ACQUISITION OF HAWAIIAN HOLDINGS, INC. - Fair Values Of Assets Acquired And The Liabilities Assumed (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024	Sep. 18, 2024
Total assets
Goodwill	$ 2,724	$ 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			781
Other noncurrent assets			97
Total assets			5,101
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			90
Deferred revenue - noncurrent			308
Obligations for pension and post-retirement medical benefits			153
Other liabilities			68
Total liabilities			4,124
Total purchase price			$ 977