Transactions with Related Parties (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Related Party Transaction [Line Items]
AAG’s wholly-owned subsidiaries	$ (2,123)	$ (2,149)
American Airlines, Inc.
Related Party Transaction [Line Items]
AAG’s wholly-owned subsidiaries	(2,018)	(2,071)
Total	6,939	6,588
American Airlines, Inc. \| Total
Related Party Transaction [Line Items]
Total	6,939	6,588
American Airlines, Inc. \| AAG
Related Party Transaction [Line Items]
AAG	9,043	8,692
American Airlines, Inc. \| AAG's wholly-owned subsidiaries
Related Party Transaction [Line Items]
AAG’s wholly-owned subsidiaries	$ (2,104)	$ (2,104)

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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