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Operating Leases (Tables) | 6 Months Ended
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Jun. 30, 2024
Leases [Abstract] |
Schedule of Lease Costs | The table below presents certain information related to lease costs for operating leases during the three and six months ended June 30, 2024 and 2023 (in millions):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2024 |  | 2023 |  | 2024 |  | 2023
Operating lease cost(a) | $ | 155 |  |  | $ | 131 |  |  | $ | 302 |  |  | $ | 258 |
Variable lease cost(a) | 94 |  |  | 70 |  |  | 173 |  |  | 144 |
Total lease costs | $ | 249 |  |  | $ | 201 |  |  | $ | 475 |  |  | $ | 402 |
_________________ (a) Expenses are included within aircraft rent, station operations, maintenance, materials and repairs and other operating within the Company’s condensed consolidated statements of operations.

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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + Details
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- References No definition available. + Details
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