XML 40 R22.htm IDEA: XBRL DOCUMENT
v3.7.0.1

COMMITMENTS (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2017
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Future Minimum Rental Payments for Operating Leases and Unrecorded Unconditional Purchase Obligtaions | Future minimum payments for commitments as of June 30, 2017 (in millions):
| Aircraft Leases |  | Facility Leases |  | Aircraft Purchase Commitments |  | Capacity Purchase Agreements (a) |  | Aircraft Maintenance Deposits |  | Aircraft Maintenance and Parts Management
Remainder of 2017 | $ | 152 |  |  | $ | 60 |  |  | $ | 463 |  |  | $ | 38 |  |  | $ | 29 |  |  | $ | 15 |
2018 | 318 |  |  | 73 |  |  | 836 |  |  | 80 |  |  | 61 |  |  | 32 |
2019 | 306 |  |  | 64 |  |  | 758 |  |  | 85 |  |  | 65 |  |  | 35 |
2020 | 280 |  |  | 58 |  |  | 338 |  |  | 90 |  |  | 68 |  |  | 37 |
2021 | 243 |  |  | 51 |  |  | 260 |  |  | 94 |  |  | 63 |  |  | 40 |
Thereafter | 954 |  |  | 178 |  |  | 362 |  |  | 676 |  |  | 90 |  |  | — |
Total | $ | 2,253 |  |  | $ | 484 |  |  | $ | 3,017 |  |  | $ | 1,063 |  |  | $ | 376 |  |  | $ | 159 |
(a) | Includes all non-aircraft lease costs associated with capacity purchase agreements.

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