XML 31 R19.htm IDEA: XBRL DOCUMENT
v3.21.1

COVID-19 PANDEMIC (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2021
Risks and Uncertainties [Abstract] |
Schedule of Funds Received Under CARES Payroll Support Programs | Total funds contracted from the Treasury under the three Payroll Support Programs are allocated as follows (in millions):
| Grants |  | Loans |  | Warrants |  | Total Proceeds
PSP 1 | $ | 757 |  |  | $ | 293 |  |  | $ | 9 |  |  | $ | 1,059 |
PSP 2 | 457 |  |  | 159 |  |  | 9 |  |  | 625 |
PSP 3(a) | 431 |  |  | 147 |  |  | 6 |  |  | 584 |
Total | $ | 1,645 |  |  | $ | 599 |  |  | $ | 24 |  |  | $ | 2,268 |
(a) - The Company has reached an agreement for total proceeds to be received under PSP 3, however, the allocation of those proceeds are subject to change based on the final Black-Scholes valuation at the funding date.
Restructuring and Related Costs | The table below presents a roll forward of the outstanding voluntary leave liability (in millions):
|  | Three Months Ended March 31, 2021
Total voluntary leave liability balance at January 1 |  | $ | 127 |
Cash payments |  | (47) |
Charges and adjustments |  | 11 |
Total voluntary leave liability balance at March 31 |  | $ | 91 |

X
- Definition Schedule of Funds Received Under CARES Payroll Support Programs + References No definition available. + Details
Name: | alk_ScheduleOfFundsReceivedUnderCARESPayrollSupportProgramsTableTextBlock
Namespace Prefix: | alk_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
Name: | us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration