is intended to be used in periods before adoption of amendments from Accounting Standards Update 2014-09. Upon effective date of amendments from Accounting Standards Update 2014-09, element will be transitional and intended to be used by entity that has not adopted amendments from Accounting Standards Update 2014-09.	http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote
PublishDate	2018-01	http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote
Source	ASU	http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote
SourceName	Revenue	http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote
Source_ASU_Number	2014-09	http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote
TaxonomyVersion	2018	http://fasb.org/srt/role/changeNote/changeNote
ChangeDate	2017-12	http://fasb.org/srt/role/changeNote/changeNote
ModifiedLabels	true	http://fasb.org/srt/role/changeNote/changeNote
Publisher	FASB	http://fasb.org/us-gaap/role/ref/otherTransitionRef
Name	Accounting Standards Codification	http://fasb.org/us-gaap/role/ref/otherTransitionRef
Topic	210	http://fasb.org/us-gaap/role/ref/otherTransitionRef
SubTopic	10	http://fasb.org/us-gaap/role/ref/otherTransitionRef
Section	S99	http://fasb.org/us-gaap/role/ref/otherTransitionRef
Paragraph	1	http://fasb.org/us-gaap/role/ref/otherTransitionRef
Subparagraph	(SX 210.5-02.20)	http://fasb.org/us-gaap/role/ref/otherTransitionRef
URI	http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682	http://fasb.org/us-gaap/role/ref/otherTransitionRef

	Name	Relation Type	Role
	ASU 2014-09 Transition [Abstract] `us-gaap:Asu201409TransitionAbstract`	parent-child	http://fasb.org/us-gaap/role/disclosure/DeferredRevenue