XML 38 R23.htm IDEA: XBRL DOCUMENT
v3.5.0.2

COMMITMENTS (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2016
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Future Minimum Rental Payments for Operating Leases and Unrecorded Unconditional Purchase Obligtaions | Future minimum fixed payments for commitments (in millions):
June 30, 2016 | Aircraft Leases |  | Facility Leases |  | Aircraft Purchase Commitments |  | Capacity Purchase Agreements (a)
Remainder of 2016 | $ | 39 |  |  | $ | 47 |  |  | $ | 305 |  |  | $ | 34 |
2017 | 99 |  |  | 90 |  |  | 931 |  |  | 78 |
2018 | 90 |  |  | 42 |  |  | 725 |  |  | 81 |
2019 | 82 |  |  | 41 |  |  | 648 |  |  | 86 |
2020 | 73 |  |  | 40 |  |  | 337 |  |  | 92 |
Thereafter | 400 |  |  | 142 |  |  | 400 |  |  | 745 |
Total | $ | 783 |  |  | $ | 402 |  |  | $ | 3,346 |  |  | $ | 1,116 |

X
- Definition Schedule of Future Minimum Rental Payments for Operating Leases and Unrecorded Unconditional Purchase Obligtaions [Table Text Block] + References No definition available. + Details
Name: | alk_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesAndUnrecordedUnconditionalPurchaseObligationsTableTextBlock
Namespace Prefix: | alk_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration