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Regional Expenses (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Regional Expenses [Line Items] |  |  |  |
Depreciation and amortization | $ 474 | $ 483 | $ 944 | $ 969
Aircraft rent | 314 | 344 | 642 | 688
Regional expenses | 1,268 | 1,153 | 2,469 | 2,295
American Airlines, Inc. |  |  |  |
Regional Expenses [Line Items] |  |  |  |
Depreciation and amortization | 472 | 481 | 939 | 965
Aircraft rent | 314 | 344 | 642 | 688
Regional expenses | $ 1,260 | 1,150 | $ 2,457 | 2,293
Republic Airways Holdings, Inc. |  |  |  |
Regional Expenses [Line Items] |  |  |  |
Ownership percentage | 25.00% |  | 25.00% |
Republic Airways Holdings, Inc. | American Airlines, Inc. |  |  |  |
Regional Expenses [Line Items] |  |  |  |
Ownership percentage | 25.00% |  | 25.00% |
Regional operating special items, net |  |  |  |
Regional Expenses [Line Items] |  |  |  |
Depreciation and amortization | $ 79 | 80 | $ 158 | 160
Aircraft rent | 2 | 1 | 4 | 3
Regional operating special items, net | American Airlines, Inc. |  |  |  |
Regional Expenses [Line Items] |  |  |  |
Depreciation and amortization | 69 | 67 | 138 | 135
Aircraft rent | 2 | 1 | 4 | 3
Regional operating special items, net | Republic Airways Holdings Inc. |  |  |  |
Regional Expenses [Line Items] |  |  |  |
Regional expenses | 150 | 168 | 299 | 336
Regional operating special items, net | Republic Airways Holdings Inc. | American Airlines, Inc. |  |  |  |
Regional Expenses [Line Items] |  |  |  |
Regional expenses | $ 150 | $ 168 | $ 299 | $ 336

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- Definition The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
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