{"cik":766421,"taxonomy":"us-gaap","tag":"AmortizationOfIntangibleAssets","label":"Amortization of Intangible Assets","description":"The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.","entityName":"ALASKA AIR GROUP, INC.","units":{"USD":[{"start":"2022-01-01","end":"2022-12-31","val":5000000,"accn":"0000766421-25-000009","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-14","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":5000000,"accn":"0000766421-25-000009","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":5000000,"accn":"0000766421-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-12","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":16000000,"accn":"0000766421-25-000009","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-14"},{"start":"2024-01-01","end":"2024-12-31","val":16000000,"accn":"0000766421-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-12","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":58000000,"accn":"0000766421-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-12","frame":"CY2025"}]}}