| Label: | Prospective Adoption of New Accounting Pronouncements, by New Pronouncement [Hierarchy] |
| Name: | ProspectiveAdoptionOfNewAccountingPronouncements |
| Parent Topic: | NewAccountingPronouncements |
| Documentation: | Disclosure of the comparison between specific income statement line item amounts reported under previous guidance and new guidance. |
| Commentary: | |
| Level: | Detail |
| Information model: | [Hierarchy] |
| Completion state: | WIP |
| Status: | |
| US GAAP XBRL Taxonomy Text Block: | us-gaap:ScheduleOfProspectiveAdoptionOfNewAccountingPronouncementsTableTextBlock |
| US GAAP XBRL Taxonomy Network: | http://fasb.org/us-gaap/role/disclosure/AccountingChangesAndErrorCorrections |
| Example Disclosure |
| Click entity name to view example [Text Block] or Detailed Disclosure | ALASKA AIR GROUP, INC. TextBlock | |
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