ACQUISITION OF HAWAIIAN HOLDINGS, INC. - Fair Values Of Assets Acquired And The Liabilities Assumed (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024	Sep. 18, 2024
Total assets
Goodwill	$ 2,723	$ 2,724
Hawaiian Holdings, Inc.
Total assets
Cash and cash equivalents	286
Restricted cash	27
Marketable securities	674
Receivables	110
Inventories and supplies	75
Prepaid expenses and other	77
Property and equipment	1,947
Operating lease assets	228
Intangible assets	799
Goodwill	780
Other noncurrent assets	97
Total assets	5,100
Total liabilities
Accounts payable	57
Air traffic liability	513
Other accrued liabilities	331
Deferred revenue - current	229
Current portion of operating lease liabilities	65
Current portion of long-term debt and finance leases	144
Long-term debt, net of current portion	1,932
Long-term operating lease liabilities, net of current portion	234
Deferred income taxes	89
Deferred revenue - noncurrent	308
Obligations for pension and post-retirement medical benefits	153
Other liabilities	68
Total liabilities	4,123
Total purchase price	$ 977		$ 977